MODEL: ET0195 PRODUCT CODE: 55913 12/2016 23
AFTER SALES SUPPORT
1300 777 137
Advanced Operations (cont.)
Note:
If you make no entry in the menu for about 6 seconds, the menu will close.
talk on a private sub-channel inside an active channel and is used to reduce the annoyance of listening to
other users on a shared channel. Each channel has 38 CTCSS codes and 61 DCS codes.
CTCSS
The Continuous Tone Coded Squelch System (CTCSS) is a Squelch quieting system that allows groups of
users to share the same channel without disturbing each other. It uses 1 of 38 low frequency tones to open
and close the Squelch on the radio. The CTCSS codes are not encrypted and do not prevent others from
hearing your transmission if they are on the same channel and sub-channel. They simply provide you with
a quieter channel by preventing you from hearing transmissions that are not using the same code as you
and are therefore not directed at you. Please refer below for the CTCSS Frequency Table and see page 25
for DCS Frequency Table..
CTCSS Frequency Table
CTCSS
FREQ. No.
CTCSS FREQ.
(Hz)
CTCSS
FREQ. No.
CTCSS FREQ.
(Hz)
CTCSS
FREQ. No.
CTCSS FREQ.
(Hz)
CTCSS FREQ.
No.
CTCSS FREQ.
(Hz)
1
67.000
11
97.400
21
136.500
31
192.800
2
71.900
12
100.000
22
141.300
32
203.500
3
74.400
13
103.500
23
146.200
33
210.700
4
77.000
14
107.200
24
151.400
34
218.100
5
79.700
15
110.900
25
156.700
35
225.700
6
82.500
16
114.800
26
162.200
36
233.600
7
85.400
17
118.800
27
167.900
37
241.800
8
88.500
18
123.000
28
173.800
38
250.300
9
91.500
19
127.300
29
179.900
10
94.800
20
131.800
30
186.200
