Optoma Technology TX771, EP771RFBA manual Remote Control Problems, Audio Problems

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Appendices

Remote Control Problems

Problem: The projector does not respond to the remote control

1.Direct the remote control towards remote sensor on the projector.

2.Ensure the path between remote and sensor is not obstructed.

3.Turn off any fluorescent lights in the room.

4.Check the battery polarity.

5.Replace the batteries.

6.Turn off other Infrared-enabled devices in the vicinity.

7.Have the remote control serviced.

Audio Problems

Problem: There is no sound

1.Adjust the volume on the remote control.

2.Adjust the volume of the audio source.

3.Check the audio cable connection.

4.Test the source audio output with other speakers.

5.Have the projector serviced.

Problem: The sound is distorted

1.Check the audio cable connection.

2.Test the source audio output with other speakers.

3.Have the projector serviced.

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Contents Table of Contents Table of Contents Usage Notice PrecautionsPower Safety Main Features Introduction Packing ChecklistViews of Projector Front-right View3 4 5 6 Top view-On-screen Display OSD buttons and LEDsRE-SYNC VGA OUT Rear viewLabel Description Bottom view Remote Control DVI Projector and Remote Control Buttons Remote Control Operating RangeInserting the Remote Control Batteries Connecting Input Devices Setup and OperationSetup and Operation Starting and Shutting down the Projector Setup and Operation Setting an Access Password Security Lock Setup and Operation Adjusting the Projector Level Adjusting the Volume Adjusting the Zoom, Focus and KeystoneOSD Menu Controls Navigating the OSDSetting the OSD Language OSD Menu Overview Menu SettingImage Menu RGB DVI Image Menu Functions Available for Connected SourceDisplay Menu Display Menu Functions Available for Connected Source Setup Menu Setup menu functions are available to all video sources Setup Menu Functions Available for Connected Source Color setting Menu 繁體中文 Language MenuManagement Menu Menu Setting Replacing the Projection Lamp AppendicesAppendices Appendices Resetting the Lamp Using the Kensington Lock Cleaning the ProjectorTips for Troubleshooting Common problems and solutionsAppendices LED Error MessagesLamp Problems Image ProblemsAudio Problems Remote Control ProblemsOptoma Global Offices Having the Projector ServicedProjection Distance V.S. Projection Size SpecificationsSignal Resolution Frequency H Video Digital Analog Timing Mode TableProjector Dimensions Regulatory Compliance Copyright