Marantz AV7703 Owner's Manual page 268

Contents Connections
Setting the back light
SET
Front panel Display
Playback
You can turn off the backlight of the remote control unit.
0
Disabling the backlight
1
Turning the backlight on
Light button
1
268
Rear panel
Settings Tips
Backlight is set on in the factory settings.
Press and hold both SET and Light button until "OFF"
indicator flashes twice.
Press and hold both SET and Light button until "ON"
indicator flashes twice.
Remote
Appendix
Index