     
     loop_init = millis();
 
-    Serial << F("OP mode ") << operation_mode 
+    Serial << F("OP mode ") << rxState 
            << F(" fOK ") << rxFrequencyOK(Icom706)
            << F(" mOK ") << rxModeOK(Icom706)
            << F(": Frequency = ") << frequency 

// code snippet for XXX specific code fragment
#if defined(CORE_TEENSY) || defined(__AVR__) || defined(__ARM__)
// ...
#endif

#include <CATutil.h>
#include <IcomCAT.h>

/** LED which indicates that RX loop is 'locked'. */
#define RX_LOCKED_LED     13

#if defined (__AVR__)
