Optoma Technology TX779P3D Audio, Message Reminders, There is no sound, The sound is distorted

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Message Reminders

Appendices

Message Reminders

4 Replacing the lamp:

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

Remote Control

If the remote control does not work

4 Check the operating angle for the remote control is approximately ±15°.

4Make sure there are no obstructions between the remote control and the projector. Move to within 7m (23 ft) of the projector.

4 Make sure the batteries are inserted correctly.

4 Replace weak batteries in the remote control.

Audio

There is no sound

4 Adjust the volume on the remote control.

4 Adjust the volume of the audio source.

4 Check the audio cable connection.

4 Test the source audio output with other speakers.

4 Have the projector serviced.

The sound is distorted

4 Check the audio cable connection.

4 Test the source audio output with other speakers.

4 Have the projector serviced.

55 English

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Contents Table of Contents Class B emissions limits Safety InformationImportant Safety Instruction Usage Notice English 9. See projector enclosure for safety related markingsPrecautions Do not Eye Safety Warnings Introduction Product FeaturesPackage Overview Main Unit Product Overview  Menu Control Panel  English    Rear View11 English Remote Control 13 English InstallationConnecting the Projector Connect to Computer / Notebook6. Video Cable Optional 7. Audio-in Cable Optional 8. VGA Cable Connect to Video Sources1. Power Cord 2. Audio-in Cable Optional 3. DVI-D Cable Optional 4. HDMI Cable Optional 5. S-Video Cable OptionalPowering On the Projector Powering On/Off the Projector15 English Warning Indicator Powering Off the Projector17 English Adjusting the Projected ImageAdjusting the Projector’s Height  Adjusting the Zoom / Focus 19 English Adjusting Projection Image SizeControl Panel User Controls21 English Remote ControlUser Controls On-screen Display Menus How to operate23 English Menu Tree Contrast ImageDisplay Mode BrightnessTint Color SettingImage ColorBias Image Color SettingsReset GainColor Temp Image AdvancedBrilliantColorTM Gamma29 English Image Advanced Input SourceFormat DisplayV Image Shift 169 only Edge maskZoom H Image ShiftMenu Location SetupLanguage ProjectionProjector ID SignalAudio Settings SecuritySetup Language Frequency Setup SignalPhase AutomaticSecurity Timer Setup Security37 English Change Passwordv If the new passwords do not match redisplaysEnable or disable the security password Security Settings4 Disabled-no password is required for any function Audio Input Setup Audio SettingsVolume MuteSetup Network 41 English Setup RS232Closed Captioning Setup AdvancedLogo Logo CaptureInformation Hide OptionsSource Lock High AltitudeBackground Color Lamp SettingsSleep Timer min Direct Power OnSignal Power On Auto Power Off minBrightness Mode Options Lamp SettingsLamp Hour Lamp Reminder47 English Lamp ResetLANRJ45 LANRJ4549 English 12. In the Address bar, input the IP address 13. Press Apply No image appears on-screen TroubleshootingAppendices ImageImage has vertical flickering bar Image is unstable or flickeringImage is out of focus Image has slanted sides The image is stretched when displaying 169 DVD titleOther Image is too small or too largeSteady light Projector LED Status IndicatorNo light The sound is distorted AudioMessage Reminders There is no soundReplacing the Lamp 57 English 1. Switch off the power to the projector by pressing the Power buttonCleaning the Lens Cleaning the ProjectorCleaning the Case Computer Compatibility Compatibility ModesRefresh Rate Hz Apple Mac Compatibility SignalIntel 1 2 3 4 6 7 8 RS232 CommandsRS232 Connector projector side 61 EnglishRS232 Commands RS232 Protocol Function ListASCII Keypad Command63 English FunctionOSD/Display ASCIIPass Fail65 English OSD/SetupOSD/Option 67 English RS232 commandResponse Response Ceiling Installation France Optoma Global OfficesCanada EuropeChina Latin AmericaTaiwan Hong KongFCC notice Regulation & Safety noticesDeclaration of Conformity for EU countries Operation conditionsNotice Canadian users Remarque à l’intention des utilisateurs canadiens