
Operation
4-11
on 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 als o 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
11
.
..
On the main menu, touch the [CH OPE] → [DUAL
WATCH] buttons and use the [+]/[-] buttons to select
the channels for dual watch.
2
22
.
..
Touch the [EXE] button.
The dual watch starts immediately.
The example at right shows the case of CH10 selected.
Disabled the dual watch either
when the channel region is
Inland waterways (IWW) or when
CH70 has been selected.
3
33
.
..
To terminate the dual watch, press the [DW
STOP] button.
➢
After terminated, the radiotelephone is set on
the additional channel. (The example at right
shows when stopped on CH12.)
➢
The dual watch is also terminated when
off-hook or PTT ON is detected or a channel
is set in the DSC transmission menu.
-
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.
Note
Note
Summary of Contents for JHS-800S
Page 1: ...MARINE VHF RADIOTELEPHONE Instruction Manual 7ZPJD0714...
Page 2: ......
Page 22: ...xx NVS 423R External Speaker...
Page 34: ...Equipment Overview 1 6 4 AC DC power supply NBD 965 Unit mm Weight Approx 2 1 kg...
Page 39: ...Equipment Overview 1 11 Unit mm Weight Approx 1 1 kg 11 External speaker NVS 423R...
Page 40: ...Equipment Overview 1 12 1 5 Block diagram...
Page 150: ......
Page 156: ...JUNE 2018 Edition 1...