       break;
 
     case 2:
-      if ( (millis() - tx_init) > 5000 ) {
+      if ( (millis() - tx_init) > 500 ) {
         FT817.requestFrequencyAndMode();
         tx_init = millis();
       }

  return __brkval ? &top - __brkval : &top - &__bss_end;
#endif  // __arm__
}


  } // txSerial.available()

  // display of frequency and mode from time to time
  if (    (txState != 2 && (millis() - loop_init > 200))
       || (txState == 2 && (millis() - loop_init > 2000)) ) {
    
    loop_init = millis();

