FM-4000
Page 36
11.3 DSC DISTRESS CALL
The
FM-4000
is capable of transmitting and receiving DSC distress messages
to all DSC radios. The
FM-4000
may be connected to a GPS receiver to also
transmit the latitude and longitude of your vessel.
11.3.1 Transmitting a DSC Distress Call
NOTE
To transmit a DSC Distress call, an MMSI number must be programmed.
See section “
11.2.2 Programming the MMSI
.”
In order for your ship’s location to be transmitted a GPS receiver must be
connected to the
FM-4000
. See section “
8.5 ACCESSORY CABLE
.”
1. Lift the red spring-loaded DISTRESS cover, then the
[
DISTRESS
] key. The “
DISTRESS ALERT
DISTRESS ALERT
DISTRESS ALERT
DISTRESS ALERT
DISTRESS ALERT
” menu ap-
pears on the LCD.
2. Press and hold the [
DISTRESS
] key. The radio’s dis-
play counts down (5-4-3-2-1) and then the Distress
call is transmitted. The backlight of the LCD and key-
pad flash while the radio’s display is counting down.
3. When the distress signal is sent, CH70 and “
”
icon appear on the LCD.
4. The transceiver “shadow-watches” for a transmission
between CH16 and CH70 until an acknowledgment
signal is received. “DISTRESS” and “WAITING” ap-
pear on the LCD.
5. If an acknowledgment is received, select CH16 and
advise your distress situation.
6. If no acknowledgment is received, the Distress call is repeated in 4-minute
intervals until an acknowledgment is received.
7. When a DSC Distress acknowledgment is received, a distress alarm sounds
and CH16 is automatically selected. The LCD shows the MMSI of the ship
responding to your distress.
RECEIVED ACK: Acknowledgment signal is received.
RECEIVED RLY: Relay signal is received from another vessel or coast
station.
8. To cancel the DSC distress alarm signal from the speaker, press any key.
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