T X 3 5 1 0 / T X 3 5 2 0 / T X 3 5 4 0 I N S T R U C T I O N M A N UA L PA G E 3 1
ignition or alternator wiring. If the noise continues, it may be
necessary to fit a suppression kit in which case we recommend
you consult an auto electrician for advice specific to
your installation.
Higher frequency electrical interference cause by electric
motors can be suppressed directly at the motor terminals.
CTCSS TONE FREQUENCY CHART
50 Tone
Set
38 Tone Set Frequency 50 Tone
Set
38 Tone Set Frequency 50 Tone
Set
38 Tone Set Frequency
1 1 67.0 18 17 118.8 35 - 183.5
2 - 69.4 19 18 123.0 36 30 186.2
3 2 71.9 20 19 127.3 37 - 189.9
4 3 74.4 21 20 131.8 38 31 192.8
5 4 77.0 22 21 136.5 39 - 196.6
6 5 79.7 23 22 141.3 40 - 199.5
7 6 82.5 24 23 146.2 41 32 203.5
8 7 85.4 25 24 151.4 42 - 206.5
9 8 88.5 26 25 156.7 43 33 210.7
10 9 91.5 27 - 159.8 44 34 218.1
11 10 94.8 28 26 162.2 45 35 225.7
12 11 97.4 29 - 165.5 46 - 229.1
13 12 100.0 30 27 167.9 47 36 233.6
14 13 103.5 31 - 171.3 48 37 241.8
15 14 107.2 32 28 173.8 49 38 250.3
16 15 110.9 33 - 177.3 50 - 254.1
17 16 114.8 34 29 179.9 - - -
CTCSS Frequency shown in Hz
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