Humminbird 737 GPS Operation Manual page 45

Activate MOB navigation: Press and hold the GOTO key for more than 1.5 seconds to activate
the Man Overboard (MOB) function.
Cancel MOB navigation: From the Navigation X-Press™ menu, select Cancel MOB and press
the RIGHT Cursor key. Canceling MOB navigation removes the route and any waypoints
created using the GOTO key, but does not remove any saved routes from memory.
Target surrounding
MOB waypoint
Map Scale
MOB waypoint
DTG - Distance
to waypoint
MOB Navigation
36
Position where man
fell overboard
Elapsed time since
MOB was activated
Boat's current
position
XTE: Cross Track
Error. Distance
of Boat from Route
BRG - Bearing to
waypoint
Bearing of boat
relative to true north