Optoma EP721 User Manual

43

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 

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 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 until the sides are vertical on the 

remote control.

 Image is reversed



 Select “Setup  Projection” from the OSD and adjust the  

projection direction.



Use of Keystone is 

not recommended.