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16
6
TONE SQUELCH OPERATION
(Analog mode operation only)
5
6
‘
‘
Operation
By default, the transceiver uses a CTCSS/DTCS squelch sys-
tem. The CTCSS tone squelch. DTCS opens only when
receiving a signal containing a matching tone. You can silent-
ly wait for calls from group members using the same tone.
D
D
CTCSS tone setting
The transceiver is equipped with 50 CTCSS tones. CTCSS
operation provides communication with silent standby since
you will only receive calls from group members using the
same CTCSS tone frequency.
q
Rotate [VOL] to turn the power ON.
w
Push [Side2] (CH Up) or [Side3] (CH Down) to select the
desired channel. (pgs. 38, 39)
e
Push [Code] to enter the CTCSS tone frequency selection
mode.
• “
” appears.
• Push [Code] for 1 sec. to toggle the CTCSS tone and DTCS
code selection mode.
• “CT OFF” (or “CT T-00”) is displayed in no tone setting channel.
NOTE:
The indication type is depending on the set
mode setting. (p. 28)
r
Push [Side2] (CH Up) or [Side3] (CH Down) to select the
desired tone code.
t
Push [Code] again to set.
y
When the received signal includes a matching tone,
squelch opens and the signal can be heard.
• When the received signal’s tone does not match, tone squelch
does not open.
• To open the squelch temporarily, push [Side1] (MONI).
• Available CTCSS tone frequency
(Hz)
Freq.
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
No.
01
02
03
04
05
06
07
08
09
10
Freq.
94.8
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
No.
11
12
13
14
15
16
17
18
19
20
Freq.
131.8
136.5
141.3
146.2
151.4
156.7
159.8
162.2
165.5
167.9
No.
21
22
23
24
25
26
27
28
29
30
Freq.
171.3
173.8
177.3
179.9
183.5
186.2
189.9
192.8
196.6
199.5
No.
31
32
33
34
35
36
37
38
39
40
Freq.
203.5
206.5
210.7
218.1
225.7
229.1
233.6
241.8
250.3
254.1
OFF
No.
41
42
43
44
45
46
47
48
49
50
00
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Содержание IC-F4029SDR
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