DeLorme Topo North America 10.0 User Manual page 246

Topo USA User Guide
Recalculate when off route–Automatically recalculates the route by the

designated threshold distance (100 ft, 200 ft, 300 ft, 400 ft, or 500 ft) when
the GPS is off of the route.
Display GPS overview (2-D only)–When selected, opens the GPS overview

window after the GPS is connected. You can
overview
in 3-D.
Disable screen saver–Overrides the system screen saver so that the display

stays activated during GPS tracking.
GPS Options
Start GPS with the program–Automatically starts GPS tracking each time

you open the program.
Automatically detect GPS–Automatically sets up your GPS connection.

Suggestion: If your GPS receiver has a USB cable, select Automatically Detect
GPS to ensure the correct COM port is detected for your device and that a
connection can be made.
Enable WAAS use (USB Earthmate)–Enables WAAS use.

Enable LED on GPS device (USB Earthmate)—Turns on the LED on the

Earthmate. When the check box is cleared, the LED does not display.
To Initialize Your GPS Receiver
If you are using a non-DeLorme Earthmate GPS receiver, you must initialize it before you
use it. The initializing process can take several minutes before the program detects the
correct communications (COM) port and updates the current settings. Use the following
procedure to initialize your GPS receiver for use with your application.
1. Connect your GPS receiver to your computer, set the receiver to the mode specified
in your user manual, and then turn the on receiver, if necessary.
2. Click the GPS tab and then click Clear Trail to delete any GPS points from the
current map display.
3. Click the Options button
Options) and then click the GPS tab.
OR
Click the GPS tab and click the Options button
232
areas. The overview map does not display when you use NavMode
on the toolbar (or click the menu arrow and click
adjust the size of the map and
.