JRC JHS-770S -, Instruction Manual

Page: 52 / 162

Operation
4-8
the CH16. If squelch is closed again, the scanning will resume 2 seconds later.
-
If the squelch is opened on an additional channel, remains on that channel and
CH16 alternatively (in a cycle of 0.14/1.86 seconds). If squelch is then continuously
closed (until the end of the scan cycle), the scanning will resume. Furthermore,
added to the additional channel, if the squelch is also opened on the CH16, paused
scanning and continues to watch on the CH16 as described above.
4.2.5 Receiving with dual watch
Dual watch function enables to watch an additional channel with the priority channel (CH16). If found
receiving signal on the additional channel, the dwell time on that channel will be longer, but continued
to watch the CH16 alternatively.
■
Procedure
■
1
1
1
.
.
.
Select an additional channel to be watched
with CH16.
The example at right shows the case of CH10 selected.
2
2
2
.
.
.
Press
FUNC
Î
1
DW
The dual watch will start immediately.
Disabled the dual watch either when the
channel region is Inland waterways (IWW)
or when CH70 has been selected.
3
3
3
.
.
.
To terminate the dual watch, press
the
CANCEL key.
¾ After terminated, the radiotelephone will be
set on the additional channel. (The example at
right shows when stopped on CH10.)
¾
The dual watch will be also terminated when
detected off-hook, PTT ON, or press the
CH16
key or the DISTRESS key.
- During the dual watch, the radiotelephone watches CH16 and the additional channel
alternatively in a cycle of 0.14/0.86 seconds.
-
If the squelch is opened on the CH16, pauses the dual watch and continues to watch
on the CH16. If squelch is closed again, the dual watch will resume 2 seconds later.
-
If the squelch is opened on the additional channel, the dwell time on that channel will
be longer, but continues to watch the CH16 alternatively (in a cycle of 0.14/1.86
seconds). If squelch is then continuously closed (until the end of the dwell time),
the dual watch will resume. Furthermore, added to the additional channel, if the
squelch is also opened on the CH16, pauses the dual watch and continues to watch
on the CH16 as described above.
-
This function is also available from the menu 7.2 Dual watch.
Note
Note
Station1 TIME 23:59(UTC)
POS 89ﾟ59'S
EXT 179ﾟ59'W
10
CH
CH70
[ITU]
SQL
CH
SW
Station1 TIME 23:59(UTC)
POS 89ﾟ59'S
EXT 179ﾟ59'W
10
CH
CH70
[ITU]
SQL
CH
SW
Station1 TIME 23:59(UTC)
POS 89ﾟ59'S
EXT 179ﾟ59'W
10
CH
CH70
16&
[ITU]
SQL
CH
SW