NAVICOM RT-650 Owner's manual - page 12
23 24
EXIT
quit the menu mode.
5.2.1
SENDING A DISTRESS CALL
Note: Only having a MMSI code of your radio and DSC enable, you can
initiate a DSC transmission. To enter the MMSI code sees 6.9.1.
1)
Open the red cover labeled DISTRESS.
2)
Press the
DISTRESS
button momentarily
.
The Text area of the display reconfigures to show the Nature of Distress
menu.
3)
If time is available, rotate the
CH
knob to select the Nature of Distress,
the
default are "
UNDESIG
".
4)
Hold down the
DISTRESS
button for more than 3 seconds until you see
the distress call sent message on the screen. The whole display screen
starts to flash and beep loudly.
5) If
DISTRESS
button is released before 3 seconds, the initiation of distress
call is not taken into effect and If button is pressed for more than 3 seconds,
Distress call is sent whether channel 70 is busy or not. When Distress is
sent, the acoustic alarm goes to a continuous tone until acknowledgement
received or the Distress call is cancelled.
6) During the distress call sequence, the radio simultaneously watches
Channel 70 for a DSC acknowledgement and Channel 16.
7)
When the distress call is acknowledged, the acoustic alarm stops and the
radio returns to normal operation on channel 16, with high power relay to
the connected station via the microphone
8)
If no acknowledgement is received, the unit retransmits the Distress call at
random intervals of 3.5 to 4.5 minutes until a response is received or the
call is manually cancelled, by pressing
CANCEL
button for twice
5.2.2
SEND AN ALL SHIPS CALL
1) Press
DSC /MENU
button
.
Rotate the
CH
knob to select “ALL SHIPS”.
Press the
CH
knob to enter ALL SHIPS. The All Ships menu displays LCD
the categories from which you can select .
2)
Rotate the
CH
knob to select: SAFETY, presses the CH knob to enter All
Ships Safety send.
3) Rotate
the
CH
knob to select the working channel; or press
16
button to quit.
4)
Press again and release the
CH
knob to advance the screen if send the call.
5)
Press again and release the
CH
knob to sending all ships safety call.
6)
Once the call is sent, the text area of the display momentarily shows the
Calling All Ships message. And then the radio returns to normal VHF
operation on the designated channel. Press
PTT
to talk.
5.2.3
SEND A GROUP CALL
This feature allows the user to contact a group of specific vessels using DSC and
to automatically switch to a desired channel. Before sending a GROUP call, you
must be set the GROUP MMSI
1)
From the DSC/MENU select the GROUP CALL item. Press
the
CH
button,
the screen displays the names of your groups.
2)
Select the group that you want to call. Then select the channel Press the
CH
knob to send a group call, Once the call is sent, the Text area of the
display momentarily shows the Calling group message.
3)
After the GROUP CALL is transmitted, the radio will return to normal VHF
with the designated channel.
4)
Press the
PTT
to start talk
.
ALL SHIPS
SAFETY
CALLING…
ALL SHIPS
SAFETY
>SEND?
PORT OPS/VTS
21º22.0012N
120º40.1001E
10:15 UTC
DISTRES CALL
>
UNDESIG
FIRE
FLOODING
DISTRES CALL
>
UNDESIG
HOLD DISTRES
X SECONDS…
DISTRES CALL
SENT! WAIT…
PRESS CANCE
KEY TO EXIT
GROUP
> BBLIA
CHAIRIST
SEAWATCH
BBLIA
020070033
ROUTINE
>SET CHANNEL
BBLIA
020070033
ROUTINE
>SEND?
PILOTAGE
21º22.0012N
120º40.1001E
10:15 UTC
ALL SHIPS
SAFETY
>SET CHANNEL
ALL SHIPS
>URGENCY
SAFETY
DISTRESS