Optoma TX615-3D User Manual page 50

Appendices
 Use of Keystone is
not recommended.
50
English
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.

See page 7.
The image is stretched when displaying 6:9 DVD title
When you play anamorphic DVD or 6:9 DVD, the projector will

show the best image when the projector display mode is set to
6:9 in the OSD.
If you play 4:3 format DVD titles, please change the format to 4:3

in the 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 6:9 (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 horizontally

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.