Yaesu VX-8GR/GE, Руководство по эксплуатации

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VX-8GR/GE O
PERATING
M
ANUAL
34
T
ONE
S
EARCH
S
CANNING
In operating situations where you don’t know the CTCSS or DCS tone being used by
another station, you can command the radio to listen to the incoming signal and scan in
search of the tone being used. Two things must be remembered in this regard:
You must be sure that your repeater uses the same tone type (CTCSS vs. DCS).
Some repeaters do not pass the CTCSS tone; you may have to listen to the station
transmitting on the repeater uplink (input) frequency in order to allow Tone Search
Scanning to work.
To scan for the tone in use:
1.
Set the radio up for either CTCSS or DCS Decoder operation (see the previous dis-
cussion). In the case of CTCSS,
“
TSQ ” will appear on the display;
in the case of DCS, “
DCS
” will
appear on the display.
2. Press the
f
key, then press the
2
key to recall the Set Mode
Item
91: TONE FREQUENCY
when CTCSS is selected, or Menu
Item
21: DCS CODE
during DCS operation.
3. Press and hold in the
B
key, the “ TONE SEARCH ” notation will appear, release
the
B
key to start scanning for the incoming CTCSS or DCS tone/code.
4. When the radio detects the correct tone or code, it will halt on that tone/code, and
audio will be allowed to pass. Press the
B
key to lock in that tone/code, then press
the
2
key to exit to normal operation.
If the Tone Scan feature does not detect a tone or code, it will continue to
scan indefinitely. When this happens, it may be that the other station is not
sending any tone. You can press the
PTT
switch to halt the scan at any time.
You can also press the
e
key during Tone Scanning to listen to the (muted) signal from
the other station. When you release the
e
key, Tone Scanning will resume after about a
second.
Tone Scanning works either in the VFO or Memory modes.
CTCSS/DCS/EPCS O
PERATION