User's Manual

21
Squelch:on the analog mode,allow user to set squelch level .When you are receiving while the
squelch function is on weak signals may become intermittent.The function can filter out
background noise.You can set SQL1~9, Level 3 is set to its basic setting .
CTCSS Standard frequency table
QT
No. [Hz]
QT
No. [Hz]
QT
No. [Hz]
QT
No. [Hz]
1 67.0 11 94.8 21 131.8 31 186.2
2 69.3 12 97.4 22 136.5 32 192.8
3 71.9 13 100.0 23 141.3 33 203.5
4 74.4 14 103.5 24 146.2 34 210.7
5 77.0 15 107.2 25 151.4 35 218.1
6 79.7 16 110.9 26 156.7 36 225.7
7 82.5 17 114.8 27 162.2 37 233.6
8 85.4 18 118.8 28 167.9 38 241.8
9 88.5 19 123.0 29 173.8 39 250.3