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1. OPERATIONAL OVERVIEW
1-15
1.7 Entering the MOB Mark, Setting MOB as
Destination
The MOB (Man Overboard) mark functions to mark man overboard position. You
can inscribe this mark from any mode, except while playing back data or
conducting any test. Note that this function requires position data.
Man
overboad
Range, bearing
Current
position
MOB
mark
MOB Data Box
Bearing and range
to MOB position
M
(MOB)
M
O
B
162.5°M
0.49 nm
MOB concept
1. Press and hold down the [SAVE/MOB] key immediately for about three
seconds when someone falls onboard. The display shows the waypoint
number being saved (youngest empty waypoint number, 001-999) followed
by the MOB confirmation window.
Time remaining is counted down while the [SAVE/MOB] key is pressed.
MAN OVER BOARD!
GO TO MOB?
YES ... PUSH ENTER KNOB
NO ... PUSH CLEAR KEY
WAYPOINT SAVED!
XXXWPT
CONTINUE PUSHING
FOR MOB!
XXX = Waypoint number
CONTINUE PUSHING
FOR KNOB!
XX SEC
XX = Time remaining is couted down.
MOB mark messages
2. Push the [ENTER] knob to select the MOB position as the destination, or
press the [CLEAR] key to only mark current ship’s position as a waypoint. If
you select the MOB position as the destination;
• A full-screen radar, plotter or overlay (color model only) appears depending
on the display in use.
• The MOB mark “MOB” appears at the MOB position and a line (light-blue
on the GD-1700C/1710C) runs between it and current position. This line
shows the shortest course to the MOB position.
• Range and bearing to the MOB position are shown in the MOB data box.
To erase an MOB mark from the plotter display, you must first erase its
corresponding waypoint. Place the cursor on the MOB mark, then press the
[CLEAR] key followed by pushing the [ENTER] knob to erase the waypoint. Then,
repeat to erase the MOB mark.