Audiovox FR-240 - Manual (Page 11)

CTCSS Freq. Hz CTCSS Freq. Hz
1 67.0 20 131.8
2 71.9 21 136.5
3 74.4 22 141.3
4 77.0 23 146.2
5 79.7 24 151.4
6 82.5 25 156.7
7 85.4 26 162.2
8 88.5 27 167.9
9 91.5 28 173.8
10 94.8 29 179.9
11 97.4 30 186.2
12 100.0 31 192.8
13 103.5 32 203.5
14 107.2 33 210.7
15 110.9 34 218.1
16 114.8 35 225.7
17 118.8 36 233.6
18 123.0 37 241.8
19 127.3 38 250.3
Continuous Tone Coded Squelch System
Tone Frequencies
Call Signals
The FR-240 will transmit a two-second ringing sound to other
transceiver’s tuned to the same channel and CTCSS code when
the call button is pressed. This feature can be used to signal
other parties that voice communication is desired.
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