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26
6 DSC OPERATION
i After receiving the acknowledgment, reply using the mi-
crophone.
➥ A distress alert contains (default);
• Nature 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 re-
ceiving an ‘acknowledgement.’
➥ 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. 8)
DD
Transmitting an individual call
The individual call function allows you to transmit a DSC sig-
nal to a specific ship only.
q Push [MENU] to enter the DSC menu.
w Rotate [CHANNEL] to select “
IInnddiivviidduuaall CCaallll
,”
push [CHANNEL•ENTER].
•“
PPoossiittiioonn IInnppuutt
” item appears when
a GPS receiver
(NMEA0183 ver. 2.0 or 3.01) is not connected.
--DSC Menu--
Select Item
Position Input
˘Individual Call
Group Call
All Ships Call
Position Request
Position Report
25W INT
TAG
Received
DistressACK
<Osaka Bay
<CLR
˘
Beep Off> CALLING