CHAMBERLAIN Lift Master MODEL 33LM 3 BUTTON REMOTE CONTROL OWNER S MANUAL The green push button is recommended for use with a garage door opener The other push buttons can be used to operate another opener and or light control product The 33LM 3 Button Remote Control Remote control can also be used with a 423LM 3 channel receiver and a 3 button door control to operate a commercial door opener in open close and stop mode as explained on side 2 To match or chan
CHAMBERLAIN LiftMaster PROFESSIONAL MODEL 33LM 3 BUTTON REMOTE CONTROL TRANSMITTER OWNER S MANUAL The green push button is recommended for use with a garage door opener The other push buttons can be used to operate another opener and or light control product The 33LM 3 Button Remote Control Transmitter can also be used with a 423LM 3 channel receiver and a 3 button door control to operate a commercial door opener in open close and stop mode as explained o
CHAMBERLAIN Lift Master MODEL 33LM 3 BUTTON REMOTE CONTROL OWNER S MANUAL The green push button is recommended for use with a garage door opener The other push buttons can be used to operate another opener and or light control product The 33LM 3 Button Remote Control Remote control can also be used with a 423LM 3 channel receiver and a 3 button door control to operate a commercial door opener in open close and stop mode as explained on side 2 To match or chan