Installation manual
 Owner Installation Instructions GDO-9 23
Step 17.5 - Coding a Transmitter Button to 
the Courtesy Light
The transmitter can be programmed to operate the 
courtesy light on the opener independently of the door 
moving.
Press and hold LIGHT CODE button (Fig. 36).
Press one of the four buttons on the transmitter for 
two (2) seconds, pause for two (2) seconds, then 
press the same button again for two (2) seconds.
Release the LIGHT CODE button.
Press the transmitter button to test.
a.
b.
c.
d.
Coding Transmitters
36
fi g










