Standard Horizon HX851 Owner's Manual page 37

Transmitting a DSC Distress Alert with Nature of Distress
The HX851 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, and MOB.
1. Lift the red DISTRESS rubber cover on the right side
of the transceiver and press the [ DISTRESS ] key. The
"DISTRESS ALERT" menu will appear on the display.
2. Press the [ ] / [ ] key to select the desired "Nature of
Distress" category.
3. When the HX851 internal GPS receiver has a fix, skip
to step 4. When the HX851 internal GPS receiver is
either disabled or is not receiving a fix, you may enter in
your coordinates and send them manually as detailed below.
a. Press the [ CALL ( ENT ) MENU ] key twice. The dis-
play will be as shown in the illustration on the right.
b. Enter your local time by the 24-hour system on the
UTC time with the [ ] / [ ] / [ CALL ( ENT ) MENU ] /
[ H/L (
c. Enter the Latitude/Longitude of your vessel loca-
tion with the [
[ H/L (
d. To store the data entered, press and hold the [ CALL ( ENT ) MENU ] key.
4. Press and hold the [ DISTRESS ] key. The radios dis-
play will count down (3-2-1), and afterwards the HX851
will transmit the DSC Distress Alert on channel 70. The
backlight of the display and keypad flashes while the
radios display counts down. When the Distress signal
is being sent, the TX/BUSY indicator will grow red.
5. The transceiver "shadow-watches" for a transmission
between Channel 16 and Channel 70 until an acknowl-
edgment signal is received. The display will be shown
in the illustration on the right.
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 channel 16 is automatically selected. The display shows the MMSI of
the ship responding to your distress.
HX851
)] key.
] / [ ] / [ CALL ( ENT ) MENU ] /
)] key.
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