Optoma RMC-25key - Manual (Page 45)

45
English
Appendices
Image has vertical flickering bar
 Use “Frequency” to make an adjustment. See page 35 for more
information.
 Check and reconfigure the display mode of your graphic card to
make it compatible with the projector.
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
1.6 to 12.1 feet (0.5 to 3.7 meters) from the projector. See page 17.
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 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
 Move the projector closer to or further from the screen.
 Press [Menu] button on the remote control or projector panel, go
to “Display  Format” and 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 [Keystone +/-] button on the remote control or press [
] on the projector panel, until the sides are vertical .
Image is reversed
 Select “Setup  Projection” from the OSD and adjust the
projection direction.
 Use of Keystone is
not recommended.