navPresent (Function)

This function will determine if a navigation device is present.

Input:

None.

Returns: INT

Declaration:

FUNCTION navPresent : INT;

Example:

INCLUDE rtcu.inc
 
PROGRAM NavigationExample;
 
BEGIN
   // Check if navigation device is present
   IF navPresent() THEN
      DebugMsg(message := "Navigation device (" + navDeviceSerial() + ") present");
      ...
   END_IF;
   ...
END;
END_PROGRAM;