Optoma Home Theatre Projector - Manual (Page 57)

Appendices
55
English
Image is out of focus
 Make sure the Lens cap is removed.
 Adjusts the Focus Ring on the projector lens.
 Make sure the projection screen is between the required
distance 4.9 to 39.4 feet (1.5 to 12.0 meters) from the
projector See page 24.
The image is stretched when displaying 16:9 DVD title
When you play anamorphic DVD or 16:9 DVD, the projector will
show the best image in 16:9 format on projector side.
If you play the LBX format DVD title, please change the format as
LBX in projector OSD.
If you play 4:3 format DVD title, please change the format as 4:3 in
projector OSD.
If the image is still stretched, you will also need to adjust the aspect
ratio by referring to the following:
 Please setup the display format as 16:9 (wide) aspect ratio type
on your DVD player.
Image is too small or too large
 Adjust the zoom lever on the top of the projector.
 Move the projector closer to or further from the screen.
 Press [4:3], [16:9], [Letter Box], [Native] button on the
remote control or [Menu] on the projector panel, go to
“Display-->Format”. Try the different settings.
Image has slanted sides:
 If possible, reposition the projector so that it is centered on the
screen and below the bottom of the screen.
 Press [Menu] button, go to System -->Projector -->V Keystone
to adjust until the sides are vertical on the remote control.
Image is reversed
 Select “System-->Projector-->Projection” from the OSD and
adjust the projection direction.
Intermission Problems
The HD81-LV 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.
 Use of Keystone is
not recommended.