       }
 
       // adjust display contrast so we can see the results
-      LcdContrast = index * 10;
+      LcdContrast = index * 16;
       analogWrite(mc_Contrast, LcdContrast);
+#if (DEBUG & DEBUG_ACT)
       Serial.printf(F("contrast_action: contrast set to %d\n"), LcdContrast);
+#endif
 
       // show brightness value in row 1
       // Contrast voltage works opposite to brightness

    {
      Serial.printf(F("actual volts=%f, percent=%d, batt_bucket=%d\n"),
                      MeasuredVoltage, percent, batt_bucket);
    }
#endif
  }

#if (DEBUG & DEBUG_BATT)
  if (batt_report_count > 0)
    batt_report_count = -ReportVoltageDelay;
#endif
}

//----------------------------------------


void calibrate_action(struct Menu *menu, int item_num)
{
  int save_offset = VfoClockOffset; // save the existing offset
  int seldig = 0;                   // the selected digit in the display
  bool was_standby = false;         // true if we have to set standby when finished
