Icom IC-M502A [26/74] Dsc operation

Icom IC-M502A [26/74] Dsc operation
20
6
DSC OPERATION
y Push
[
[
DISTRESS
DISTRESS
]
] for 5 sec. to transmit the Distress call.
u After transmitting the call, the transceiver waits for an ac-
knowledgment call on Ch 70.
The Distress call is automatically transmitted every 3.5 to 4.5
minutes.
i After receiving the acknowledgment, reply using the mi-
crophone.
A distress alert contains;
Kind of distress : Selected nature of the distress.
Position data: GPS or manual input position data held for 23.5
hrs or until the power is turned OFF.
The Distress call is repeated every 3.5–4.5 min., until re-
ceiving an ‘acknowledgement.’
Push
[
[
DISTRESS
DISTRESS
]
] to transmit a renewed Distress call,
if required.
Push any key (except
[
[
DISTRESS
DISTRESS
]
]) to cancel the ‘Call
repeat’ mode.
??” may blink instead of position and time indications
when the GPS data is invalid, or has not been manually
updated after 4 hours.
<TokyoCG
DistressACK
Received
Distress
Completed
WaitforACK
SetisOK
Push[DTRS]
for5sec

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