JRC JHS-770S -, Instruction Manual

Page: 123 / 162

Settings & Registrations
5-11
5.5 Advanced settings for DSC
The following describes the procedure for the advanced DSC settings such as automatic acknowledgement, as
well as creating a PSTN number list.
■
Menu screen
■
Press the
MENU
key, and through hierarchical
menus, select the 9.5 DSC operation.
The following describes the procedures from this screen.
Note that the screen at right shows factory default settings.
5.5.1 Automatic acknowledgement
If the automatic acknowledgement is set to ON, and when received any one of the individual calls below, the
acknowledgement will be sent automatically without notice.
・ Routine - a polling call
・ Safety - a position request call
・ Safety - a test call
This function will be disabled in distress mode or PSTN communication mode, or while the PTT is ON.
Furthermore, if performed this function during dual watch or scanning, the channel dwell time might be longer
than usual.
■
Procedure
■
To activate the automatic acknowledgement function, set the 1. Automatic ACK condition to ON
with the jog dial.
5.5.2 Disabling the automatic channel shift
When receiving any one of the following DSC calls having a valid working channel, the radiotelephone channel
can be shifted automatically to the specified channel. (Note : For the other DSC calls, the channel shift can be
performed manually.)
・
Routine - a group call
・
Safety - an All ship call
・
Routine/ Safety/ Urgency - an acknowledgement to the individual call own ship has transmitted before.
However, to avoid disruption of the important ongoing communication, this function must be disabled according to
the menu operation. The following describes the procedure to disable this function.
■
Procedure
■
To disable the automatic channel shift function, set the 2. Automatic CH shift condition to OFF
with the jog dial.
9.5)DSC operation
1.Automatic ACK :ON
2.Automatic CH shift :ON
3.Safety/Routine ALM :ON
4.Medical/Neutral use :OFF
5.Expanded MMSI
: 0
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