Optoma Technology TXR774 manual Message Reminders, There is no sound, Sound is distorted

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Appendices

Message Reminders

Replacing the lamp:

Out of range: (see the following for more information)

Remote Control Problems

If the remote control does not work

Check the operating angle for the remote control is approxi- mately ±15°.

Make sure there are no obstructions between the remote control and the projector. Move to within 7m (23 ft) of the projector.

Make sure the batteries are inserted correctly. Replace weak batteries in the remote control.

Audio Problems

There is no sound

Adjust the volume on the remote control.

Adjust the volume of the audio source.

Check the audio cable connection.

Test the source audio output with other speakers.

Have the projector serviced.

The sound is distorted

Check the audio cable connection.

Test the source audio output with other speakers.

Have the projector serviced.

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Contents Table of Contents Important Safety Instruction Safety InformationHFHSWSURSHUO\TXDOLÀHGVHUYLFHSHUVRQQHO Precautions RQW UDWKHUWKDQSODFLQJLWRQÁRRURUWDEOHWRS Eye Safety WarningsIntroduction Product FeaturesRCA Package OverviewMain Unit Product OverviewControl Panel Rear View Remote Control Connect to Computer / Notebook Connecting the ProjectorConnect to Video Sources Powering On the Projector Powering On / Off the ProjectorThecoolingfanscontinuetooperateforabout10secondsforcooling Powering Off the ProjectorAdjusting the Projector’s Height Adjusting the Projected ImageAdjusting Projection Image Size Adjusting the Zoom / Focus 0.7 XGA SeriesHeight Width Adjusting the Zoom / Focus 0.55 XGA SeriesAdjusting the Zoom / Focus 0.65 Wxga Series User Controls Control Panel & Remote ControlRemote Control DVI-I On-screen Display Menus How to operateMenu Tree Contrast Display ModeImage BrightnessAdvanced Color SettingSaturation TintBias Image Color SettingReset GainImage Advanced Image Advanced Input Source Format DisplayImage Shift 169 only OverscanZoom Image ShiftMenu Location SetupLanguage ProjectionAudio SignalSecurity Projector IDSetup Language Phase Setup SignalPosition Security Timer Setup SecurityChange Password Enable or disable the security password Security SettingAudio Input Setup AudioVolume MuteClose Caption Setup AdvancedLogo Logo CaptureNetwork Setup NetworkInformation Hide OptionsSource Lock High AltitudeKeypad Lock Lamp SettingBackground Color Options Advanced Direct Power OnAuto Power Off Sleep TimerLamp Reminder Options Lamp SettingBrightness Mode Lamp HourLamp Reset LANRJ45 LANRJ45 RJ45 models onlyClick Properties User Controls Image Problems TroubleshootingPDJHLVXQVWDEOHRUÁLFNHULQJ Image is stretched when displaying 169 DVD title Intermission ProblemsProjector Status Indication There is no sound Message RemindersSound is distorted Replacing the Lamp Cleaning the Lens Cleaning the ProjectorComputer Compatibility Compatibility ModesApple Mac Compatibility RS232 Commands RS232 Protocol Function List RS232 Commands6LJQDO UHTXHQF\ VG a Ceiling Installation 2SWRPD*OREDO2IÀFHV Latin America FCC notice Regulation & Safety noticesDeclaration of Conformity for EU countries Operation conditions