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Marking an MOB
The GPS 40’s man overboard function (MOB)
lets you simultaneously mark and set a course to a
position for quick response to passing positions.
To activate the MOB mode:
1. Press the
G
key twice.
2. The Navigation Page will appear with the default
GOTO waypoint ‘MOB’ as the destination.
3. Press the
E
key to confirm the MOB entry.
The Navigation Page will now guide you to the
MOB waypoint position.
The graphic ‘highway’ provides visual steering
guidance to the MOB waypoint. The moving arrow
just below the course deviation scale always points
to your selected waypoint relative to the direction
you are moving.
Your present position is represented by the dia-
mond in the center of the course deviation scale.
The line down the middle of the highway is your
desired track. As you head toward a waypoint, the
highway will move indicating the direction and
distance you are off course, relative to the position
diamond on the CDI scale. To keep yourself on
course, steer toward the center of the highway.
If you want to save the MOB waypoint, be sure
to rename it, as it will be overwritten the next time
a MOB is executed.
26
Bearing to
MOB
Speed
Over
Ground
Velocity
Made
Good
Estimated
Time of
Arrival
Present
Track
Distance to
MOB
Reference
MOB Function
40 rev B 8/6/98 1:46 PM Page 26