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23
6
DSC OPERATION
u
After receiving the acknowledgment, reply using the micro-
phone.
25W
INT
TAG
Received
DistressACK
<Osaka Bay
<CLR˘
Beep Off>
CALLING
➥
A distress alert contains (default);
• Kind of distress : Undesignated distress
• Position data : The latest GPS or manual input position
data is held for 23.5 hours, or until the
power is turned OFF.
➥
The Distress call is repeated every 3.5 to 4.5 minutes, until
an ‘acknowledgement’ is received. (‘Call repeat’ mode)
➥
Push
[DISTRESS] to transmit a renewed Distress call,
if required.
➥
Push
[CLR] to transmit the Cancel Ack call, then cancel
the ‘Call repeat’ mode.
➥
“
??
” may blink instead of position and time displays
when the GPS data is invalid, or has not been manually
updated for 4 hours.
■
Transmitting DSC calls
To ensure correct operation of the DSC function, please
make sure you set the squelch correctly. (p. 8)
D
Transmitting an individual call
The Individual Call function allows you to transmit a DSC sig-
nal to only a specific ship.
q
Enter “
Individual Call
” in the DSC menu.
DSC Menu
➪
Individual Call
(Push
[MENU]) (Rotate [DIAL], then push [DIAL•ENTER].)
w
Rotate
[DIAL] to select the desired pre-programmed
individual address, or “
Manual Input
,” then push
[DIAL•ENTER].
• The ID code for the Individual call can be set first. (p. 16)
•
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 the next page.)
--DSC Menu--
Select Address
Manual Input
˘John
Paul
NOTE: When a base station is selected in step
w
, the voice
channel is automatically specified by the base station, then “
In-
dividual Call Ready
” will appear. Therefore, skip step
e
and go directly to step
r
.
☞
Continued on the next page.
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Summary of Contents for IC-M504A
Page 1: ...INSTRUCTION MANUAL iM504A VHF MARINE TRANSCEIVER ...
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