Standard Horizon GX3500S User Manual download pdf (Page 38)

GX3500SPage 38

11.3 DSC DISTRESS CALL

The GX3500S is capable of transmitting and receiving DSC Distress messages

to all DSC radios. The GX3500S may be connected to a GPS to also transmit

the Latitude, Longitude of the vessel.

11.3.1 Transmitting a DSC Distress Call

NOTE

To be able to transmit a DSC distress call an MMSI number must be

programmed, refer to section “11.2.2 Programming the MMSI.”

In order for your ships location to be transmitted a GPS must be connected to

the GX3500S, refer to section “8.4 CONNECTION OF GPS WITH NMEA OUT-

PUT.”

1. Lift the red spring loaded DISTRESS cover and press the

[

DISTRESS

]

key.

The “DISTRESS” menu will appear on the LCD.

2. Press and hold the

[

DISTRESS

]

key. The radios dis-

play will count down (3-2-1) and then transmit the

Distress call.

3. When the distress signal is sent, CH70 and “ ”

icon will appear on the LCD. After the message has

been sent, the radio will sound a Distress Alarm.

4. The transceiver will watch for a DSC acknowledg-

ment transmission on CH70 and also receive calls

on CH16.

5. If an acknowledgement is received, select channel

16 and advise your distress situation.

6. If no acknowledgment is received, the distress call is

repeated in 4 minute intervals until a DSC acknowl-

edgment is received.

7. When a DSC Distress acknowledgment is received,

a distress alarm sounds and channel 16 is automati-

cally 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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Standard Horizon GX3500S User Manual Page 38

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