![background image](http://html1.mh-extra.com/html/icom/ic-m603/ic-m603_instruction-manual_2037984038.webp)
32
6
DSC OPERATION
New2001
■
Receiving DSC calls
D
D
Receiving a Distress call
While monitoring Channel 70 and a distress call is received:
➥
The emergency alarm sounds for 2 minutes after receiving
the first distress call from a station.
• Push
[CLR]
to stop the alarm.
• After receiving a second (or repeated) distress call from the
same station, the alarm sounds for 1 sec.
➥
“
R
Re
ec
ce
ei
iv
ve
ed
d D
Di
is
st
tr
re
es
ss
s
” appears in the display, then
Channel 16 is automatically selected.
➥
Continue monitoring Channel 16 as a coast station may re-
quire assistance.
D
D
Receiving a Distress Acknowledgement
While monitoring Channel 70 and a Distress acknowledge-
ment to other ship is received:
➥
The emergency alarm sounds for 2 minutes.
• Push
[CLR]
to stop the alarm.
➥
“
R
Re
ec
ce
ei
iv
ve
ed
d D
Di
is
st
tr
re
es
ss
sA
AC
CK
K
” appears in the display,
then Channel 16 is automatically selected.
D
D
Receiving a Distress Relay call
While monitoring Channel 70 and a Distress Relay acknowl-
edgement is received:
➥
The emergency alarm sounds for 2 minutes.
• Push
[CLR]
to stop the alarm.
➥
“
R
Re
ec
ce
ei
iv
ve
ed
d D
Di
is
st
tr
re
es
ss
sR
RL
LY
Y
” appears in the display,
then Channel 16 is automatically selected.
25W
INT
TAG
Received
DistressRLY
<John
<CLR˘
Beep Off>
CALLING
25W
INT
TAG
Received
DistressACK
<Osaka Bay
<CLR˘
Beep Off>
CALLING
25W
INT
TAG
Received
Distress
<Paul
<CLR˘
Beep Off>
CALLING
The first distress call
is received.
25W
INT
TAG
Received
Distress
<Paul
<CLR˘Exit
Exit
>
CALLING
The second (or
repeated) dis-
tress call is re-
ceived from the
same station.
!IC-M603.qxd 06.7.28 1:46 PM Page 32 (1,1)