![background image](http://html1.mh-extra.com/html/icom/ic-m603/ic-m603_instruction-manual_2037984029.webp)
23
6
DSC OPERATION
New2001
6
u
After receiving the acknowledgment, reply using the mi-
crophone.
➥
A distress alert contains (default);
• Kind of distress : Selected nature of the distress
• Position data
: GPS or manual input position data is held
for 23.5 hrs. or until the power is turned
OFF.
➥
The Distress call is repeated every 3.5–4.5 min., until
receiving 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.
■
Transmitting DSC calls
To ensure correct operation of the DSC function, please
make sure you set the squelch correctly. (p. 9)
D
D
Transmitting an Individual call
The Individual call function allows you to transmit a DSC sig-
nal to a specific ship only.
q
Enter “
I
In
nd
di
iv
vi
id
du
ua
al
l C
Ca
al
ll
l
” in DSC menu.
w
Rotate
[SELECTOR]
to select the desired pre-pro-
grammed individual address or “
M
Ma
an
nu
ua
al
l I
In
np
pu
ut
t
,” push
[ENT]
.
• The ID code for the Individual call can be set in advance. (p. 16)
• When “
M
Ma
an
nu
ua
al
l I
In
np
pu
ut
t
” is selected, set the 9-digit MMSI ID
code for the individual you wish to call with the keypad.
--DSC Menu--
Select Address
Manual Input
John
˘Paul
George
≥
<CLR˘Exit / ENT˘OK>
D
DS
SC
C M
Me
en
nu
u
➪
I
In
nd
di
iv
vi
id
du
ua
al
l C
Ca
al
ll
l
(Push
[MENU]
) (Rotate
[SELECTOR]
, then push
[ENT]
.)
25W
INT
TAG
Received
DistressACK
<Osaka Bay
<CLR˘
Beep Off>
CALLING
!IC-M603.qxd 06.7.28 1:46 PM Page 23 (1,1)