Page 48
GX2200E
8.3 DSC DISTRESS CALL
The
GX2200E
is capable of transmitting and receiving DSC distress messag-
es to all DSC radios. The
GX2200E
may be connected to a GPS to also
transmit the latitude and longitude of the vessel.
8.3.1 Transmitting a DSC Distress Call
NOTE
To be able to transmit a DSC distress call an MMSI number must be
programmed, refer to section “
8.2.2 Programming the MMSI
.”
In order for your ships location to be transmitted, the internal GPS
must be able to receive a fix or a optional GPS antenna or chart plotter
must be connected. Refer to section “
5.5 ACCESSORY CABLES
.”
Basic Operation
1. Lift the red spring loaded DISTRESS cover, and
press and hold the
DISTRESS
key. The radio’s
display will count down (3-2-1) and then transmit
the distress call. The backlight of the display and
keypad flashes while the radios display is count-
ing down.
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2. When the distress signal is sent, the transceiver
watches for a transmission between CH16 and
CH70 until an acknowledgment signal is received.
3. If no acknowledgment is received, the distress call is repeated in 4
minute intervals until a DSC acknowledgment is received.
4. When a DSC distress acknowledgment is
received, 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
received.
RECEIVED RLY: relay signal is received from
a n o t h e r v e s s e l o r c o a s t
station.
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2.
5. Press the
PTT
switch 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.