NorthStar Navigation Explorer 721US User Manual
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Northstar Explorer VHF Series: 721US, 721EU Operation and Installation Manual
RCV: DISTRESS
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FLOODING
ESC –> EXIT
RCV: DISTRESS
10:34 UTC
82º50.003'N
27º45.543'W
RCV: DISTRESS
RELAY
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ESC –> EXIT
6-2 Receive a Distress Call (RCV: DISTRESS)
An alert sounds when a distress call (DISTRESS!)
is received. Press any key to cancel the alert. You
don’t need to send an acknowledgement.
is received. Press any key to cancel the alert. You
don’t need to send an acknowledgement.
The radio automatically selects CH16 and
displays the details of the distress call on the
screen. Press PTT to establish voice contact.
displays the details of the distress call on the
screen. Press PTT to establish voice contact.
The details are displayed over two screens that alternate every 1.5 seconds; the first screen shows the
user MMSID and nature of the emergency (if specified), the second screen shows the time and the
location (if specified). If the location and time aren’t specified, they’re replaced with sequences of 9s and
8s respectively.
user MMSID and nature of the emergency (if specified), the second screen shows the time and the
location (if specified). If the location and time aren’t specified, they’re replaced with sequences of 9s and
8s respectively.
The radio is capable of receiving enhanced LL position data if the vessel transmitting the distress call is
sending this. This provides the position of the distressed vessel to within 60 ft (20 m).
sending this. This provides the position of the distressed vessel to within 60 ft (20 m).
6-3 Receive a Distress Relay (RCV: DISTRESS RELAY)
An alert sounds when a distress relay (DISTRESS RELAY) is received from an individual
or from an All Ships transmission. Press any key to cancel the alert.
or from an All Ships transmission. Press any key to cancel the alert.
Try to make voice contact with the calling vessel. Maintain a listening watch on
CH16 and standby to lend assistance.
CH16 and standby to lend assistance.
6-3 Relay a Distress Call from the Distress Log (RELAY)
You can relay a Distress Call in your Distress Log to an Individual or to All Ships.
1.
Press CALL/MENU to enter the DSC CALL menu, then select DIST LOG (see Section 5.8).
2.
The most recently received distress call Is the fi rst entry (01) in the Distress Log. Select the distress call
that you want to relay, then select RELAY.
that you want to relay, then select RELAY.
3.
Now select either:
• INDIV RELAY to relay the distress call to an individual and select MANUAL NEW if the person is
not in your buddy list, otherwise scroll to the name of your buddy. Press ENT or push the rotary
knob. (If you selected MANUAL NEW, you need to enter the user MMSID then press ENT or push
the rotary knob.)
knob. (If you selected MANUAL NEW, you need to enter the user MMSID then press ENT or push
the rotary knob.)
• ALL RELAY to relay the distress call to All Ships then press ENT or push the rotary knob.
4.
The radio automatically selects CH16 and displays the details of the distress call on the screen.
5.
Press ENT or push the rotary knob to relay the Distress Call.
VHF721
DELETE
SAVE MMSID
> RELAY
RELAY
> INDIV RELAY
ALL RELAY
INDIV RELAY
> MANUAL NEW
BUDDY1
BUDDY2