Troubleshooting - Optoma N3751K User Manual

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ADDITIONAL INFORMATION

Troubleshooting

If you experience a problem with your device, please refer to the following information. If a problem persists, please
contact your local reseller or service center.
No picture or sound.
Make sure all signal and power connections are properly connected.
Make sure the correct input mode is selected. Refer to the "Shortcut Menu" section.
Make sure the panel is not turned off.
Turn off the mute function.
Make sure the volume is not set to the minimum level.
The panel automatically shuts down.
Check whether there is a sudden power outage.
Make sure the power cord is not disconnected.
The signal is out of range
The signal may be incompatible. Refer to the "Supported Timing List" section.
If the remote control does not work
Check that the operating angle of the remote control is pointed within ±30° to the IR receiver on the
panel.
Make sure there are no obstructions between the remote control and the panel. The distance between
the remote control and the IR sensor window should not be longer than 8 meters.
Make sure batteries are inserted correctly and replace the batteries if they are depleted. Refer to the
"Installing/Replacing the Remote Control Batteries" section.
English 117

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This manual is also suitable for:

N3981kN3651kN3861kN3551k

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