Garmin EX21 Manuale Utente

You can use the Settings menu to lock the buttons on the projector, 
adjust audio volume, and customize several other features.

■

Keystone

 

Adjusts the shape of the image if the projector has been tilted 
upward or downward. If you notice that lines or edge look jagged 
after adjustment, decrease the 

Sharpness

 setting (see page 45).

■

Zoom

Adjusts the image size from 

Wide

 (larger) to 

Tele

 (smaller).

■

Control Panel Lock

Lets you disable all of the buttons on the projector, or all of the 
buttons except the Ppower button. See page 55 for more 
information.

■

Brightness Control

Lets you select from two levels of brightness. The 

Low

 setting 

reduces power consumption and projector noise, and extends the 
lamp’s operating life.

■

Volume

Raises or lowers the volume of the projector’s speaker.