Receiving Dsc Calls; Receiving A Distress Call - Icom IC-M504A Instruction Manual

Vhf marine transceiver
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D Transmitting a Test Ack call
Transmit a Test Acknowledgement call when a Test call is re-
ceived.
q Enter "Test ACK" in the DSC menu.
Test ACK" item appears after a Test call is received.
DSC Menu
Test ACK
(Push [MENU])
(Rotate [DIAL], then push
w Rotate [DIAL] to select the desired individual address or
ID code, then push
played.
--DSC Menu--
Select Address
˘John
<CLR ˘ Exit / ENT ˘ OK>
e Push
to transmit the Test Ack call.
If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
r After the Test Ack call has been transmitted, the display
automatically returns to the previous screen (before you
entered the DSC menu).
.)
.
, "Test ACK Ready" is dis-
--DSC Menu--
Test ACK Ready
<CLR ˘ Exit / ENT ˘ OK>

Receiving DSC calls

D Receiving a Distress Call
When a Distress Call is received:
The emergency alarm sounds.
"
" and the LCD backlight blink.
[CLR] to stop the beeps and the backlight blinking. ("
continues to blink.)
"Received Distress" appears on the display, then
Channel 16 is automatically selected.
This action can be changed, depending on the combi-
nation of the Auto Switch function and Auto Tune timer
settings. See pages 46 and 47 for more details.
Continue monitoring Channel 16 as a coast station may
require assistance.
25W
TAG
Received
Distress
<Paul
<CLR ˘
Beep Off>
6
DSC OPERATION
INT
CALLING
1
2
3
4
5
"
6
7
8
9
10
11
12
13
14
15
16
35

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