GX1280S Page 45
5. Press the [CALL/SET] key to transmit the posi-
tion request DSC call.
6. After a DSC position request is transmitted, the
transceiver remains on channel 70 until position
data is received from the polled vessel.
7. When the MATRIX receives the position from the
polled vessel it is shown on the radio display and
also transferred to the GPS Chart plotter.
8. If the MATRIX does not receive a reply, the LCD
will display “SEND” to prompt the user to send
the call again or exit the mode.
NOTE
If the MATRIX does not receive position data from the polled vessel, the
LCD will show “NO POSITION DATA.”
7.8.2.3 Receiving a Position Request
When a position request call is received from another vessel, a ringing alarm
will sound and POS REQUEST will be show in the LCD. Operation and
transceiver function differs depending on “POS REPLY” in the “DSC SETUP”
menu setting.
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
vessels position.
2. To exit from position request display, press any
key.
Manually reply:
1. When a position request call is received from an-
other vessel, the LCD will be as shown in the illus-
tration at the right.
2. A ringing alarm sounds 4 times. Then select type
of reply function “REPLY” or “NO REPLY” by using
the CHANNEL selector knob.
3. The MATRIX display will show “REPLY” or “NO
REPLY” allowing you choose to send your vessels
location by using the CHANNEL selector knob.