Following a route
1
Select NAV > Follow route�
2
Select a route�
3
Select an option:
• To follow the route, select Activate�
• To follow the route in reverse, select Invert and Activate�
Follow the on-screen directions to your destination, steering to avoid obstacles
and hazards�
Following a Track
Before you can, follow a track, you must record a track
1
Select NAV > Follow Track�
2
Select a track�
3
Select an option:
• To follow the track, select Original�
• To follow the track in reverse, select reverse�
Using Man Overboard
You can use the man overboard feature to mark a waypoint and instantly begin
navigating back to that waypoint�
Select MOB > Yes�
Stopping Navigation
Before you can stop navigation, you must be navigating to a waypoint or following a
route or track�
Select NAV > Stop Navigation�
6
Viewing Celestial Information
1
2
3
(page
7)�
4
Viewing GPS Information
Viewing the Calendar
Applications
Select MeNU twice�
Select Celes�
In the At field, select an option:
• To view celestial information for your current location, select Current
Position�
• To view celestial information for a saved waypoint, select Waypoint, and
select a saved waypoint�
• To view celestial information for a location that is not a saved waypoint,
select Other Position, and select the location on the map�
In the On field, enter the date and time for which you want to view celestial
information�
To view information about GPS satellites, select GPS in the main menu�
To view the calendar, select Calen in the main menu�
GPS 158 Owner's Manual
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