Emerson Copeland Scroll User Manual page 14

Keyboard descriptions - combined buttons
+
Press and hold for about 3 seconds to lock (Pon) or unlock (PoF) the keyboard.
Pressed together to exit programming mode or menu; under rtC and Par, this combination allows the user to go
+
back to previous level.
+ Pressed together for 3 seconds allows access to first level of programming mode.
Pressed together for 3 seconds allows access to EXV manual setting.
+
Controller initialization message
When the unit is initially powered on, the controller will display.
Step Action
1 Power on controller
2
3
4
14
Phenomenon and Description
All LEDs will light up for 3 seconds.
Firmware version will be displayed for 3 seconds.
Parameter setting file (bin file number) identifier will be displayed for 3 seconds.
Normal display (actual suction temperature will be displayed on ZXV/ZXD unit, condensing
temperature will be displayed on ZX/ZXL/ZXB unit)