Leixen UV-52 User Manual page 32

squelch.
IDCS: Only a signal on the channel containing a
matching inverted DCS code will open the receiver's
squelch.
After you have selected the decode type in Menu 08,
enter any CTCSS or DCS code you desired directly in
Menu 09. That means you can enter a standard
CTCSS/DCS(Refer to the following tables) or a
non-standard CTCSS/DCS code in the range of:
CTC: 55.0-255.0
NDCS: 000N-777N
IDCS: 000I-777I
CTCSS standard frequency table (58 groups)
56.0
57.0
58.0
59.0
60.0
61.0
62.0
63.0
67.0
69.3
71.9
DCS Standard Code Table
74.4 107.2
77.0 110.9
79.7 114.8
82.5 118.8
85.4 123.0
88.5 127.3
91.5 131.8
94.8 136.5
97.4 141.3
100.0 146.2
103.5 151.4
156.7 189.9
159.8 192.8
162.2 196.6
165.5 199.5
167.9 203.5
171.3 206.5
173.8 210.7
177.3 218.1
179.9 225.7
183.5 229.1
186.2 233.6
241.8
250.3
254.1