Icom IC-M602 Instruction Manual page 34

6
DSC OPERATION
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 2 sec., the transceiver is set to Channel 16 automat-
ically.
BUSY-25W---INT---CALL
LOCAL--DUP
SCRAM--TAG
NORMAL-SCAN
Wait ACK
-34"34.506N
<CLR˘
Cancel ACK---CALLING
26
Distress Call
TX Complete
Now Wating for ACK
<CLR˘Cancel ACK>
o After receiving the acknowledgment, reply using the mi-
crophone.
BUSY-25W---INT---CALL
LOCAL--DUP
SCRAM--TAG
ReceivedCAN
DistressACK
<Osaka Bay
>Chuck3
-<CLR˘Exit>--CALLING
➥ A distress alert contains (default);
• Kind of distress : Undesignated distress
• Position data : GPS or manual input position data held for
23.5 hrs.
➥ The distress call is repeated every 3.5–4.5 min., until re-
ceiving an 'acknowledgement.'
➥ Push [DISTRESS] to transmit a renewed distress call, if
required.
➥ Push [CLR] 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.