Garmin 74C 用户手册

You may need to set up your system to display on the projector screen 
as well as the LCD screen. Follow these steps:

1. From the Apple menu, select 

Control Panels

, then click 

Monitors

 or 

Monitors and Sound.

2. Click the 

Arrange

 icon.

3. Drag one monitor icon on top of the other. 

If the 

Arrange

 option isn’t available, you may need to select one of 

the Simulscan resolution settings:

1. Click the 

Monitor

 icon, if necessary. 

2. Select a 

Simulscan

 resolution as shown. (Allow a few seconds for 

the projector to sync up after making the selection.)

Click here

Drag one 
monitor icon on 
top of the other

Click here

Select a 
Simulscan 
resolution