Ctcss' Operation, Oo O - Kenwood TH-28A Instruction Manual

CTCSS OPERATION
The CTCSS unit (TSU-7) is included only with
models delivered to the United States and Canada.
The CTCSS unit (TSU-7) installation instruction are
shown on page 55.
If the Continuous Tone Code Squelch System
(CTCSS) function is activated, the transceiver will
not open squelch until it receives the proper PL tone
(tone squelch).
Selecting Tone Frequencies
You can select the desired tone frequency according
to the procedure on page 29.
Operating the CTCSS Function
Press the F key, then press the 3 key. The CT
indicator will appear on the display.
ct
wt m0
HG Les
B Aro
The transceiver will now operate in the Tone Squelch
mode. That is, squelch will not open until the
selected tone is received as a portion of the
incoming signal.
33