TONE CODED SQUELCH
Yaesu FT-8800R Operating Manual (courtesy of W5JCK) Page 33 of 83
Tone Search Scanning
In operating situations where you don’t know the CTCSS or DCS tone being used by another
station or stations, 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 or DCS).
• Some repeaters do not pass the CTCSS tone; you may have to listen to the station(s)
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 Tone System (see page 30) or DCS Tone System
(see page 31) operation. In the case of CTCSS, will appear on the display;
in the case of DCS, will appear on the display.
2. Press the SET key momentarily to enter the Set mode.
3. Rotate the DIAL knob to select Menu #40 TONE F when CTCSS is selected, or
Menu #10 DCS.COD during DCS operation.
4. Press the DIAL knob to enable adjustment of the selected Menu Item.
5. Press the Main band key momentarily to start scanning for the incoming CTCSS
or DCS tone/code.
6. 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 DIAL knob momentarily to lock in that
tone/code, then press and hold in the DIAL knob for ½ second to save the new
setting and exit to normal operation. 0.
1. 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 Main band key to halt the
scan at any time.
2. Tone Search Scanning works either in the VFO or Memory modes.
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