Furuno 1834C-BB User Manual

Page of 233
1. OPERATIONAL OVERVIEW 
 
1-11
1.7  Entering the MOB Mark, Setting MOB as 
Destination 
The MOB mark functions to mark man 
overboard position. You can inscribe the 
mark from any mode except nav data, 
when playing back data or conducting 
any test. Note that this function requires 
position data. 
 
Note: The function of the SAVE/MOB 
key depends on the setting of SAVE 
MOB KEY FUNCTION in the GENERAL 
SETUP menu. The description below 
shows the procedure using the default 
setting. For further details, see Save 
MOB Key Function on page 7-2. 
 
1.  Press and hold down the SAVE/MOB key for about three seconds when someone falls 
overboard. 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 pressing the SAVE/MOB key. 
CONTINUE PUSHING 
FOR MOB!
   XX  SEC
XX = Time remaining is counted down.
   WAYPOINT SAVED!
          XXXWPT
   CONTINUE PUSHING
             FOR MOB!
MAN OVER BOARD!
GO TO MOB?
   YES ... PUSH ENTER KNOB
   NO   ... PUSH CLEAR KEY
XXX = Waypoint number
 
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 destination; 
• 
A full-screen radar, plotter or overlay appears depending on the display in use. (If the 
MOB key function is “MOB Without Confirmation” the range is automatically set to 
0.5 nm.) Further, the waypoint marker appears on the radar display. 
• 
The MOB mark “MOB” appears at the MOB position and a blue line 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. 
 
 
Man
overboard
  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