Dukane 28A8757 user manual Using the audio, Troubleshooting audio, Connecting external speakers

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Using the audio

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 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 that if you are connected to Computer 1 on the back of the projector, that you are also connected to the corresponding audio in. If you are connected to Computer 2, be sure you are connected to its cor- responding audio in.

Adjust the audio source.

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

connect audio cable

adjust volume

computer 1 and corresponding audio

 

 

 

computer 2 and

computer 1

audio in

computer 2

corresponding audio

 

 

 

audio in

 

 

 

computer in

 

 

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 left and right Audio Out connectors.

 

 

video

R

 

audio in

Y

 

computer 1

computer 2

s-video

 

external

 

R

 

audio in

Pr

L

 

Pb

 

computer in

audio in

 

 

L

 

speakers

 

 

 

speaker cable

monitor network

serial control

audio out

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Contents Audio Visual Products USERS MANUAL MODEL 28A8757Page Declaration of Conformity Safety CertificationsRemote Control Warning TrademarksTable of Contents Important Operating ConsiderationsCables IntroductionIncluded items Projector components and features networkOptional computer connections Connecting a computerRequired computer connections nector on the projector Displaying a computer image ? No startup screen? Get help on pageFirst-time projector use with Windows The Wizard launches three times Skip this page if you did not connect a USB mouse cableFor Windows For Windows 2000, Windows ME, and Windows XPAdjusting the image Optional video connections Connecting a video deviceStandard video connections adjust distance Displaying a video imagepress Power elevatorand sharpness are produced Power Save Troubleshooting your setupShutting down the projector Screen SaveSolution Source troubleshootingProblem Plug power cable in and remove lens caprange No computer image, just the words “Signal out of range”Signal Image fuzzy or cropped For a laptop, disable laptop monitor or turn-on dual- display modeRemote control not controlling my computer’s mouse Image clear and not croppedAdjust Sharpness in the PictureAdvanced Projector troubleshootingAdjust keystone on keypad Image not squareImage does not fit 169 screen Image upside down Turn off Ceiling in SettingsSystem menuTurn off Rear in SettingsSystem menu Image reversed left to rightCOLOR Adjust color, tint, color temperatureCOLOR Change Video Standard inLamp must be replaced page Move projector, adjust zoom, adjust heightadjust horizontal or vertical position in PictureAdvanced menu Lamp turns onUsing the keypad buttons Regarding this projectorUsing the remote control Troubleshooting the remoteConnecting external speakers Using the audioTroubleshooting audio Presentation features Optimizing computer imagesOptimizing video images Customizing the projectorUsing the menus Picture menu Presets The provided Presets optimize the projector for displaying com Advanced settings Settings menu Blank shows an empty screen Mute turns off all sound Service Maintenance Cleaning the lensReplacing the projection lamp Resetting the lamp timer WARNINGSUsing the security lock computer inAppendix SpecificationsAccessories DimensionsDistance to screen Projected image sizeOptional Accessories DiagonalNumerics Page temperature limits 38 Tint 13 Troubleshooting 14 USB, using your mouseVideo connector 11 video images optimizing VESA port 6 Video button 12 video connections optional 11 standardLEGAL INFORMATION FIVE-YEAR LIMITED WARRANTYSERVICE & REPAIR 584-5156 Parts & Service676-2486 676-2487