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Page 39GX5500S
Transmitting a DSC Distress Alert with Nature of Distress
The GX5500S is capable of transmitting a DSC Distress Alert with the follow-
ing “Nature of Distress” categories:
Undesignated, Fire, Flooding, Collision, Grounding, Capsizing, Sinking,
Adrift, Abandoning, Piracy, MOB
1. Lift the red spring loaded DISTRESS cover and
press the [DISTRESS] key. The “
DISTRESS ALERTDISTRESS ALERT
DISTRESS ALERTDISTRESS ALERT
DISTRESS ALERT”
menu will appear on the LCD.
2. Turn the CHANNEL selector knob to select the de-
sired nature of distress category.
3. When the GX5500S is connected the GPS receiver,
to skip to step 4.
When the GX5500S is not connected the GPS receiver,
you may send the Latitude/Longitude of your vessel manually, if desired.
a. Press the
[
ENT
]
key twice. The display will be as
shown in the illustration on the right.
b. Enter your local time from the keypad by the 24-
hour system on the UTC time, then press the
[
ENT
]
key.
c. Enter the Latitude/Longitude of your vessel location by the keypad, then
press the
[
ENT
]
key. To select North (N) press
[
6
(
NAV
)]
key, South (S)
press the
[
7
(
SCRM
)]
key, East (E) press the
[
3
(
SCAN
)]
key or West (W)
press the
[
9
(
FOG
)]
key.
d. To store the data entered, press and hold the
[
ENT
]
key.
4. Press and hold the
[
DISTRESS
]
key. The radios dis-
play will count down (5-4-3-2-1) and then transmit
the Distress call. The backlight of the LCD and key-
pad flashes while the radios display is countdown.
5. When the distress signal is sent, CH70 and “ ”
icon will appear on the LCD.
6. The transceiver will watch for a DSC acknowledgment
transmission on CH70 and also receive calls on CH16.
7. When a DSC Distress acknowledgment is received,
a distress alarm sounds and channel 16 is auto-
matically selected. The LCD shows the MMSI of the
ship responding to your distress.
RECEIVED ACK: acknowledgment signal is received.
RECEIVED RLY ACK: relay acknowledgment signal is received from another
vessel or coast station.
8. To cancel the DSC Distress alarm signal from the speaker, press any key.