*#06# -> Show IMEI
*#9999# -> Show Software Version
*#0837# -> Show Software Version (instructions)
*#0001# -> Show Serial Parameters
*#9125# -> Activates the smiley when charging.
*#9998*228# -> Battery status (capacity, voltage, temperature)
*#9998*246# -> Program status
*#9998*289# -> Change Alarm Buzzer Frequency
*#9998*324# -> Debug screens
*#9998*364# -> Watchdog
*#9998*377# -> EEPROM Error Stack - Use side keys to select values. Cancel and ok.
*#9998*427# -> Trace Watchdog
*#9998*523# -> Change LCD