Icom IC-M220 - Page 36

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7
DIGITAL SELECTIVE CALLING (DSC)
D Sending a Position Request call/Polling Request call
(For only the USA version)
You can send a Position Request call or Polling request call to a station, depending on
the presetting.
Send a Position Request call when you want to know a specic ship’s current position.
Example: Sending a Position Request call
1. Push
OTHER DSC
.
• The “OTHER DSC” screen is displayed.
L You can also display the “OTHER DSC” screen by
selecting the “Other DSC” item on the Menu screen.
2. Select “Type,” and then push [ENT].
3. Select “Position,” and then push [ENT].
L When you send a Polling Request call, select
“Polling.”
• The message type is selected, and returns to the
“OTHER DSC” screen.
4. Select “Address,” and then push [ENT].
5. Select a target to send a Position Request call to, and
then push [ENT].
L You can also select “Manual Input” to manually enter
the target ID.
6. Push
CALL
to send the Position Request call.
• Position Request call is sent, and then “Waiting for
ACK” is displayed.
L If Channel 70 is busy, the transceiver stands by until
the channel becomes clear.
7. When you receive a Position Reply:
• An alarm sounds.
• The screen to the right is displayed.
8. Push
ALARM OFF
to turn OFF the alarm.
9. Push
CLOSE
.
• The received information is displayed.
10. Push [▲] or [▼] to scroll the screen, and then check
the targetʼs position.
11. Push
STBY
, and then
OK
to return to the operating
screen.