Navigation; Waypoints, Routes And Tracks - Humminbird 161 Operation Manual

Depth
BRG: Bearing
Waypoint
to Waypoint
XTE: Cross
Track Error.
Distance of
Boat from
Route
Bearing of
Route
Boat with
DTG: Distance
Track
Respect to
to Go to
True North
Waypoint
Water Surface
Temperature
Speed of Boat