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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
TSQ" will appear on the display;
TSQ
TSQ
TSQ
in the case of DCS, "DCS
appear on the display.
2. Press the
key to recall the Set Mode
Item 99: TONE FREQUENCY
99: TONE FREQUENCY
99: TONE FREQUENCY
99: TONE FREQUENCY
99: TONE FREQUENCY
when CTCSS is selected, or Menu
Item 26: DCS CODE
26: DCS CODE during DCS operation.
26: DCS CODE
26: DCS CODE
26: DCS CODE
3. Press the
key to enable adjustment of the selected Set Mode Item.
4. Press and hold in the
key to start scanning for the incoming CTCSS or DCS tone/code.
5. 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
the
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
the other station. When you release the
second.
Tone Scanning works either in the VFO or Memory modes.
VX-8R O
PERATING
CTCSS/DCS/EPCS O
T
S
ONE
EARCH
DCS" will
DCS
DCS
DCS
key, then press the
key, the "TONE SEARCH
key during Tone Scanning to listen to the (muted) signal from
M
ANUAL
S
CANNING
TONE SEARCH" notation will appear, release the
TONE SEARCH
TONE SEARCH
TONE SEARCH
key to lock in that tone/code, then press
key, Tone Scanning will resume after about a
PERATION
39
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