
Astro and DC 40 Owner’s Manual
GPS Applications
Highway
navigating with the Highway
Page
1. From the main menu, select
Advanced
>
GPS Applications
>
Highway
.
Your course is a center line
➊
down
the middle of the map. Your route is
a magenta line
➋
.
➋
➊
2. If necessary, press
IN
or
OUT
to
zoom in or out on the map.
Proximity Alarms
You can define an
alarm radius around
a marked location. A tone sounds when
you enter the designated radius.
Adding a Proximity Location
1. From the main menu, select
Advanced
>
GPS Applications
>
Proximity
.
2. Select an empty line.
3. Select a category.
4. Select a marked location.
5. Select
Use
.
6. Enter a value for the proximity
radius.
Activating the Proximity Alarm
1. From the main menu, select
Advanced
>
GPS Applications
>
Proximity
>
Proximity Alarm
Tones
.
2. Select a tone for each alarm.