   Serial.printf(F("%s %s%s (%s)\n"), ProgramName, Version, MinorVersion, Callsign);
 #endif
 
-#if (DEBUG > 0)
+#if (DEBUG != 0)
   Serial.printf(F("DEBUG is defined as %06X:\n"), DEBUG);
   decode_debug_levels(DEBUG);
 #else

    BatterySymbol = battover;
#if (DEBUG & DEBUG_BATT)
    if (batt_report_count > 0)
      Serial.printf(F("OVER VOLTAGE\n"));
      batt_report_count = -ReportVoltageDelay;
#endif      
  }
  else

    BatterySymbol = battnone;
#if (DEBUG & DEBUG_BATT)
    if (batt_report_count > 0)
    {
      Serial.printf(F("no battery\n"));
      batt_report_count = -ReportVoltageDelay;
    }
#endif      
  }
  else if (MeasuredVoltage < MinVoltage)
