Optoma EW1610 User Manual page 45

 Use of Keystone is
not recommended.
Image is out of focus
Make sure the lens cap is removed.

Adjust the Focus Ring on the projector lens.

Make sure the projection screen is between the required distance

3.9 to 39.4 feet (1.2 to 12.0 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 you play the LBX format DVD title, please change the format as
LBX 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 Ring on the top of the projector.

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 until the sides

are vertical on the remote control.
Image is reversed
Select "Setup  Projection" from the OSD and adjust the

projection direction.
Appendices
45
English