Garmin 720C Manuale Utente

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If you’re displaying a computer image, use the 

Color Mode 

option in the projector’s Video menu to adjust the color. If you’re 
displaying video, adjust the 

Color

, 

Tint

, and 

Gamma

 settings on 

the Video menu. 

■

Try adjusting the 

Color Temp 

setting on the Advanced menu.

■

Check your computer display settings to correct the color balance.

■

Try turning up the volume (see page 42). 

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If you’re using a VCR or other video source, make sure the 
volume on your VCR 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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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 14 (for laptops) or Appendix A (for 

other systems).

■

Make sure the Windows volume controls on your computer are 
not turned all the way down or set to Mute. Check this by 
clicking the volume control in your Windows System Tray (lower 
right corner of the screen). 

■

Make sure the 

A/V Mute

 button is not enabled.

■

The wrong source may be selected. Press the 

Source 

button on 

the projector—or the 

Computer

 or 

S-Video/Video

 button on 

the remote control—to select the correct source.   

720-730.book  Page 68  Thursday, October 30, 2003  11:32 AM