Icom IC-M504A Instruction Manual page 40

Vhf marine transceiver
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6
DSC OPERATION
D Test call
Testing on the exclusive DSC distress and safety calling
channels should be avoided as much as possible. When test-
ing on the distress/safety channel is unavoidable, you should
indicate that these are test transmissions.
Normally the test call would require no further communica-
tions between the two stations involved.
q Enter "Test Call" in the DSC menu.
DSC Menu
(Push [MENU])
w Rotate [DIAL] to select the desired pre-programmed
individual address, or "Manual Input," then push
.
When "Manual Input" is selected, set the 9 digit MMSI ID
code for the individual you wish to call with [DIAL]. (See 'About
Manual Inputting' as described on page 24.)
played.
34
Test Call
(Rotate [DIAL], then push
, "Test Call Ready" is dis-
--DSC Menu--
Select Address
Manual Input
John
˘Paul
George
<CLR ˘ Exit / ENT ˘ OK>
.)
e Push
If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
r After the Test call has been transmitted, the display auto-
matically returns to the previous screen (before you en-
tered the DSC menu).
--DSC Menu--
Test Call Ready
<CLR ˘ Exit / ENT ˘ OK>
to transmit the Test call.

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