Eagle 640c 用户指南

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the arrow keys — 

 command — or by setting the track

and speed in the dialog boxes provided on the simulator menu screen.

To get to the GPS Simulator:
1. Press 

|

|

↓ to 

|

.

2. Press 

↓ to 

|

. The GPS Simulator Menu appears.

  

  

GPS Setup Menu (left). GPS Simulator menu (center).

Map Page showing Steer with Arrows dialog boxes (right). The trav-

eler is  following a track of 144º at a speed of 71 miles per hour.

Choose the desired settings, then turn on the simulator by highlighting
the 

 box and pressing 

. Press 

 repeatedly to get

back to the main page display. A message and tone appear periodically
to remind you the simulator is on. To turn off the simulator, repeat the
steps above or turn off the unit.

If you selected the Steer with Arrows command and want to remove the
dialog boxes from the screen, press 

.  That will clear the track and

speed boxes without disrupting the simulation and allow you to use the
map cursor.

Simulating Trail or Route Navigation
In Simulator mode, your unit can automatically follow a trail or route
without manual steering if you use these steps:

1. From the Map Page, go to the simulator menu. Pick a 

 at or near the beginning of your trail/route. Enter an approximate

 (shown in compass degrees) that will point you toward the start

of the trail/route.

2. Set 

 to zero. Select 

 command and press 

,

which turns on the simulator and returns you to the Map Page.

3. Begin navigating along the trail/route. (If you are close enough to the
first waypoint, the arrival alarm will usually go off as soon as naviga-