Optoma ZU725T 7800-Lumen WUXGA Laser DLP Projector - Manual (Page 76)

English 76
ADDITIONAL INFORMATION
Troubleshooting
If you experience a problem with your projector, please refer to the following information. If a problem persists,
please contact your local reseller or service center.
Image problems
No image appears on-screen
‡ Ensure all the cables and power connections are correctly and securely connected as described in the
Setup and Installation section.
‡ Ensure the pins of connectors are not crooked or broken.
‡ Ensure that the Shutter (AV Mute) feature is not turned on.
Image is out of focus
‡ Press the Focus ▲ or Focus ▼ button on the remote control or projector keypad to adjust the focus
until the image is sharp and legible.
‡ Make sure the projection screen is between the required distance from the projector. (Please refer to
Image size and projection distance page 96 ).
The image is stretched when displaying 16:10 DVD title
‡ When you play anamorphic DVD or 16:10 DVD, the projector will show the best image in 16:10 format
on projector side.
‡ If you play 4:3 format DVD title, please change the format as 4:3 in projector OSD.
‡ Please setup the display format as 16:10 (wide) aspect ratio type on your DVD player.
Image is too small or too large
‡ Press the Zoom or Zoom button on the remote control or projector keypad to adjust the
projected image size.
‡ Move the projector closer to or further from the screen.
‡ From the OSD menu, select Display > Aspect Ratio to change the aspect ratio.
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 the Keystone / / / buttons on the remote control to adjust the screen shape.
Image is reversed
‡ From the OSD menu, select Device Setup > Projection > Rear to reverse the image so you can
project from behind a translucent screen.
Other problems
The projector stops responding to all controls
‡ If possible, turn off the projector, then unplug the power cord and wait at least 20 seconds before
reconnecting power.
Remote control problems
If the remote control does not work
‡ Check that the operating angle of the remote control is pointed within ±30° to the IR receivers on the
projector.
‡ Make sure there are not any obstructions between the remote control and the projector. Move to within
20 meters (65.6 feet) of the projector.
‡ Make sure batteries are inserted correctly.
‡ Replace batteries if they are exhausted.