Transmitting A Dsc Distress Alert By Manually Entering A Position - Standard Horizon Explorer GX1600 Owner's Manual

9.3.1.2 Transmitting a DSC Distress Alert by Manually Entering a Position

When the GX1600 is not connected to a GPS receiver or the GPS has a prob-
lem, you may input the latitude/longitude of your vessel manually and may send
DSC Distress Alert.
1. Lift the red spring loaded DISTRESS cover and
press the [DISTRESS] key. The "DISTRESS ALERT"
menu will appear on the display.
2. Press the
3. Enter the latitude/longitude of your vessel and your
local UTC time in the 24-hour notation. Press the
/ key to select the number and press the
soft key to move the cursor to the next char-
acter. You may backspace the cursor by pressing
the soft key, if you make a mistake.
4. When you have completed your selection, press and
hold in the
the setting.
5. Press and hold the [ DISTRESS ] key. The radios dis-
play will count down (3-2-1) and then transmit the
Distress Alert. The backlight of the display and key-
pad flashes while the radios display is countdown.
6. When the distress signal is sent, the transceiver
"shadow-watches" for a transmission between CH16
and CH70 until an acknowledgment signal is received.
7. If no acknowledgment is received, the distress call
is repeated in 4 minute intervals until an acknowl-
edgment is received.
8. When a DSC Distress acknowledgment is received,
a distress alarm sounds and channel 16 is auto-
matically selected. The display shows the MMSI of
the ship responding to your distress.
RECEIVED ACK:
RECEIVED RLY ACK: relay acknowledgment signal
9. Press the PTT button and state your name, vessel name, number of per-
sons on board and the distress situation, then say over. wait for a reply
from the acknowledging ship.
10. To turn off the Distress alarm until the radio retransmits the distress call,
press the
Page 38
soft key.
soft key for two seconds to save
acknowledgment signal is re-
ceived.
is received from another vessel or coast station.
key.
GX1600