Garmin 821P 사용자 설명서

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Try adjusting the 

Color Adjustment 

setting on the Image menu. 

See page 54.

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Check your computer display settings to correct the color balance.

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If the image seems dark, the lamp may be nearing time for 
replacement. Check the lamp hours as described on page 61 and 
replace it, if necessary, as described on page 72.

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Press the 

 button on the remote control or projector to turn up 

the volume.

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If you’ve turned off the picture and sound, press the 

A/V Mute

 

button on the remote control to turn them on again.

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If you’re using a VCR or other video source, make sure its volume 
is not turned all the way down or muted. Also, make sure the 
cables are connected correctly, as described in Chapter 1.

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Make sure the audio cable is connected to the correct Audio port. 
See page 21. 

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If your presentation includes computer audio, make sure the 
volume control on your computer is not turned all the way down 
or muted. Make sure the audio cable is securely connected to both 
the projector and your computer’s   headphone jack or

 audio out jack. See page 21.

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The wrong source may be selected. Press the 

Source Search 

button on the projector—or the 

Comp 1

, 

Comp 2

, 

S-Video

, or 

Video

 button on the remote control—to select the correct source.