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Page 37FM-4000
Transmitting a DSC Distress Alert with Nature of Distress
The FM-4000 is capable of transmitting a DSC Distress Alert with the following
“Nature of Distress” categories:
Undesignated, Fire, Flooding, Collision, Grounding, Capsizing, Sinking,
Adrift, Abandoning, Piracy, MOB
1. Lift the red spring-loaded DISTRESS key, then the
[DISTRESS] key to show the “
DISTRESS ALERTDISTRESS ALERT
DISTRESS ALERTDISTRESS ALERT
DISTRESS ALERT”
menu.
2. Turn the CHANNEL selector knob to select the de-
sired nature of distress category.
3. When the FM-4000 is connected to a GPS receiver,
skip to step 4.
When the FM-4000 is not connected to a GPS re-
ceiver, you may send the latitude/longitude of your
vessel manually, if desired.
a. Press the
[
ENT
]
key twice. The display looks like
the illustration at the right.
b. Enter your local UTC time, then press the
[
ENT
]
key.
c. Enter the latitude/longitude of your vessel, then press the
[
ENT
]
key. To
select North (N) press the
[
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 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 during the countdown.
5. When the distress signal is sent, CH70 and “ ”
icon 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 an-
other vessel or coast station.
8. To cancel the DSC distress alarm signal from the speaker, press any key.