Dell 7609WU Projector - Manual (Page 47)

Troubleshooting Your Projector 47
The OSD does not appear on
the screen
Try to press the Menu button on the panel or
the remote control for 15 seconds to unlock
the OSD. Check the Menu Lock "Menu
Lock" on page 41.
The remote control is not
operating smoothly or works
only within a limited range
The battery may be low. Check if the laser
beam transmitted from the remote is too dim.
If so, replace the batteries with two new AAA
batteries.
Problem (continued) Possible Solution (continued)