diff --git a/mapservice.py b/mapservice.py
index eeb5c15..4765e0b 100644
--- a/mapservice.py
+++ b/mapservice.py
@@ -35,6 +35,8 @@ class MapService():
 
     def get_px_meters(self, lat, zoom):
         # Erdumfang am Äquator: 40075016 m
+        if not lat:
+            return 0
         return 40075016 * math.cos(math.radians(lat)) / (2 ** (zoom + 8))
 
     def web_get_tile(self, domain, path):
diff --git a/obp60v.py b/obp60v.py
index 95012d9..e669d8c 100755
--- a/obp60v.py
+++ b/obp60v.py
@@ -118,7 +118,7 @@ import nmea0183
 import pages
 
 __author__ = "Thomas Hooge"
-__copyright__ = "Copyleft 2024-2025, all rights reversed"
+__copyright__ = "Copyleft 2024-2026, all rights reversed"
 __version__ = "0.3"
 __email__ = "thomas@hoogi.de"
 __status__ = "Development"
@@ -166,6 +166,10 @@ def rxd_n2k(device):
                 #boatdata.setValue("LAT", lat)
                 #boatdata.setValue("LON", lon)
                 parser.parse_129025(msg.data, boatdata)
+            case 127502:
+                # Switch bank control
+                # Remote keys received via callback function
+                parser.parse_127502(msg.data, boatdata)
             case 127505:
                 # Fluid level
                 #fluidtype = msg.data[0] >> 4
@@ -398,6 +402,11 @@ class Frontend(Gtk.Window):
         # Flash LED
         self.flashled = LED(self.fixed, self._fullscreen) # Soft Flash-LED
 
+        # Callback für Remote-Tasten einbauen
+        for button in range(1, 7):
+            boatdata.switchbank[0].setCallback(button, self.on_remote_key)
+            print(f"Added remote key {button}")
+
         self.button_clicked = 0 # Geklickter Button vor Loslassen
         self.keylock = False
         self.pages = profile
@@ -540,6 +549,10 @@ class Frontend(Gtk.Window):
             if selected == 6 and self.button_clicked == 1:
                 self.keylock = False
             return True
+
+        return self.handle_button(selected)
+
+    def handle_button(self, selected):
         # Alarm! Only botton "1" so dismiss
         if self.boatdata.alarm:
             if selected == 1:
@@ -589,6 +602,10 @@ class Frontend(Gtk.Window):
                 self.curpage.backlight = not self.curpage.backlight
         return True
 
+    def on_remote_key(self, index, action):
+        print(f"Remote key {index}: {action}")
+        return self.handle_button(index)
+
     def on_delete(self, widget, event):
         # Einhängepunkt für zukünftige Erweiterungen
         # Hier kann der Vorgang noch durch z.B. Benutzerinteraktion
@@ -687,6 +704,7 @@ def init_logging(logdir, logfile='obp60v.log', loglevel=logging.INFO):
     console.setLevel(loglevel)
     log.addHandler(console)
 
+
 if __name__ == "__main__":
 
     setproctitle("obp60v")
@@ -701,6 +719,7 @@ if __name__ == "__main__":
     boatdata = BoatData()
     boatdata.addTank(0)
     boatdata.addEngine(0)
+    boatdata.addSwitchBank(0)
 
     # Basiskonfiguration aus Datei lesen
     config = configparser.ConfigParser()
diff --git a/pages/anchor.py b/pages/anchor.py
index 8e370b3..9feb093 100644
--- a/pages/anchor.py
+++ b/pages/anchor.py
@@ -50,7 +50,7 @@ class Anchor(Page):
         self._bd = boatdata
         self.zoom = 15
         self.app.mapsrv.set_output_size(260, 260)
-        self.app.mapsrv.get_px_meters(self._bd.lat.getRawValue(), self.zoom)
+        self.app.mapsrv.get_px_meters(self._bd.lat.getValueRaw(), self.zoom)
         self.bgimage = None
         self._map_tick = 10
         # Vor Hafeneinfahrt Wedel