Garmin 821P Manual De Usuario

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The attached computer may be in sleep mode or displaying a 
black screen saver. Try pressing a key on the computer.

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If you’re projecting from a video source, press the 

Play

 button on 

your video equipment.

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Make sure the VGA computer cable is connected to your 
computer’s video port and the projector’s 

Computer1/Component Video1

 port. It will not work if you 

connected the computer cable to the projector’s 

Computer2/Component Video2

 port.

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Make sure the cable from your monitor is connected to the 
projector’s 

Monitor Out

 port.

No Signal

■

Make sure the cables are connected correctly, as described in 
Chapter 1.

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Make sure the power to your computer or video source is 
turned on.

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If you’ve connected a computer and one or more video sources, 
you may need to 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. Allow a few 
seconds for the projector to sync up after pressing the button.

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If you’ve connected a notebook computer, make sure it’s set to 
display on an external monitor. See page 33.