Dsc Distress Alert; Transmitting A Dsc Distress Alert - Standard Horizon Explorer GPS GX1700 Owner's Manual

To view your MMSI after programming to ensure it is correct, perform
steps 1~3. Look that the MMSI number shown on the display is correct.
9.3

DSC DISTRESS ALERT

The GX1700 is capable of transmitting and receiving DSC Distress mes-
sages with your vessels position.

9.3.1 Transmitting a DSC Distress Alert

For the GX1700 to be able to transmit a DSC DIstress call with your
ships location, the internal GPS must be able to receive a fix or a op-
tional GPS Antenna/Chart Plotter must be connected. Refer to sec-
tion "6.5 ACCESSORY CABLE."
1. Lift the red spring loaded DISTRESS cover and
press the
will appear on the display.
2. Press and hold the
will count down (3-2-1) and then transmit the Dis-
tress Alert. The backlight of the display and keypad
flashes while the radios display is counting down.
3. When the distress signal is sent, the transceiver
watches for a transmission between CH16 and
CH70 until an acknowledgment signal is received.
4. If no acknowledgment is received, the distress call
is repeated in 4 minute intervals until a DSC ac-
knowledgment is received.
5. When a DSC Distress acknowledgment is re-
ceived, a distress alarm sounds and channel 16
is automatically selected. The display shows the
MMSI of the ship responding to your distress.
RECEIVED ACK: acknowledgment signal is re-
RECEIVED RLY: relay signal is received from another vessel or coast
6. Press the PTT button and state your name, vessel name, number of
persons on board and the distress situation, then say over and wait for a
reply from the acknowledging ship.
Page 38
NOTE
NOTE
key. The " DISTRESS ALERT " menu
key. The radios display
ceived.
station.
!DISTRESS ALERT!
Nature of:Undesignated
Position: 33 37.120
118 09.580
POS Time: 10:00
Time for 3 sec
NATURE POS/TM QUIT
!DISTRESS ALERT!
Nature of:Undesignated
Position: 33 37.120
118 09.580
POS Time: 10:00
Time for 3 sec
!DISTRESS ALERT!
Nature of:Undesignated
Position: 33 37.120
118 09.580
POS Time: 10:00
Transmitting
!DISTRESS ALERT!
Nature of:Undesignated
Position: 33 37.120
118 09.580
POS Time: 10:00
TX in: 02:25
Wait for ACK
PAUSE CANCEL
!DISTRESS ALERT!
Received Acknowledged
Name:USCG
ID:101234 567
Since: 00:15
OK
GX1700
N
W
N
W
N
W
N
W