Operation Controls:
1 SET Button - Confirm set and Reversing sensitivity
2 CODE Button - Transmitter code set.
3 UP Button - Limit mode set.
4 DOWN Button - Limit mode set
Circuit Board Connections.
5 Coupling for connecting the backup battery.
6 Coupling for connecting the motor and transformer.
7 Terminal connector to the control board.
8 Terminal connector to the control board.
9 Terminal connections for photo beam and push button.