diff --git a/obp60v.conf-sample b/obp60v.conf-sample
index 62f9426..081ae90 100644
--- a/obp60v.conf-sample
+++ b/obp60v.conf-sample
@@ -11,6 +11,14 @@ mouseptr = on
 win_x = -1
 win_y = -1
 
+[can]
+enabled = false
+interface = can0
+
+[nmea0183]
+enabled = false
+port = /dev/ttyV1
+
 [bme280]
 enabled = false
 port = 1
@@ -21,7 +29,6 @@ enabled = false
 port = /dev/ttyACM0
 
 [opencpn]
-port = /dev/ttyV1
 navobj = ~/.opencpn/navobj.xml
 config = ~/.opencpn/opencpn.conf
 
diff --git a/obp60v.py b/obp60v.py
index 3f4d205..65dceb9 100755
--- a/obp60v.py
+++ b/obp60v.py
@@ -8,6 +8,9 @@ Zwei Displayvarianten
   2. Fullscreen Display skaliert mit 1,6 ergibt 640x480
      mit Platz für große Touch-Flächen am rechten Rand
 
+Das Gerät kann Daten von NMEA2000 und NMEA0183 empfangen, sowie von
+einem lokal angeschlossenen GPS-Empfänger.
+
 NMEA2000
   deviceclass: 120 - Display
   devicefunction: 130 - Display
@@ -120,9 +123,9 @@ cfg = {
     'bme280': False
 }
 
-def rxd_n2k():
+def rxd_n2k(device):
     setthreadtitle("N2Klistener")
-    bus = can.Bus(interface='socketcan', channel='can0', bitrate=250000);
+    bus = can.Bus(interface='socketcan', channel=device, bitrate=250000);
     wip = False
     sc = 0
     nf = 0
@@ -196,7 +199,7 @@ def rxd_0183(devname):
     try:
         ser = serial.Serial(devname, 115200, timeout=3)
     except serial.SerialException as e:
-        print("OpenCPN serial port not available")
+        print("NMEA0183 serial port not available")
         return
     setthreadtitle("0183listener")
     while not shutdown:
@@ -218,6 +221,8 @@ def rxd_0183(devname):
         elif msg.sentence_type == 'RTE':
             # Route
             print(msg.fields)
+        else:
+            print(msg)
     ser.close()
 
 def datareader(histpath, history):
@@ -625,6 +630,14 @@ if __name__ == "__main__":
         cfg['win_x'] = -1
         cfg['win_y'] = -1
 
+    cfg['can'] = config.getboolean('can', 'enabled')
+    if cfg['can']:
+        cfg['can_intf'] = config.get('can', 'interface')
+
+    cfg['nmea0183'] = config.getboolean('nmea0183', 'enabled')
+    if cfg['nmea0183']:
+        cfg['0183_port'] = config.get('nmea0183', 'port')
+
     cfg['gps'] = config.getboolean('gps', 'enabled')
     if cfg['gps']:
         cfg['gps_port'] = config.get('gps', 'port')
@@ -638,27 +651,29 @@ if __name__ == "__main__":
         history = History("press", 75)
         boatdata.addHistory(history, "press")
 
-    cfg['ocpn_port'] = config.get('opencpn', 'port')
-
     if cfg['simulation']:
         boatdata.enableSimulation()
 
     profile = init_profile(config, cfg, boatdata)
 
-    if not cfg['simulation']:
-        t_rxd_n2k = threading.Thread(target=rxd_n2k)
+    # Schnittstellen aktivieren
+    if cfg['can']:
+        t_rxd_n2k = threading.Thread(target=rxd_n2k, args=(cfg['can_intf'],))
         t_rxd_n2k.start()
-        t_rxd_0183 = threading.Thread(target=rxd_0183, args=(cfg['ocpn_port'],))
+    if cfg['nmea0183']:
+        t_rxd_0183 = threading.Thread(target=rxd_0183, args=(cfg['0183_port'],))
         t_rxd_0183.start()
-
+    if not cfg['simulation']:
         t_data = threading.Thread(target=datareader, args=(cfg['histpath'], history))
         t_data.start()
 
     app = Frontend(cfg, owndevice, boatdata, profile)
     app.run()
     shutdown = True
-    if not cfg['simulation']:
+    if cfg['can']:
         t_rxd_n2k.join()
+    if cfg['nmea0183']:
         t_rxd_0183.join()
+    if not cfg['simulation']:
         t_data.join()
     print("Another fine product of the Sirius Cybernetics Corporation.")