ignore keyerrors in this case

owrx/connection.py

@@ -264,8 +264,11 @@ class OpenWebRxReceiverClient(Client):
         stack.addLayer(0, self.sdr.getProps())
         stack.addLayer(1, config)
         protected = stack.filter(*keys)
+        try:
             for key, value in params.items():
                 protected[key] = value
+        except KeyError:
+            pass
 
     def getDsp(self):
         if self.dsp is None: