Troubleshooting - Optoma 4K500 User Manual

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
"Installation" section.
‡ Ensure the pins of connectors are not crooked or broken.
‡ Check if the projection lamp has been securely installed. Please refer to the "Replacing the Lamp"
section.
‡ Ensure that the "AV Mute" feature is not turned on.
Image is out of focus
‡ Use the Focus button on the projector keypad to adjust focus. (Please refer to page 16).
‡ Make sure the projection screen is between the required distance from the projector. (Please refer to
page 49).
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 the LBX format DVD title, please change the format as LBX in projector OSD.
‡ If you play 4:3 format DVD title, please change the format as 4:3 in projector OSD.
‡ Please setup the display format as 16:9 (wide) aspect ratio type on your DVD player.
Image is too small or too large
‡ Adjust the digital zoom.
‡ Move the projector closer to or further from the screen.
‡ Press "Menu" on the projector panel, go to "Display-->Aspect Ratio". 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.
‡ Use "Display-->Image Shift" from the OSD to make an adjustment.
Image is reversed
‡ Select "Setup-->Projection" from the OSD and adjust the projection direction.
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