Function Keys Function Keys 1 PTI - Pre-trip Inspection 2 Defrost Key 3 ON/OFF Key F1 Alarm Key F2 C/F Key F3 Setpoint Key F4 Menu Key Parent topic: Operating Instructions MP4000 Unit On/Off Key Open ON - Unit will operate on Cool or Heat depending on the controller setpoint temperature and the container air temperature. OFF - The unit will not operate.
Unit On/Off Key Open ON - Unit will operate on Cool or Heat depending on the controller setpoint temperature and the container air temperature. OFF - The unit will not operate.
