Icom IC-M421 - Page 39

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6
DSC OPERATION
New2001
6
DD
Transmitting a polling request call
Transmit a polling request call when you want to know a spe-
cific ship is in the communication area, etc.
q Push [MENU] to enter the DSC menu.
w Push [▲] or [▼] to select “Polling Request,” and
push [ENT].
e Push [▲] or [▼] to select the desired pre-programmed in-
dividual address or “Manual Input,” push [ENT].
• The ID code can be set in advance. (p. 16)
• When “Manual Input” is selected, set the 9-digit ID code
for the individual you wish to call with [▲] or [▼].
r Push [ENT] to transmit the polling request call.
• If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
t After the polling request call has been transmitted, the fol-
lowing indication is displayed.
y Push [CLR] to return to the previous indication before en-
tering the DSC menu.
• Even if [CLR] hasn’t been pushed, the display automatically re-
turns to the previous indication after 2 sec. of inactivity.
--DSC Menu--
Polling Request
TX Completed
Now Waiting for ACK
<CLR˘Exit>
Transmitting
--DSC Menu--
Polling Request
--DSC Menu--
Select Address
˘Manual Input
˘Bob
John ≥
<CLR˘Exit / ENT˘OK>
--DSC Menu--
POLL Request Ready
<CLR˘Exit / ENT˘OK>
Push
--DSC Menu--
Select Item
˘All Ships Call ≤
Position Request
Position Report
˘Polling Request ≥
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