Projector Operation Problems; Led Problems - Optoma DV11 User Manual

Image is out of focus:
Make sure the lens cap is removed.
Make sure the projection screen is between the required distance
4.92 to 32.8 feet (1.5 to 10.0 meters) from the projector.
Image is too small or too large:
Adjust the zoom lever on the top of the projector.
Move the projector closer to or farther from the screen.
Press [4:3] / [16:9-I] / [16:9-II] / [Native] button on the remote
control or [Projector menu] on the projector panel, go to "Display--
>Format". Try the different settings.
Image has slanted sides:
As possible, reposition the projector so that it is centered on the
screen and below the bottom of the screen.
Press [Keystone +/-] button until the sides are vertical on the
remote control.
Image is reversed:
Select "System-->Projection" from the OSD and adjust the projec-
tion direction.

Projector Operation Problems

The projector stops responding to all controls:
If possible, turn off the projector, then unplug the power cord and
wait at least 20 seconds before reconnecting power.
Lamp burns out or makes a popping sound:
When the lamp reaches its end of life, it will burn out and may
make a loud popping sound. If this happens, the projector will not
turn on until the lamp module has been replaced. To replace the
lamp, follow the procedures in the "Replacing the Lamp" section
on page 55.

LED Problems

LED lighting message:
MAINTENANCE
DVD Projector 51
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