Garmin 74C 用户手册

Press the 

A/V Mute

 button on the remote control to turn off the 

image and sound and darken your screen. This is useful if you want to 
temporarily re-direct your audience’s attention without the distraction 
of a bright screen. 

■

To turn off the picture and sound, press the 

A/V Mute

 button. 

The screen goes dark.

■

To turn the image and sound back on, press the button again or 
press 

Esc

.

You can create an image, such as a company logo or a picture, to 
display on the screen whenever you press the 

A/V Mute

 button. See 

page 56 for more information.

Press the 

Freeze

 button to stop the action in your video or computer 

image and keep the current image on the screen. The sound will 
continue, however; and if you have connected an external monitor for 
simultaneous display, the action continues on the monitor even 
though it is paused on the screen.

Press the 

Freeze

 button again or press 

Esc

 to re-start it.

Follow these steps to zoom in on a portion of the image:

1. Press the 

E-Zoom

button on the remote control. 

You see a crosshair indicating the center of the zoom-in area.

2. Use the directional buttons to position the crosshair in the area 

you want to enlarge.

3. Continue pressing the 

E-Zoom

button to enlarge the selected 

area up to 4 times.

Zoom in

Zoom out

Freeze

Esc

A/V Mute