Furuno FS-1575 FS-2575 FS-5075 User Manual

5.  DSC GENERAL MESSAGE CALLING, RECEIVING

The purpose of a geographical area call is to send a call to all ships within the area 
you designate. In the figure below, for example, the call is sent to all ships within 24-
34°N, 135-140°W (QUADRANT) and 34°N, 140°W, range: 500 NM (CIRCLE).

1. Press the OTHER DSC MSG key.

2. Rotate the ENTER knob to select [MSG TYPE] then push the knob.
3. Rotate the ENTER knob to select [AREA MSG] then push the knob.

4. With [AREA CR] selected, push the ENTER knob.

5. Rotate the ENTER knob to select [CIRCLE] or [QUADRANT] then push the knob.

QUADRANT

CIRCLE

Reference point 
(For example, 
34°N, 140°W)

Reference point 
(For example, 
34°N, 140°W)

500 NM

34°N

10°

24°N

5°

140°W

135°W

CIRCLE setting window

QUADRANT setting window