Position Request By Manually Entering A Mmsi; Receiving A Position Request - Standard Horizon Explorer GX1600 Owner's Manual

9.8.3.2 Position Request by Manually Entering a MMSI

This feature allows you to request the position of vessel by manually entering
the MMSI of the ship you want to send your position to.
1. Press the
pear.
2. Press the
QUEST".
3. Press the
Individual Call".
4. Press the
"MANUAL," then press the
5. Press the
number of the MMSI (nine digits) which you
want to contact, then press the
key to step to the next number.
6. Repeat step 5 to set the MMSI number.
7. If a mistake was made entering in the MMSI
number, repeat pressing the
the wrong number is selected, then press the
key to correct the entry.
8. When finished entering the MMSI number, press and
hold the
9. Press the
request DSC call.
10. When the GX1600 receives the position from the polled vessel it is shown
on the radio display and also transferred to the GPS Chart plotter with
NMEA DSC and DSE sentences.
11. Press the

9.8.4 Receiving a Position Request

When a position request call is received from another vessel, a ringing alarm
sounds and POS REQUEST will be shown in the display. Operation and trans-
ceiver function differs depending on "Position Reply" in the "DSC Setup" menu.
Automatically reply:
1. When a position request call is received, a calling alarm sounds 4 times.
Then requested position coordinates are transmit-
ted automatically to the vessel requesting your ves-
sels position.
2. To exit from position request display, press
the soft key.
GX1600
key. The "DSC Menu" will ap-
/ key to select "POS RE-
soft key to show the "Last
/ key to select the
/ key to select the first
soft key.
soft key to transmit the position
soft key to return to radio operation.
soft key.
soft
soft key until
/
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