Furuno gd-1700c Manuel D’Utilisation

3. RADAR OPERATION 

 
 

The guard alarm allows the operator to set the desired range and bearing for a 
guard zone. When ships, islands, landmasses, etc. violate the guard zone, an 
audio alarm sounds and the offending target blinks to call the operator’s 
attention. 

• 

• 

To set a guard alarm zone, set the radar to transmit and do the following: 
 
1.  Press the [ALARM] key. 
2.  Use the cursor pad to set the cursor on the top left corner (or top right corner) 

of the guard zone you want to set, then press the SET GUARD1 or SET 
GUARD2 soft key, depending on which guard zone you want to set. 

3.  Use the cursor pad to set the cursor on the bottom right corner (or top left 

corner) of the guard zone area, then push the [ENTER] knob.   

4.  Press RETURN soft key to finish. 

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NO ALARM

(1) Drag cursor to top (or bottom) corner
for guard zone and press the SET
GUARD1 or SET GUARD2 soft key. 

(2) Drag cursor diagonally to bottom (or top) 
corner for guard zone and press the [ENTER]
knob. 

MOVE +CURSOR TO
ANOTHER CORNER OF
GUARD1 AND PUSH 
KNOB TO SET.

SET
GUARD1

ERASE
GUARD1

SET
GUARD2

RETURN

+

+

SET
GUARD1

SET
GUARD2

RETURN