Introduction to Navigation
Use the 500 Series™ Fishfinder to establish waypoints at areas of interest and to navigate to those waypoints via a savable route (representing the shortest intended distance between waypoints). You can also view and save tracks, which represent the actual path of the boat.
Waypoints, Routes and Tracks
Waypoints are stored positions that allow you to mark areas of interest or navigation points. Your Fishfinder can store up to 3000 waypoints.
Depth
Route
XTE: Cross
Track Error.
Distance of
Boat from
Route
DTG:
Distance to
Go to
Waypoint
Water 
Surface
Temperature
Waypoints, Routes and Tracks
Waypoint
Track
BRG: Bearing to Waypoint
Bearing of
Boat with
Respect to
True North
Speed of Boat
Routes link two or more waypoints together to create a path for navigation, and are used in trip planning. You can link individual waypoints together by using the GOTO key. A route represents your intended navigation and shows the shortest path from each waypoint to the next. As you travel a route, staying on the route line is the most efficient way to get to your destination, although you should always look out for obstacles not shown on the chart. Your Fishfinder can store up to 50 routes that can each contain up to 50 waypoints.
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