974
From JP1 Remotes Wiki
(974) Turning On/Off Back-lighting
Some some hard-button remotes have a button that will turn on off back lighting on the fly. The button will have an icon that looks like a lightbulb. If the lightbulb is on the SET/Magic/Setup button it usually needs to be double tapped to turn on/off the backlight. On other backlit hard-button remotes, the button doesn't exist or doesn't work.
- PRESS and HOLD the SETUP button until the red LED flashes twice.
- TAP 9 - 7 - 4, the red LED will flash twice if the back light is turned on, 4 times if the back light is turned off.