Optoma X306ST User Manual page 57

 Use of Keystone
is not recom-
mended.
Image is out of focus
Make sure the lens cap (optional) is removed.

Adjust the Focus Ring on the projector lens.

Make sure the projection screen is between the required distance.

See pages 19-20.
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 when the projector display mode is set to
16:9 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 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, 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.
Appendices
57
English