3.DSC OPERATION FOR
3.5Geographical Area Call
The geographical area call is for sending a call to all ships within the area you designate in your geographical area call. In the figure below, for example, the call will be sent to all ships within
Reference point 
34°N (For example,
34°N 140°W)
10°
24°N
140°W 5° 135°W
3.5.1Sending a geographical area call
1.Press the CALL key. The display changes from standby display to the COMPOSE MESSAGE screen and the CALL TYPE is displayed in reverse video.
2.Press the ENT key to open the call type list.
3.Rotate the CH knob (or press up / down arrow key) to choose AREA CALL and press the ENT key.
** Compose Message **
CALL TYPE : AREA CALL
AREA : 34° N 123° E ↓ 10° → 5°
ROUTINE
TCmd1 : SIMPLEX TP
TCmd2 : NO INFO
CH : 10
4. AREA is selected; presstheENTkey. |
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5.Using the numeric keys, enter latitude and longitude of reference point and southerly degrees and easterly degrees of area. To change coordinate, choose it and press the 1 key for North or East; 2 key for South or West. After entering data, push the ENT key.
6.ROUTINE is selected; press the ENT key.
7.Choose ROUTINE, BUSINESS, SAFETY, URGENCY, or DISTRESS as appropriate followed by pressing the ENT key.
