diff --git a/lib/obp60task/PageAIS.cpp b/lib/obp60task/PageAIS.cpp
index 1c33553..df090ef 100644
--- a/lib/obp60task/PageAIS.cpp
+++ b/lib/obp60task/PageAIS.cpp
@@ -19,10 +19,6 @@
 class PageAIS : public Page
 {
 private:
-    bool simulation = false;
-    bool holdvalues = false;
-    String flashLED;
-    String backlightMode;
 
     int scale = 5; // Radius of display circle in nautical miles
 
@@ -36,7 +32,7 @@ private:
 
         // TBD Boatvalues: ...
 
-        LOG_DEBUG(GwLog::DEBUG,"Drawing at PageAIS");
+        logger->logDebug(GwLog::DEBUG,"Drawing at PageAIS");
 
         Point c = {200, 150}; // center = current boat position
         uint16_t r = 125;
@@ -84,17 +80,9 @@ private:
 public:
     PageAIS(CommonData &common) : Page(common)
     {
-        logger->logDebug(GwLog::LOG,"Instantiate PageAIS");
-
-        // preload configuration data
-        simulation = config->getBool(config->useSimuData);
-        holdvalues = config->getBool(config->holdvalues);
-        flashLED = config->getString(config->flashLED);
-        backlightMode = config->getString(config->backlight);
-
+        logger->logDebug(GwLog::LOG, "Instantiate PageAIS");
         alarm_range = 3;
-
-     }
+    }
 
     void setupKeys(){
         Page::setupKeys();
@@ -143,7 +131,7 @@ public:
     int displayPage(PageData &pageData){
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageAIS; Mode=%c", mode);
+        logger->logDebug(GwLog::LOG, "Drawing at PageAIS; Mode=%c", mode);
 
         // Set display in partial refresh mode
         epd->setPartialWindow(0, 0, epd->width(), epd->height());
diff --git a/lib/obp60task/PageAnchor.cpp b/lib/obp60task/PageAnchor.cpp
index c610691..2625706 100644
--- a/lib/obp60task/PageAnchor.cpp
+++ b/lib/obp60task/PageAnchor.cpp
@@ -51,10 +51,6 @@ static unsigned char anchor_bits[] = {
 class PageAnchor : public Page
 {
 private:
-    bool simulation = false;
-    bool holdvalues = false;
-    String flashLED;
-    String backlightMode;
     String lengthformat;
 
     int scale = 50; // Radius of display circle in meter
@@ -98,7 +94,7 @@ private:
         String sval_hdop = formatValue(bv_hdop, *commonData).svalue;
         String sunit_hdop = formatValue(bv_hdop, *commonData).unit; 
 
-        LOG_DEBUG(GwLog::DEBUG,"Drawing at PageAnchor; DBS=%f, HDT=%f, AWS=%f", bv_dbs->value, bv_hdt->value, bv_aws->value);
+        logger->logDebug(GwLog::DEBUG, "Drawing at PageAnchor; DBS=%f, HDT=%f, AWS=%f", bv_dbs->value, bv_hdt->value, bv_aws->value);
 
         Point c = {200, 150}; // center = anchor position
         uint16_t r = 125;
@@ -194,7 +190,7 @@ private:
             // alarm range in meter has to be smaller than the scale in meter
             // r and r_range are pixel values
             uint16_t r_range = int(alarm_range * r / scale);
-            LOG_DEBUG(GwLog::LOG,"Drawing at PageAnchor; Alarm range = %d", r_range);
+            logger->logDebug(GwLog::LOG, "Drawing at PageAnchor; Alarm range = %d", r_range);
             epd->drawCircle(c.x, c.y, r_range, commonData->fgcolor);
         }
  
@@ -220,7 +216,7 @@ private:
         for (int i = 0 ; i < menu->getItemCount(); i++) {
             ConfigMenuItem *itm = menu->getItemByIndex(i);
             if (!itm) {
-                LOG_DEBUG(GwLog::ERROR, "Menu item not found: %d", i);
+                logger->logDebug(GwLog::ERROR, "Menu item not found: %d", i);
             } else {
                 Rect r = menu->getItemRect(i);
                 bool inverted = (i == menu->getActiveIndex());
@@ -244,13 +240,9 @@ private:
 public:
     PageAnchor(CommonData &common) : Page(common)
     {
-        logger->logDebug(GwLog::LOG,"Instantiate PageAnchor");
+        logger->logDebug(GwLog::LOG, "Instantiate PageAnchor");
 
         // preload configuration data
-        simulation = config->getBool(config->useSimuData);
-        holdvalues = config->getBool(config->holdvalues);
-        flashLED = config->getString(config->flashLED);
-        backlightMode = config->getString(config->backlight);
         lengthformat = config->getString(config->lengthFormat);
         chain_length = config->getInt(config->chainLength);
 
@@ -266,7 +258,7 @@ public:
         newitem = menu->addItem("chain", "Chain out", "int", 0, "m");
         if (! newitem) {
             // Demo: in case of failure exit here, should never be happen
-            logger->logDebug(GwLog::ERROR,"Menu item creation failed");
+            logger->logDebug(GwLog::ERROR, "Menu item creation failed");
             return;
         }
         newitem->setRange(0, 200, {1, 5, 10});
@@ -392,7 +384,7 @@ public:
     int displayPage(PageData &pageData){
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageAnchor; Mode=%c", mode);
+        logger->logDebug(GwLog::LOG, "Drawing at PageAnchor; Mode=%c", mode);
 
         // Set display in partial refresh mode
         epd->setPartialWindow(0, 0, epd->width(), epd->height()); // Set partial update
diff --git a/lib/obp60task/PageAutopilot.cpp b/lib/obp60task/PageAutopilot.cpp
index a6c9369..7b5ebdc 100644
--- a/lib/obp60task/PageAutopilot.cpp
+++ b/lib/obp60task/PageAutopilot.cpp
@@ -12,18 +12,13 @@
 class PageAutopilot : public Page
 {
 private:
-    bool simulation = false;
-    bool holdvalues = false;
-    String flashLED;
-    String backlightMode;
-
     char mode = 'N'; // (N)ormal, (C)onfig
 
     void displayModeNormal(PageData &pageData) {
 
         // TBD Boatvalues: ...
 
-        LOG_DEBUG(GwLog::DEBUG,"Drawing at PageAutopilot");
+        logger->logDebug(GwLog::DEBUG, "Drawing at PageAutopilot");
 
         // Title and corner value headings
         epd->setTextColor(commonData->fgcolor);
@@ -49,22 +44,15 @@ public:
     PageAutopilot(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageAutopilot");
+    }
 
-        // preload configuration data
-        simulation = config->getBool(config->useSimuData);
-        holdvalues = config->getBool(config->holdvalues);
-        flashLED = config->getString(config->flashLED);
-        backlightMode = config->getString(config->backlight);
-
-     }
-
-    void setupKeys(){
+    void setupKeys() {
         Page::setupKeys();
         commonData->keydata[0].label = "MODE";
     }
 
 #ifdef BOARD_OBP60S3
-    int handleKey(int key){
+    int handleKey(int key) {
         if (key == 1) { // Switch between normal and config mode
             if (mode == 'N') {
                 mode = 'C';
@@ -106,7 +94,7 @@ public:
     int displayPage(PageData &pageData){
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageAutopilot; Mode=%c", mode);
+        logger->logDebug(GwLog::LOG, "Drawing at PageAutopilot; Mode=%c", mode);
 
         // Set display in partial refresh mode
         epd->setPartialWindow(0, 0, epd->width(), epd->height());
diff --git a/lib/obp60task/PageBME280.cpp b/lib/obp60task/PageBME280.cpp
index 3275a8f..8a825f6 100644
--- a/lib/obp60task/PageBME280.cpp
+++ b/lib/obp60task/PageBME280.cpp
@@ -6,13 +6,21 @@
 
 class PageBME280 : public Page
 {
+private:
+    String tempformat;
+    String useenvsensor;
+
 public:
     PageBME280(CommonData &common) : Page(common)
     {
-        logger->logDebug(GwLog::LOG,"Instantiate PageBME280");
+        logger->logDebug(GwLog::LOG, "Instantiate PageBME280");
+
+        // Get config data
+        tempformat = config->getString(config->tempFormat);
+        useenvsensor = config->getString(config->useEnvSensor);
     }
 
-    virtual int handleKey(int key){
+    int handleKey(int key){
         // Code for keylock
         if(key == 11){
             commonData->keylock = !commonData->keylock;
@@ -29,13 +37,6 @@ public:
         String svalue1 = "";
         String svalue2 = "";
         String svalue3 = "";
-
-        // Get config data
-        String tempformat = config->getString(config->tempFormat);
-        bool simulation = config->getBool(config->useSimuData);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-        String useenvsensor = config->getString(config->useEnvSensor);
         
         // Get sensor values #1
         String name1 = "Temp";                          // Value name
@@ -98,7 +99,7 @@ public:
         }
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageBME280, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3);
+        logger->logDebug(GwLog::LOG, "Drawing at PageBME280, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageBattery.cpp b/lib/obp60task/PageBattery.cpp
index 8706785..a79bccb 100644
--- a/lib/obp60task/PageBattery.cpp
+++ b/lib/obp60task/PageBattery.cpp
@@ -6,20 +6,25 @@
 
 class PageBattery : public Page
 {
+private:
+    String powsensor1;
     int average = 0; // Average type [0...3], 0=off, 1=10s, 2=60s, 3=300s
 
-    public:
+public:
     PageBattery(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageBattery");
+
+        // Get config data
+        String powsensor1 = config->getString(config->usePowSensor1);
     }
 
-    virtual void setupKeys(){
+    void setupKeys(){
         Page::setupKeys();
         commonData->keydata[0].label = "AVG";
     }
 
-    virtual int handleKey(int key){
+    int handleKey(int key){
         // Change average
         if(key == 1){
             average ++;
@@ -47,15 +52,7 @@ class PageBattery : public Page
         double value3 = 0;
         static String svalue3old = "";
         static String unit3old = "";
-
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        // bool simulation = config->getBool(config->useSimuData);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-        String powsensor1 = config->getString(config->usePowSensor1);
-        bool simulation = config->getBool(config->useSimuData);
-        
+       
         // Get voltage value
         String name1 = "VBat";                       // Value name
         if(String(powsensor1) == "INA219" || String(powsensor1) == "INA226"){
@@ -151,7 +148,7 @@ class PageBattery : public Page
         }
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageBattery, %s: %f, %s: %f, %s: %f, Avg: %d", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, average);
+        logger->logDebug(GwLog::LOG, "Drawing at PageBattery, %s: %f, %s: %f, %s: %f, Avg: %d", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, average);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageBattery2.cpp b/lib/obp60task/PageBattery2.cpp
index 3e55ff5..e238d4f 100644
--- a/lib/obp60task/PageBattery2.cpp
+++ b/lib/obp60task/PageBattery2.cpp
@@ -7,15 +7,26 @@
 
 class PageBattery2 : public Page
 {
-bool init = false;                  // Marker for init done
-int average = 0;                    // Average type [0...3], 0=off, 1=10s, 2=60s, 3=300s
-bool trend = true;                  // Trend indicator [0|1], 0=off, 1=on
-double raw = 0;
+private:
+    String batVoltage;
+    int batCapacity;
+    String batType;
+    String powerSensor;
+    bool init = false;  // Marker for init done
+    int average = 0;    // Average type [0...3], 0=off, 1=10s, 2=60s, 3=300s
+    bool trend = true;  // Trend indicator [0|1], 0=off, 1=on
+    double raw = 0;
 
 public:
     PageBattery2(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageBattery2");
+
+        // Get config data
+        batVoltage = config->getString(config->batteryVoltage);
+        batCapacity = config->getInt(config->batteryCapacity);
+        batType = config->getString(config->batteryType);
+        powerSensor = config->getString(config->usePowSensor1);
     }
 
     void setupKeys(){
@@ -54,16 +65,6 @@ public:
         int batPercentage = 0;      // Battery level
         float batRange = 0;         // Range in hours
         
-        // Get config data
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String batVoltage = config->getString(config->batteryVoltage);
-        int batCapacity = config->getInt(config->batteryCapacity);
-        String batType = config->getString(config->batteryType);
-        String backlightMode = config->getString(config->backlight);
-        String powerSensor = config->getString(config->usePowSensor1);
-
         double value1 = 0;  // Battery voltage
         double value2 = 0;  // Battery current
         double value3 = 0;  // Battery power consumption
@@ -175,7 +176,7 @@ public:
         }
         
         // Logging voltage value
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageBattery2, Type:%s %s:=%f", batType.c_str(), name1.c_str(), raw);
+        logger->logDebug(GwLog::LOG, "Drawing at PageBattery2, Type:%s %s:=%f", batType.c_str(), name1.c_str(), raw);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageClock.cpp b/lib/obp60task/PageClock.cpp
index 3af27f8..2e50468 100644
--- a/lib/obp60task/PageClock.cpp
+++ b/lib/obp60task/PageClock.cpp
@@ -18,7 +18,7 @@
 class PageClock : public Page
 {
 private:
-    bool simulation = false;
+    String dateformat;
     int simtime;
     bool keylock = false;
     char source = 'R';  // time source (R)TC | (G)PS | (N)TP
@@ -34,23 +34,24 @@ public:
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageClock");
 
-        // WIP time source
-#ifdef BOARD_OBP60S3
-        String use_rtc = config->getString(config->useRTC);
-        if (use_rtc == "off") {
-            source = 'G';
-        }
-#endif
-
-        simulation = config->getBool(config->useSimuData);
+        // Get config data
+        dateformat = config->getString(config->dateFormat);
         timezone = config->getString(config->timeZone).toDouble();
         homelat = config->getString(config->homeLAT).toDouble();
         homelon = config->getString(config->homeLON).toDouble();
         homevalid = homelat >= -180.0 and homelat <= 180 and homelon >= -90.0 and homelon <= 90.0;
         simtime = 38160; // time value 11:36
+
+#ifdef BOARD_OBP60S3
+        // WIP time source
+        String use_rtc = config->getString(config->useRTC);
+        if (use_rtc == "off") {
+            source = 'G';
+        }
+#endif
     }
 
-    virtual void setupKeys(){
+    void setupKeys(){
         Page::setupKeys();
         commonData->keydata[0].label = "SRC";
         commonData->keydata[1].label = "MODE";
@@ -58,7 +59,7 @@ public:
     }
 
     // Key functions
-    virtual int handleKey(int key){
+    int handleKey(int key){
         // Time source
         if (key == 1) {
             if (source == 'G') {
@@ -113,13 +114,6 @@ public:
         double value3 = 0; // HDOP
         bool gpsvalid = false;
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        String dateformat = config->getString(config->dateFormat);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-
         // Get boat values for GPS time
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = bvalue1->getName().c_str();      // Value name
@@ -175,7 +169,7 @@ public:
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageClock, %s:%f,  %s:%f, %s:%f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3);
+        logger->logDebug(GwLog::LOG, "Drawing at PageClock, %s:%f,  %s:%f, %s:%f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3);
 
         // Draw page
         //***********************************************************
@@ -392,7 +386,7 @@ public:
         if (hour > 12) {
             hour -= 12.0;
         }
-        LOG_DEBUG(GwLog::DEBUG,"... PageClock, value1: %f hour: %f minute:%f", value1, hour, minute);
+        logger->logDebug(GwLog::DEBUG, "... PageClock, value1: %f hour: %f minute:%f", value1, hour, minute);
 
         // Draw hour pointer
         float startwidth = 8;       // Start width of pointer
diff --git a/lib/obp60task/PageCompass.cpp b/lib/obp60task/PageCompass.cpp
index 8fd85b0..9063ff4 100644
--- a/lib/obp60task/PageCompass.cpp
+++ b/lib/obp60task/PageCompass.cpp
@@ -25,56 +25,48 @@ const float Compass_LineDelta = 8.0;// compass band: 1deg = 5 Pixels, 10deg = 50
 
 class PageCompass : public Page
 {
+private:
     int WhichDataCompass = ShowHDM; 
     int WhichDataDisplay = ShowHDM; 
 
-    public:
+public:
     PageCompass(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageCompass");
     }
 
-    virtual void setupKeys(){
+    void setupKeys(){
         Page::setupKeys();
         commonData->keydata[0].label = "CMP";
         commonData->keydata[1].label = "SRC";
-   }
+    }
     
-    virtual int handleKey(int key){
+    int handleKey(int key){
         // Code for keylock
-   
-        if ( key == 1 ) {
+        if (key == 1) {
             WhichDataCompass += 1;
             if ( WhichDataCompass > ShowCOG)
                  WhichDataCompass = ShowHDM;
            return 0;
-            }
-      if ( key == 2 ) {
+        }
+        if (key == 2) {
             WhichDataDisplay += 1;
-            if ( WhichDataDisplay > ShowDBS)
+            if (WhichDataDisplay > ShowDBS)
                  WhichDataDisplay = ShowHDM;
-             }
-
-        if(key == 11){
+        }
+        if (key == 11) {
             commonData->keylock = !commonData->keylock;
             return 0;                   // Commit the key
         }
         return key;
     }
 
-    int displayPage(PageData &pageData){
+    int displayPage(PageData &pageData) {
 
         // Old values for hold function
         static String OldDataText[HowManyValues] = {"", "", "","", "", ""};
         static String OldDataUnits[HowManyValues] = {"", "", "","", "", ""};
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        // bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-        
         GwApi::BoatValue *bvalue;
         String DataName[HowManyValues];
         double DataValue[HowManyValues];
@@ -94,7 +86,7 @@ class PageCompass : public Page
             DataValue[i] = TheFormattedData.value;  // Value as double in SI unit
             DataValid[i] = bvalue->valid;
             DataFormat[i] = bvalue->getFormat();    // Unit of value
-            LOG_DEBUG(GwLog::LOG,"Drawing at PageCompass: %d %s %f %s %s",  i,  DataName[i], DataValue[i], DataFormat[i], DataText[i] );
+            logger->logDebug(GwLog::LOG, "Drawing at PageCompass: %d %s %f %s %s",  i,  DataName[i], DataValue[i], DataFormat[i], DataText[i] );
         }
 
         // Optical warning by limit violation (unused)
diff --git a/lib/obp60task/PageDST810.cpp b/lib/obp60task/PageDST810.cpp
index 584a410..6ab025e 100644
--- a/lib/obp60task/PageDST810.cpp
+++ b/lib/obp60task/PageDST810.cpp
@@ -6,13 +6,19 @@
 
 class PageDST810 : public Page
 {
+private:
+    String lengthformat;
+
 public:
     PageDST810(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageDST810");
+
+        // Get config data
+        lengthformat = config->getString(config->lengthFormat);
     }
 
-    virtual int handleKey(int key){
+    int handleKey(int key) {
         // Code for keylock
         if(key == 11){
             commonData->keylock = !commonData->keylock;
@@ -21,7 +27,7 @@ public:
         return key;
     }
 
-    int displayPage(PageData &pageData){
+    int displayPage(PageData &pageData) {
 
         // Old values for hold function
         static String svalue1old = "";
@@ -33,13 +39,6 @@ public:
         static String svalue4old = "";
         static String unit4old = "";
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        // bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-        
         // Get boat values #1
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
@@ -84,7 +83,7 @@ public:
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageDST810, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
+        logger->logDebug(GwLog::LOG, "Drawing at PageDST810, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageEPropulsion.cpp b/lib/obp60task/PageEPropulsion.cpp
index 93d2c2c..c99f2ee 100644
--- a/lib/obp60task/PageEPropulsion.cpp
+++ b/lib/obp60task/PageEPropulsion.cpp
@@ -12,18 +12,13 @@
 class PageEPropulsion : public Page
 {
 private:
-    bool simulation = false;
-    bool holdvalues = false;
-    String flashLED;
-    String backlightMode;
-
     char mode = 'N'; // (N)ormal, (C)onfig
 
     void displayModeNormal(PageData &pageData) {
 
         // TBD Boatvalues: ...
 
-        LOG_DEBUG(GwLog::DEBUG,"Drawing at PageEPropulsion");
+        logger->logDebug(GwLog::DEBUG, "Drawing at PageEPropulsion");
 
         // Title and corner value headings
         epd->setTextColor(commonData->fgcolor);
@@ -49,14 +44,7 @@ public:
     PageEPropulsion(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG,"Instantiate PageEPropulsion");
-
-        // preload configuration data
-        simulation = config->getBool(config->useSimuData);
-        holdvalues = config->getBool(config->holdvalues);
-        flashLED = config->getString(config->flashLED);
-        backlightMode = config->getString(config->backlight);
-
-     }
+    }
 
     void setupKeys(){
         Page::setupKeys();
@@ -105,7 +93,7 @@ public:
     int displayPage(PageData &pageData){
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageEPropulsion; Mode=%c", mode);
+        logger->logDebug(GwLog::LOG,"Drawing at PageEPropulsion; Mode=%c", mode);
 
         // Set display in partial refresh mode
         epd->setPartialWindow(0, 0, epd->width(), epd->height());
diff --git a/lib/obp60task/PageFluid.cpp b/lib/obp60task/PageFluid.cpp
index d089091..11b16e4 100644
--- a/lib/obp60task/PageFluid.cpp
+++ b/lib/obp60task/PageFluid.cpp
@@ -67,25 +67,22 @@ static unsigned char fish_bits[] = {
 
 class PageFluid : public Page
 {
-    bool simulation = false;
+private:
     double simgoto;
     double simval;
     double simstep;
-    bool holdvalues = false;
     int fluidtype;
 
-    public:
+public:
     PageFluid(CommonData &common) : Page(common)
     {
-        logger->logDebug(GwLog::LOG,"Instantiate PageFluid");
-        simulation = config->getBool(config->useSimuData);
-        holdvalues = config->getBool(config->holdvalues);
+        logger->logDebug(GwLog::LOG, "Instantiate PageFluid");
         simval = double(random(0, 100));
         simgoto = double(random(0, 100));
         simstep = (simgoto - simval) / 20.0;
     }
 
-    virtual int handleKey(int key){
+    int handleKey(int key) {
         // Code for keylock
         if(key == 11){
             commonData->keylock = !commonData->keylock;
@@ -94,12 +91,12 @@ class PageFluid : public Page
         return key;
     }
 
-    virtual void displayNew(PageData &pageData){
+    void displayNew(PageData &pageData) {
         fluidtype = config->getInt("page" + String(pageData.pageNumber) + "fluid", 0);
         logger->logDebug(GwLog::LOG, "New PageFluid: fluidtype=%d", fluidtype);
     }
 
-    int displayPage(PageData &pageData){
+    int displayPage(PageData &pageData) {
 
         // Old values for hold function
         static double value1old;
@@ -131,7 +128,7 @@ class PageFluid : public Page
         }
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageFluid: value=%f", bvalue1->value);
+        logger->logDebug(GwLog::LOG, "Drawing at PageFluid: value=%f", bvalue1->value);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageFourValues.cpp b/lib/obp60task/PageFourValues.cpp
index 8b7e023..e5c64fe 100644
--- a/lib/obp60task/PageFourValues.cpp
+++ b/lib/obp60task/PageFourValues.cpp
@@ -7,10 +7,15 @@
 
 class PageFourValues : public Page
 {
+private:
+    String lengthformat;
 public:
     PageFourValues(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageFourValues");
+
+        // Get config data
+        lengthformat = config->getString(config->lengthFormat);
     }
 
     int handleKey(int key){
@@ -33,14 +38,7 @@ public:
         static String unit3old = "";
         static String svalue4old = "";
         static String unit4old = "";
-
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        // bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-        
+       
         // Get boat values #1
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
@@ -89,7 +87,7 @@ public:
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageFourValues, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
+        logger->logDebug(GwLog::LOG, "Drawing at PageFourValues, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageFourValues2.cpp b/lib/obp60task/PageFourValues2.cpp
index 887c2c6..a583c2e 100644
--- a/lib/obp60task/PageFourValues2.cpp
+++ b/lib/obp60task/PageFourValues2.cpp
@@ -7,13 +7,18 @@
 
 class PageFourValues2 : public Page
 {
+private:
+    String lengthformat;
 public:
     PageFourValues2(CommonData &common) : Page(common)
     {
-        logger->logDebug(GwLog::LOG,"Instantiate PageFourValues2");
+        logger->logDebug(GwLog::LOG, "Instantiate PageFourValues2");
+
+        // Get config data
+        lengthformat = config->getString(config->lengthFormat);
     }
 
-    virtual int handleKey(int key){
+    int handleKey(int key) {
         // Code for keylock
         if(key == 11){
             commonData->keylock = !commonData->keylock;         // Toggle keylock
@@ -22,7 +27,7 @@ public:
         return key;
     }
 
-    int displayPage(PageData &pageData){
+    int displayPage(PageData &pageData) {
 
         // Old values for hold function
         static String svalue1old = "";
@@ -33,14 +38,7 @@ public:
         static String unit3old = "";
         static String svalue4old = "";
         static String unit4old = "";
-
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        // bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-        
+       
         // Get boat values #1
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
@@ -89,7 +87,7 @@ public:
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageFourValues2, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
+        logger->logDebug(GwLog::LOG, "Drawing at PageFourValues2, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageGenerator.cpp b/lib/obp60task/PageGenerator.cpp
index 0c1a45d..4569690 100644
--- a/lib/obp60task/PageGenerator.cpp
+++ b/lib/obp60task/PageGenerator.cpp
@@ -7,10 +7,20 @@
 
 class PageGenerator : public Page
 {
+private:
+    String batVoltage;
+    int genPower;
+    String powerSensor;
+
 public:
     PageGenerator(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageGenerator");
+
+        // Get config data
+        batVoltage = config->getString(config->batteryVoltage);
+        genPower = config->getInt(config->genPower);
+        powerSensor = config->getString(config->usePowSensor3);
     }
 
     int handleKey(int key){
@@ -24,15 +34,6 @@ public:
 
     int displayPage(PageData &pageData) {
         
-        // Get config data
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String batVoltage = config->getString(config->batteryVoltage);
-        int genPower = config->getInt(config->genPower);
-        String backlightMode = config->getString(config->backlight);
-        String powerSensor = config->getString(config->usePowSensor3);
-
         double value1 = 0;  // Solar voltage
         double value2 = 0;  // Solar current
         double value3 = 0;  // Solar output power
@@ -76,7 +77,7 @@ public:
         }
         
         // Logging voltage value
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageGenerator, Type:%iW %s:=%f", genPower, name1.c_str(), value1);
+        logger->logDebug(GwLog::LOG, "Drawing at PageGenerator, Type:%iW %s:=%f", genPower, name1.c_str(), value1);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageKeelPosition.cpp b/lib/obp60task/PageKeelPosition.cpp
index 8bcf8d4..7f302c8 100644
--- a/lib/obp60task/PageKeelPosition.cpp
+++ b/lib/obp60task/PageKeelPosition.cpp
@@ -6,10 +6,20 @@
 
 class PageKeelPosition : public Page
 {
+private:
+    String lengthformat;
+    String rotsensor;
+    String rotfunction;
+
 public:
     PageKeelPosition(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageKeelPosition");
+
+        // Get config data
+        lengthformat = config->getString(config->lengthFormat);
+        rotsensor = config->getString(config->useRotSensor);
+        rotfunction = config->getString(config->rotFunction);
     }
 
     // Key functions
@@ -27,15 +37,6 @@ public:
         double value1 = 0;
         double value1old = 0;
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-        String rotsensor = config->getString(config->useRotSensor);
-        String rotfunction = config->getString(config->rotFunction);
-
         // Get boat values for Keel position
         bool valid1 = commonData->data.validRotAngle;    // Valid information 
         if(simulation == false && rotsensor == "AS5600" && rotfunction == "Keel"){
@@ -60,7 +61,7 @@ public:
         }
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageKeelPosition, Keel:%f", value1);
+        logger->logDebug(GwLog::LOG, "Drawing at PageKeelPosition, Keel:%f", value1);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageOneValue.cpp b/lib/obp60task/PageOneValue.cpp
index e26d633..708cc32 100644
--- a/lib/obp60task/PageOneValue.cpp
+++ b/lib/obp60task/PageOneValue.cpp
@@ -7,10 +7,15 @@
 
 class PageOneValue : public Page
 {
-    public:
+private:
+    String lengthformat;
+public:
     PageOneValue(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageOneValue");
+
+        // Get config data
+        lengthformat = config->getString(config->lengthFormat);
     }
 
     int handleKey(int key) {
@@ -28,12 +33,6 @@ class PageOneValue : public Page
         static String svalue1old = "";
         static String unit1old = "";
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        // bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
         
         // Get boat values
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
@@ -53,7 +52,7 @@ class PageOneValue : public Page
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageOneValue, %s: %f", name1.c_str(), value1);
+        logger->logDebug(GwLog::LOG, "Drawing at PageOneValue, %s: %f", name1.c_str(), value1);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageRollPitch.cpp b/lib/obp60task/PageRollPitch.cpp
index 3e09ea9..013ea69 100644
--- a/lib/obp60task/PageRollPitch.cpp
+++ b/lib/obp60task/PageRollPitch.cpp
@@ -6,10 +6,26 @@
 
 class PageRollPitch : public Page
 {
+private:
+    String lengthformat;
+    int rolllimit;
+    String roffset;
+    double rolloffset;
+    String poffset;
+    double pitchoffset;
+
 public:
     PageRollPitch(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageRollPitch");
+
+        // Get config data
+        String lengthformat = config->getString(config->lengthFormat);
+        rolllimit = config->getInt(config->rollLimit);
+        roffset = config->getString(config->rollOffset);
+        rolloffset = roffset.toFloat() / 360 * (2 * M_PI);
+        poffset = config->getString(config->pitchOffset);
+        pitchoffset = poffset.toFloat() / 360 * (2 * M_PI);
     }
 
     // Key functions
@@ -31,18 +47,6 @@ public:
         String svalue2 = "";
         String svalue2old = "";
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-        int rolllimit = config->getInt(config->rollLimit);
-        String roffset = config->getString(config->rollOffset);
-        double rolloffset = roffset.toFloat()/360*(2*M_PI);
-        String poffset = config->getString(config->pitchOffset);
-        double pitchoffset = poffset.toFloat()/360*(2*M_PI);
-
         // Get boat values for roll
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (xdrRoll)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
@@ -108,7 +112,7 @@ public:
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageRollPitch, %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2);
+        logger->logDebug(GwLog::LOG, "Drawing at PageRollPitch, %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageRudderPosition.cpp b/lib/obp60task/PageRudderPosition.cpp
index f47a7a2..9d151ca 100644
--- a/lib/obp60task/PageRudderPosition.cpp
+++ b/lib/obp60task/PageRudderPosition.cpp
@@ -7,14 +7,20 @@
 
 class PageRudderPosition : public Page
 {
+private:
+    String lengthformat;
+
 public:
     PageRudderPosition(CommonData &common) : Page(common)
     {
-        logger->logDebug(GwLog::LOG, "Show PageRudderPosition");
+        logger->logDebug(GwLog::LOG, "Instantiate PageRudderPosition");
+
+        // Get config data
+        String lengthformat = config->getString(config->lengthFormat);
     }
 
     // Key functions
-    int handleKey(int key){
+    int handleKey(int key) {
         // Code for keylock
         if(key == 11){
             commonData->keylock = !commonData->keylock;
@@ -29,13 +35,6 @@ public:
         double value1 = 0.1;
         double value1old = 0.1;
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-
         // Get boat values for rudder position
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list
         String name1 = bvalue1->getName().c_str();      // Value name
@@ -46,15 +45,14 @@ public:
         String svalue1 = formatValue(bvalue1, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit1 = formatValue(bvalue1, *commonData).unit;        // Unit of value
 
-        if(valid1 == true){
+        if (valid1 == true) {
             value1old = value1;   	                    // Save old value
             unit1old = unit1;                           // Save old unit
         } else {
-            if(simulation == true){
-                value1 = (3 + float(random(0, 50)) / 10.0)/360*2*PI;
+            if (simulation == true) {
+                value1 = (3 + float(random(0, 50)) / 10.0) / 360 * 2 * M_PI;
                 unit1 = "Deg";
-            }
-            else{
+            } else {
                 value1 = 0;
             }
         }
@@ -67,7 +65,7 @@ public:
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageRudderPosition, %s:%f", name1.c_str(), value1);
+        logger->logDebug(GwLog::LOG, "Drawing at PageRudderPosition, %s:%f", name1.c_str(), value1);
 
         // Draw page
         //***********************************************************
@@ -79,7 +77,7 @@ public:
         
         // Draw RudderPosition
         int rInstrument = 110;     // Radius of RudderPosition
-        float pi = 3.141592;
+        const float pi = 3.141592;
 
         epd->fillCircle(200, 150, rInstrument + 10, commonData->fgcolor);    // Outer circle
         epd->fillCircle(200, 150, rInstrument + 7, commonData->bgcolor);        // Outer circle
@@ -127,7 +125,7 @@ public:
 
             // Draw sub scale with lines (two triangles)
             if(i % 30 == 0){
-                float dx=2;   // Line thickness = 2*dx+1
+                float dx = 2;   // Line thickness = 2*dx+1
                 float xx1 = -dx;
                 float xx2 = +dx;
                 float yy1 =  -(rInstrument-10);
diff --git a/lib/obp60task/PageSixValues.cpp b/lib/obp60task/PageSixValues.cpp
index bd7559b..4a6af30 100644
--- a/lib/obp60task/PageSixValues.cpp
+++ b/lib/obp60task/PageSixValues.cpp
@@ -21,7 +21,7 @@ public:
         logger->logDebug(GwLog::LOG, "Instantiate PageSixValues");
     }
 
-    virtual int handleKey(int key){
+    int handleKey(int key) {
         // Code for keylock
         if(key == 11){
             commonData->keylock = !commonData->keylock;
diff --git a/lib/obp60task/PageSkyView.cpp b/lib/obp60task/PageSkyView.cpp
index 1021a2b..7e33c0e 100644
--- a/lib/obp60task/PageSkyView.cpp
+++ b/lib/obp60task/PageSkyView.cpp
@@ -13,7 +13,7 @@ class PageSkyView : public Page
 public:
     PageSkyView(CommonData &common) : Page(common)
     {
-        logger->logDebug(GwLog::LOG,"Instantiate PageSkyView");
+        logger->logDebug(GwLog::LOG, "Instantiate PageSkyView");
     }
 
     int handleKey(int key){
@@ -27,11 +27,6 @@ public:
 
     int displayPage(PageData &pageData) {
 
-        // Get config data
-        String flashLED = config->getString(config->flashLED);
-        String displaycolor = config->getString(config->displaycolor);
-        String backlightMode = config->getString(config->backlight);
-        
         // Optical warning by limit violation (unused)
         if(String(flashLED) == "Limit Violation"){
             setBlinkingLED(false);
diff --git a/lib/obp60task/PageSolar.cpp b/lib/obp60task/PageSolar.cpp
index 4fe5716..27d2751 100644
--- a/lib/obp60task/PageSolar.cpp
+++ b/lib/obp60task/PageSolar.cpp
@@ -7,10 +7,20 @@
 
 class PageSolar : public Page
 {
+private:
+    String batVoltage;
+    int solPower;
+    String powerSensor;
+
 public:
     PageSolar(CommonData &common) : Page(common)
     {
-        logger->logDebug(GwLog::LOG,"Instantiate PageSolar");
+        logger->logDebug(GwLog::LOG, "Instantiate PageSolar");
+
+        // Get config data
+        String batVoltage = config->getString(config->batteryVoltage);
+        int solPower = config->getInt(config->solarPower);
+        String powerSensor = config->getString(config->usePowSensor2);
     }
 
     int handleKey(int key){
@@ -24,15 +34,6 @@ public:
 
     int displayPage(PageData &pageData) {
         
-        // Get config data
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String batVoltage = config->getString(config->batteryVoltage);
-        int solPower = config->getInt(config->solarPower);
-        String backlightMode = config->getString(config->backlight);
-        String powerSensor = config->getString(config->usePowSensor2);
-
         double value1 = 0;  // Solar voltage
         double value2 = 0;  // Solar current
         double value3 = 0;  // Solar output power
@@ -76,7 +77,7 @@ public:
         }
         
         // Logging voltage value
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageSolar, Type:%iW %s:=%f", solPower, name1.c_str(), value1);
+        logger->logDebug(GwLog::LOG, "Drawing at PageSolar, Type:%iW %s:=%f", solPower, name1.c_str(), value1);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageSystem.cpp b/lib/obp60task/PageSystem.cpp
index 363375e..58f9807 100644
--- a/lib/obp60task/PageSystem.cpp
+++ b/lib/obp60task/PageSystem.cpp
@@ -1,29 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #if defined BOARD_OBP60S3 || defined BOARD_OBP40S3
 
-#include "Pagedata.h"
-#include "OBP60Extensions.h"
-#include "ConfigMenu.h"
-#include "images/logo64.xbm"
-#include <esp32/clk.h>
-#include "qrcode.h"
-#include "Nmea2kTwai.h"
-
-
-#ifdef BOARD_OBP40S3
-// #include <SD.h>
-// #include <FS.h>
-#include "dirent.h"
-#endif
-
-#define STRINGIZE_IMPL(x) #x
-#define STRINGIZE(x) STRINGIZE_IMPL(x)
-#define VERSINFO STRINGIZE(GWDEVVERSION)
-#define BOARDINFO STRINGIZE(BOARD)
-#define PCBINFO STRINGIZE(PCBVERS)
-#define DISPLAYINFO STRINGIZE(EPDTYPE)
-#define GXEPD2INFO STRINGIZE(GXEPD2VERS)
-
 /*
  * Special system page, called directly with fast key sequence 5,4
  * Out of normal page order.
@@ -46,6 +23,26 @@
  *         powerInit(powermode);
  */
 
+#include "Pagedata.h"
+#include "OBP60Extensions.h"
+#include "ConfigMenu.h"
+#include "images/logo64.xbm"
+#include <esp32/clk.h>
+#include "qrcode.h"
+#include "Nmea2kTwai.h"
+
+#ifdef BOARD_OBP40S3
+#include "dirent.h"
+#endif
+
+#define STRINGIZE_IMPL(x) #x
+#define STRINGIZE(x) STRINGIZE_IMPL(x)
+#define VERSINFO STRINGIZE(GWDEVVERSION)
+#define BOARDINFO STRINGIZE(BOARD)
+#define PCBINFO STRINGIZE(PCBVERS)
+#define DISPLAYINFO STRINGIZE(EPDTYPE)
+#define GXEPD2INFO STRINGIZE(GXEPD2VERS)
+
 class PageSystem : public Page
 {
 private:
@@ -55,7 +52,6 @@ private:
     // Generic data access
 
     uint64_t chipid;
-    bool simulation;
     bool use_sdcard;
     String buzzer_mode;
     uint8_t buzzer_power;
@@ -86,7 +82,7 @@ private:
         } else if (mode == 'C') { // Config
             mode = 'D';
         } else if (mode == 'D') { // Device list
-            if (use_sdcard) {
+            if (hasSDCard) {
                 mode = 'A';       // SD-Card
             } else {
                 mode = 'N';
@@ -99,7 +95,7 @@ private:
 
     void decMode() {
         if (mode == 'N') {
-            if (use_sdcard) {
+            if (hasSDCard) {
                 mode = 'A';
             } else {
                 mode = 'D';
@@ -188,8 +184,10 @@ private:
         epd->setCursor(90, y0 + 48);
         if (hasSDCard) {
             uint64_t cardsize = ((uint64_t) sdcard->csd.capacity) * sdcard->csd.sector_size / (1024 * 1024);
-            // epd->print(String(cardsize) + String(" MB"));
             epd->printf("%llu MB", cardsize);
+            if (!use_sdcard) {
+                epd->print(" (disabled)");
+            }
         } else {
             epd->print("off");
         }
@@ -394,8 +392,16 @@ private:
         epd->setCursor(x0, y0);
         epd->print("Work in progress...");
 
-        // TODO directories IMG, MAP, HIST should exist.
-        // Show state: Files and used size
+#ifdef BOARD_OBP40S3
+        /* TODO identify card as OBP-Card:
+        magic.dat
+        version.dat
+        readme.txt
+        IMAGES/
+        CHARTS/
+        LOGS/
+        DATA/
+        */
 
         // Simple test for one file in root
         epd->setCursor(x0, y0 + 32);
@@ -480,6 +486,7 @@ private:
             fclose(fh);
             // epd->drawXBitmap(20, 200, buffer, width, height, commonData.fgcolor);
         }
+#endif
     }
 
     void displayModeDevicelist() {
@@ -516,7 +523,6 @@ public:
         flashLED = config->getString(config->flashLED);
 
         chipid = ESP.getEfuseMac();
-        simulation = config->getBool(config->useSimuData);
 #ifdef BOARD_OBP40S3
         use_sdcard = config->getBool(config->useSDCard);
 #endif
diff --git a/lib/obp60task/PageThreeValues.cpp b/lib/obp60task/PageThreeValues.cpp
index 4e60fc0..7083337 100644
--- a/lib/obp60task/PageThreeValues.cpp
+++ b/lib/obp60task/PageThreeValues.cpp
@@ -7,10 +7,15 @@
 
 class PageThreeValues : public Page
 {
-    public:
+private:
+    String lengthformat;
+public:
     PageThreeValues(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageThreeValue");
+
+        // Get config data
+        lengthformat = config->getString(config->lengthFormat);
     }
 
     int handleKey(int key){
@@ -32,13 +37,6 @@ class PageThreeValues : public Page
         static String svalue3old = "";
         static String unit3old = "";
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        // bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-        
         // Get boat values #1
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
@@ -77,7 +75,7 @@ class PageThreeValues : public Page
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageThreeValues, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3);
+        logger->logDebug(GwLog::LOG, "Drawing at PageThreeValues, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageTwoValues.cpp b/lib/obp60task/PageTwoValues.cpp
index 1c021d4..52d4946 100644
--- a/lib/obp60task/PageTwoValues.cpp
+++ b/lib/obp60task/PageTwoValues.cpp
@@ -7,10 +7,15 @@
 
 class PageTwoValues : public Page
 {
-    public:
+private:
+    String lengthformat;
+public:
     PageTwoValues(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageTwoValue");
+
+        // Get config data
+        lengthformat = config->getString(config->lengthFormat);
     }
 
     int handleKey(int key){
@@ -30,12 +35,6 @@ class PageTwoValues : public Page
         static String svalue2old = "";
         static String unit2old = "";
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        // bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
         
         // Get boat values #1
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
@@ -65,7 +64,7 @@ class PageTwoValues : public Page
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageTwoValues, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2);
+        logger->logDebug(GwLog::LOG, "Drawing at PageTwoValues, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageVoltage.cpp b/lib/obp60task/PageVoltage.cpp
index 043e2dc..01acb87 100644
--- a/lib/obp60task/PageVoltage.cpp
+++ b/lib/obp60task/PageVoltage.cpp
@@ -8,6 +8,8 @@
 class PageVoltage : public Page
 {
 private:
+    String batVoltage;
+    String batType;
     bool init = false;                  // Marker for init done
     uint8_t average = 0;                // Average type [0...3], 0=off, 1=10s, 2=60s, 3=300s
     bool trend = true;                  // Trend indicator [0|1], 0=off, 1=on
@@ -18,6 +20,11 @@ public:
     PageVoltage(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageVoltage");
+
+        // Get config data
+        batVoltage = config->getString(config->batteryVoltage);
+        batType = config->getString(config->batteryType);
+
         if (hasFRAM) {
             average = fram.read(FRAM_VOLTAGE_AVG);
             trend = fram.read(FRAM_VOLTAGE_TREND);
@@ -29,14 +36,14 @@ public:
 	    logger->logDebug(GwLog::LOG, "Destroy PageVoltage");
 	}
 
-    void setupKeys(){
+    void setupKeys() {
         Page::setupKeys();
         commonData->keydata[0].label = "AVG";
         commonData->keydata[1].label = "MODE";
         commonData->keydata[4].label = "TRD";
     }
 
-    int handleKey(int key){
+    int handleKey(int key) {
          // Change average
         if(key == 1){
             average ++;
@@ -107,14 +114,6 @@ public:
     }
 
     int displayPage(PageData &pageData) {
-        
-        // Get config data
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String batVoltage = config->getString(config->batteryVoltage);
-        String batType = config->getString(config->batteryType);
-        String backlightMode = config->getString(config->backlight);
 
         double value1 = 0;
         double valueTrend = 0;  // Average over 10 values
@@ -191,7 +190,7 @@ public:
         }
         
         // Logging voltage value
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageVoltage, Type:%s %s:=%f", batType, name1.c_str(), raw);
+        logger->logDebug(GwLog::LOG, "Drawing at PageVoltage, Type:%s %s:=%f", batType, name1.c_str(), raw);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageWhite.cpp b/lib/obp60task/PageWhite.cpp
index 530fcc9..addd745 100644
--- a/lib/obp60task/PageWhite.cpp
+++ b/lib/obp60task/PageWhite.cpp
@@ -14,7 +14,8 @@
 
 class PageWhite : public Page
 {
-char mode = 'W';  // display mode (W)hite | (L)ogo | (M)FD logo
+private:
+    char mode = 'W';  // display mode (W)hite | (L)ogo | (M)FD logo
 
 public:
     PageWhite(CommonData &common) : Page(common)
@@ -23,7 +24,7 @@ public:
         refreshtime = 15000;
     }
 
-    virtual int handleKey(int key) {
+    int handleKey(int key) {
          // Change display mode
         if (key == 1) {
             if (mode == 'W') {
@@ -38,10 +39,7 @@ public:
         return key;
     }
 
-    int displayPage(PageData &pageData){
-
-        // Get config data
-        String flashLED = config->getString(config->flashLED);
+    int displayPage(PageData &pageData) {
 
         // Optical warning by limit violation (unused)
         if(String(flashLED) == "Limit Violation"){
@@ -50,7 +48,7 @@ public:
         }
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageWhite");
+        logger->logDebug(GwLog::LOG, "Drawing at PageWhite");
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageWind.cpp b/lib/obp60task/PageWind.cpp
index 893cee1..9daa267 100644
--- a/lib/obp60task/PageWind.cpp
+++ b/lib/obp60task/PageWind.cpp
@@ -215,15 +215,21 @@ static unsigned char front_bits[] PROGMEM = {
 
 class PageWind : public Page
 {
-bool keylock = false;               // Keylock
-int8_t lp = 80;                     // Pointer length
-char mode = 'N';                    // page mode (N)ormal | (L)ens | e(X)ample
-char source = 'A';                  // data source (A)pparent | (T)rue
+private:
+    String lengthformat;
+    bool keylock = false;   // Keylock
+    int8_t lp = 80;         // Pointer length
+    char mode = 'N';        // page mode (N)ormal | (L)ens | e(X)ample
+    char source = 'A';      // data source (A)pparent | (T)rue
 
 public:
     PageWind(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageWind");
+
+        // Get config data
+        lengthformat = config->getString(config->lengthFormat);
+
         if (hasFRAM) {
             lp = fram.read(FRAM_WIND_SIZE);
             source = fram.read(FRAM_WIND_SRC);
@@ -231,7 +237,7 @@ public:
         }
     }
 
-    void setupKeys(){
+    void setupKeys() {
         Page::setupKeys();
         commonData->keydata[0].label = "MODE";
         if (mode == 'X') {
@@ -243,7 +249,7 @@ public:
     }
 
     // Key functions
-    int handleKey(int key){
+    int handleKey(int key) {
 
         if(key == 1){               // Mode switch
             if(mode == 'N'){
@@ -304,13 +310,6 @@ public:
         static String svalue2old = "";
         static String unit2old = "";
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-
         GwApi::BoatValue *bvalue1; // Value 1 for speed on top
         GwApi::BoatValue *bvalue2; // Value 2 for angle on bottom
 
@@ -353,7 +352,7 @@ public:
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageWind, %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2);
+        logger->logDebug(GwLog::LOG, "Drawing at PageWind, %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageWindPlot.cpp b/lib/obp60task/PageWindPlot.cpp
index e787e9d..0607713 100644
--- a/lib/obp60task/PageWindPlot.cpp
+++ b/lib/obp60task/PageWindPlot.cpp
@@ -49,7 +49,7 @@ int getRng(const RingBuffer<int16_t>& windDirHstry, int center, size_t amount)
 
 // ****************************************************************
 class PageWindPlot : public Page {
-
+private:
     bool keylock = false; // Keylock
     char chrtMode = 'D'; // Chart mode: 'D' for TWD, 'S' for TWS, 'B' for both
     int dataIntv = 1; // Update interval for wind history chart:
@@ -62,8 +62,7 @@ public:
         logger->logDebug(GwLog::LOG, "Instantiate PageWindPlot");
     }
 
-    void setupKeys()
-    {
+    void setupKeys() {
         Page::setupKeys();
         //        commonData->keydata[0].label = "MODE";
         commonData->keydata[1].label = "INTV";
@@ -71,8 +70,7 @@ public:
     }
 
     // Key functions
-    int handleKey(int key)
-    {
+    int handleKey(int key) {
         // Set chart mode TWD | TWS -> to be implemented
         if (key == 1) {
             if (chrtMode == 'D') {
@@ -134,8 +132,6 @@ public:
         static bool isInitialized = false; // Flag to indicate that page is initialized
         static bool wndDataValid = false; // Flag to indicate if wind data is valid
         static int numNoData; // Counter for multiple invalid data values in a row
-        static bool simulation = false;
-        static bool holdValues = false;
 
         static int width; // Screen width
         static int height; // Screen height
@@ -169,13 +165,7 @@ public:
         int chrtVal; // Current wind value
         static int chrtPrevVal; // Last wind value in chart area for check if value crosses 180 degree line
 
-        LOG_DEBUG(GwLog::LOG, "Display page WindPlot");
-
-        // Get config data
-        simulation = config->getBool(config->useSimuData);
-        holdValues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
+        logger->logDebug(GwLog::LOG, "Display page WindPlot");
 
         if (!isInitialized) {
             width = epd->width();
@@ -237,7 +227,7 @@ public:
                 bufStart = max(0, bufStart - numAddedBufVals);
             }
         }
-        LOG_DEBUG(GwLog::DEBUG, "PageWindPlot Dataset: count: %d, TWD: %.0f, TWS: %.1f, TWD_valid? %d, intvBufSize: %d, numWndVals: %d, bufStart: %d, numAddedBufVals: %d, lastIdx: %d, old: %d, act: %d",
+        logger->logDebug(GwLog::DEBUG, "PageWindPlot Dataset: count: %d, TWD: %.0f, TWS: %.1f, TWD_valid? %d, intvBufSize: %d, numWndVals: %d, bufStart: %d, numAddedBufVals: %d, lastIdx: %d, old: %d, act: %d",
             count, pageData.boatHstry.twdHstry->getLast() / 1000.0 * radToDeg, pageData.boatHstry.twsHstry->getLast() / 10.0 * 1.94384, BDataValid[0],
             intvBufSize, numWndVals, bufStart, numAddedBufVals, pageData.boatHstry.twdHstry->getLastIdx(), oldDataIntv, dataIntv);
 
@@ -250,7 +240,7 @@ public:
             } else {
                 wndCenter = 0;
             }
-            LOG_DEBUG(GwLog::DEBUG, "PageWindPlot Range Init: count: %d, TWD: %.0f, wndCenter: %d, diffRng: %d, chrtRng: %d", count, pageData.boatHstry.twdHstry->getLast() / 1000.0 * radToDeg,
+            logger->logDebug(GwLog::DEBUG, "PageWindPlot Range Init: count: %d, TWD: %.0f, wndCenter: %d, diffRng: %d, chrtRng: %d", count, pageData.boatHstry.twdHstry->getLast() / 1000.0 * radToDeg,
                 wndCenter, diffRng, chrtRng);
         } else {
             // check and adjust range between left, center, and right chart limit
@@ -330,7 +320,7 @@ public:
 
 //                    if (i >= (numWndVals / dataIntv) - 10)
                     if (i >= (numWndVals / dataIntv) - 1)
-                        LOG_DEBUG(GwLog::DEBUG, "PageWindPlot Chart: i: %d, chrtVal: %d, bufStart: %d, count: %d, linesToShow: %d", i, chrtVal, bufStart, count, (numWndVals / dataIntv));
+                        logger->logDebug(GwLog::DEBUG, "PageWindPlot Chart: i: %d, chrtVal: %d, bufStart: %d, count: %d, linesToShow: %d", i, chrtVal, bufStart, count, (numWndVals / dataIntv));
 
                     if ((i == 0) || (chrtPrevVal == INT16_MIN)) {
                         // just a dot for 1st chart point or after some invalid values
@@ -363,7 +353,7 @@ public:
 
                     int minWndDir = pageData.boatHstry.twdHstry->getMin(numWndVals) / 1000.0 * radToDeg;
                     int maxWndDir = pageData.boatHstry.twdHstry->getMax(numWndVals) / 1000.0 * radToDeg;
-                    LOG_DEBUG(GwLog::DEBUG, "PageWindPlot FreeTop: Minimum: %d, Maximum: %d, OldwndCenter: %d", minWndDir, maxWndDir, wndCenter);
+                    logger->logDebug(GwLog::DEBUG, "PageWindPlot FreeTop: Minimum: %d, Maximum: %d, OldwndCenter: %d", minWndDir, maxWndDir, wndCenter);
 //                    if ((minWndDir + 540 >= wndCenter + 540) || (maxWndDir + 540 <= wndCenter + 540)) {
                     if (((minWndDir - wndCenter >= 0) && (minWndDir - wndCenter < 180)) || ((maxWndDir - wndCenter <= 0) && (maxWndDir - wndCenter >=180))) {
                         // Check if all wind value are left or right of center value -> optimize chart range
@@ -372,14 +362,14 @@ public:
                             wndCenter = int((midWndDir + (midWndDir >= 0 ? 5 : -5)) / 10) * 10; // Set new center value; round to nearest 10 degree value
                         }
                     }
-                    LOG_DEBUG(GwLog::DEBUG, "PageWindPlot FreeTop: cHeight: %d, bufStart: %d, numWndVals: %d, wndCenter: %d", cHeight, bufStart, numWndVals, wndCenter);
+                    logger->logDebug(GwLog::DEBUG, "PageWindPlot FreeTop: cHeight: %d, bufStart: %d, numWndVals: %d, wndCenter: %d", cHeight, bufStart, numWndVals, wndCenter);
                     break;
                 }
             }
 
         } else {
             // No valid data available
-            LOG_DEBUG(GwLog::LOG, "PageWindPlot: No valid data available");
+            logger->logDebug(GwLog::LOG, "PageWindPlot: No valid data available");
             epd->setFont(&Ubuntu_Bold10pt8b);
             epd->fillRect(xCenter - 33, height / 2 - 20, 66, 24, commonData->bgcolor); // Clear area for message
             drawTextCenter(xCenter, height / 2 - 10, "No data");
diff --git a/lib/obp60task/PageWindRose.cpp b/lib/obp60task/PageWindRose.cpp
index a78233b..cb8dbe2 100644
--- a/lib/obp60task/PageWindRose.cpp
+++ b/lib/obp60task/PageWindRose.cpp
@@ -7,16 +7,21 @@
 
 class PageWindRose : public Page
 {
-int16_t lp = 80;                    // Pointer length
+private:
+    String lengthformat;
+    int16_t lp = 80; // Pointer length
 
 public:
-    PageWindRose(CommonData &common)
+    PageWindRose(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageWindRose");
+
+        // Get config data
+        String lengthformat = config->getString(config->lengthFormat);
     }
 
     // Key functions
-    int handleKey(int key){
+    int handleKey(int key) {
         // Code for keylock
         if(key == 11){
             commonData->keylock = !commonData->keylock;
@@ -40,13 +45,6 @@ public:
         static String svalue6old = "";
         static String unit6old = "";
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-
         // Get boat value for AWA
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
@@ -140,7 +138,7 @@ public:
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageWindRose, %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4, name5.c_str(), value5, name6.c_str(), value6);
+        logger->logDebug(GwLog::LOG, "Drawing at PageWindRose, %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4, name5.c_str(), value5, name6.c_str(), value6);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageWindRoseFlex.cpp b/lib/obp60task/PageWindRoseFlex.cpp
index 2d0db71..64585a3 100644
--- a/lib/obp60task/PageWindRoseFlex.cpp
+++ b/lib/obp60task/PageWindRoseFlex.cpp
@@ -7,16 +7,21 @@
 
 class PageWindRoseFlex : public Page
 {
-int16_t lp = 80;                    // Pointer length
+private:
+    String lengthformat;
+    int16_t lp = 80; // Pointer length
 
 public:
     PageWindRoseFlex(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageWindRoseFlex");
+
+        // Get config data
+        lengthformat = config->getString(config->lengthFormat);
     }
 
     // Key functions
-    int handleKey(int key){
+    int handleKey(int key) {
         // Code for keylock
         if(key == 11){
             commonData->keylock = !commonData->keylock;
@@ -25,7 +30,7 @@ public:
         return key;
     }
 
-    int displayPage(PageData &pageData){
+    int displayPage(PageData &pageData) {
 
         static String svalue1old = "";
         static String unit1old = "";
@@ -40,13 +45,6 @@ public:
         static String svalue6old = "";
         static String unit6old = "";
 
-        // Get config data
-        String lengthformat = config->getString(config->lengthFormat);
-        bool simulation = config->getBool(config->useSimuData);
-        bool holdvalues = config->getBool(config->holdvalues);
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-
         // Get boat values #1
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
@@ -140,7 +138,7 @@ public:
 
         // Logging boat values
         if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
-        LOG_DEBUG(GwLog::LOG, "Drawing at PageWindRoseFlex, %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4, name5.c_str(), value5, name6.c_str(), value6);
+        logger->logDebug(GwLog::LOG, "Drawing at PageWindRoseFlex, %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4, name5.c_str(), value5, name6.c_str(), value6);
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/PageXTETrack.cpp b/lib/obp60task/PageXTETrack.cpp
index 5738067..0b0412d 100644
--- a/lib/obp60task/PageXTETrack.cpp
+++ b/lib/obp60task/PageXTETrack.cpp
@@ -29,15 +29,18 @@ static unsigned char ship_bits[] PROGMEM = {
 
 class PageXTETrack : public Page
 {
-    bool simulation = false;
-    bool holdvalues = false;
+private:
+    String trackStep;
+    double seg_step;
 
-    public:
+public:
     PageXTETrack(CommonData &common) : Page(common)
     {
         logger->logDebug(GwLog::LOG, "Instantiate PageXTETrack");
-        simulation = config->getBool(config->useSimuData);
-        holdvalues = config->getBool(config->holdvalues);
+
+        // Get config data
+        String trackStep = config->getString(config->trackStep);
+        seg_step = trackStep.toDouble() * M_PI / 180;
     }
 
     void drawSegment(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1,
@@ -57,7 +60,7 @@ class PageXTETrack : public Page
        }
     }
 
-    virtual int handleKey(int key){
+    int handleKey(int key) {
         // Code for keylock
         if(key == 11){
             commonData->keylock = !commonData->keylock;
@@ -66,16 +69,7 @@ class PageXTETrack : public Page
         return key;
     }
 
-    int displayPage(PageData &pageData){
-        GwConfigHandler *config = commonData->config;
-        GwLog *logger = commonData->logger;
-
-        // Get config data
-        String flashLED = config->getString(config->flashLED);
-        String backlightMode = config->getString(config->backlight);
-
-        String trackStep = config->getString(config->trackStep);
-        double seg_step = trackStep.toFloat() * PI / 180;
+    int displayPage(PageData &pageData) {
 
         // Optical warning by limit violation (unused)
         if(String(flashLED) == "Limit Violation"){
@@ -84,7 +78,7 @@ class PageXTETrack : public Page
         }
 
         // Logging boat values
-        LOG_DEBUG(GwLog::LOG,"Drawing at PageXTETrack");
+        logger->logDebug(GwLog::LOG, "Drawing at PageXTETrack");
 
         // Draw page
         //***********************************************************
diff --git a/lib/obp60task/Pagedata.h b/lib/obp60task/Pagedata.h
index cc7f14e..690815b 100644
--- a/lib/obp60task/Pagedata.h
+++ b/lib/obp60task/Pagedata.h
@@ -129,12 +129,20 @@ protected:
     CommonData *commonData;
     GwConfigHandler *config;
     GwLog *logger;
+    bool simulation = false;
+    bool holdvalues = false;
+    String flashLED;
+    String backlightMode;
 public:
-    Page(){}
     Page(CommonData &common) {
         commonData = &common;
         config = commonData->config;
         logger = commonData->logger;
+        // preload generic configuration data
+        simulation = config->getBool(config->useSimuData);
+        holdvalues = config->getBool(config->holdvalues);
+        flashLED = config->getString(config->flashLED);
+        backlightMode = config->getString(config->backlight);
     }
     int refreshtime = 1000;
     virtual int displayPage(PageData &pageData)=0;