104 RC400 GPS Chartplotter
5.11 Man Overboard (MOB)
If a person or object is lost overboard, and you need to return to the
location, use the Man Overboard (MOB) function.
Note: To obtain MOB position, a valid GPS fix must be available.
➤ To initiate the MOB procedure from the Chart display, press and hold
the GOTO/MOB key for two seconds. The system performs the
following tasks automatically:
• Stops any GoTo or Follow operation
• Selects a
1
/
8
nm scale (even if cartography is not available)
• Marks the current position as a temporary waypoint with an MOB
symbol which replaces any current active waypoint and route
• Displays the MOB data box, showing the bearing and range to the
MOB position, the elapsed time since the MOB was initiated and
COG data
• Sends an MOB message, including bearing and range, to other units
in the system, via NMEA
Notes: (1) A “(c)” character following the position data (POS) indicates
that the vessel’s position has been User Calibrated. See Chapter 4, Set-
ting Up.
Notes: (2) The RANGE IN and RANGE OUT keys operate normally to
change chart scale.
➤ To cancel MOB, press and hold he GOTO/MOB key for 2 seconds.
The MOB symbol and data box are removed and the unit returns to
normal Chart mode.
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