Challenger 390 Transmitter
Product Description
Replaces Genie (except Intelicode), Sears,
Chamberlain and Liftmaster (except
Security + and Billion Code) Transmitters
The Challenger 390 Transmitter makes it possible
to operate a single or group of remotely controlled
devices such as a garage door opener, with a single
transmitter.
Programming the Challenger 390 is done by simply:
1. Put the transmitter in program mode.
2. Select the button you wish to use.
3. Enter your 9 or 12 digit code.