InFocus LP 850, LP 840 manual Using the audio, Troubleshooting audio, Connecting external speakers

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Using the audio

To play sound from the projector, connect your source to the Audio In con- nector on the projector.

To adjust the volume, use the buttons on the keypad or remote.

To adjust the balance, or loudness, use the Audio menu (see page 35).

To mute the sound, press the Mute button.

Troubleshooting audio

If there is no sound, check the following:

Make sure the audio cable is connected.

Make sure mute isn’t active.

Make sure the volume is turned up enough. Press the volume button on the keypad or remote.

Make sure you are connected to the corresponding audio in for your source. Computer 1 and 3 share a single audio input. Computer 2 has its own audio input. Video 1, 2 and 3 share a single stereo input.

Adjust the audio source.

If playing a video, make sure the playback has not been paused.

Connecting external speakers

The projector can be attached to external speakers that have their own power source by plugging speaker cables into the projector’s Audio Out connector.

connect audio cable

adjust volume

volume

computer 1 and 3

computer 1

corresponding audio

audio in

 

 

audio in

 

computer

 

computer 3

computer in

audio out

external speakers

speaker cable

computer 2 and corresponding audio

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Contents USER’S Guide Trademarks Table of Contents Important Operating ConsiderationsPage Accessories Projector components and features backIntroduction Online RegistrationConnector Panel Positioning the projector Required computer connections Connecting a computerOptional computer connections Visit our website for information on ProjectorNet Displaying a computer image First-time projector use with Windows Wizard launches two times For Windows 2000, Windows ME, and Windows XPAdjusting the image Standard video connections Connecting a video deviceOptional video connections Connect BNC cables Displaying a video image You can also adjust the zoom and focus via the menus. See Troubleshooting your setup Power SaveShutting down the projector Screen SaveSolution Computer image projectedRange Out Image clear and not cropped Page Color Lamp won’t turn on, Lamp LED blinking red Lamp won’t turn on, Temp LED solid redLamp must be replaced Lamp turns on Still having problems? Using the keypad buttons Using the remote control Troubleshooting the remoteTroubleshooting audio Using the audioConnecting external speakers Presentation features Optimizing computer imagesOptimizing video images Customizing the projectorUsing the menus Picture menu Presets Advanced settings Settings menu Save Screen PiP Enable PiP Position Effect Key Network Cleaning the lens MaintenanceChanging the lens Lamp module is on the right Resetting the lamp timer Using the security lock Cleaning the dust filterTroubleshooting Appendix Projected image sizeDistance Image Width 2.3 25/7.6 LED Behavior LED color/behavior MeaningRS-232 commands Communication ConfigurationCommand Format Setting ValueError Conditions Limitations= Japanese = Korean = Portuguese = Russian = Norwegian NND Ntsc Function Com Min Max Step Mand Fault Numerics Page XGA Limited Warranty Warranty Limitation and ExclusionTo Be Eligible For Limited Warranty Coverage Limited Warranty PeriodTo Obtain Warranty Service If YOU Need ASSISTANCE… USER’S Guide
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