Kenwood TH78E - Manual (Page 35)

THE DUAL TONE SQUELCH SYSTEM (DTSS)
DTSS allows squelch activation in the receive mode
when the transceiver receives a three-digit code
matching the DTSS code you have selected.
Once squelch is activated, it operates normally from
then on. If no signal is received for more than two
seconds, squelch turns off until the transceiver
receives a matching code.
Note
This function is not available in some market areas.
1 DTSS Code
You can select DTSS codes from 000 to 999 in the
VFO mode. Store them either in memory channel or
in the call channel.
Selecting DTSS Codes
1 Press the BAND key to select the desired band.
2 Press and hold the F key for longer than one
second, then press the 2/DTSS key.
3 Enter a three-digit number on the keypad.
Note
Pressing a non-numeric key cancels code
selection mode. Code selection cancels
automatically if you make no entries within 10
seconds.
2 Using the DTSS Function
1 Adjust the squelch to the threshold point.
2 Press the BAND key to select the desired band.
3 Press the F key, then press the 2/DTSS key. The
DT indicator will appear on the display.
4 Squelch opens when you receive the proper code.
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