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27
6
TONE SQUELCH OPERATION
6
• Available DTCS code list
D
Turning ON the tone squelch operation
q
Select the desired channel except for channels 5 and 35.
(p. 14)
w
Set the desired CTCSS tone frequency/DTCS code in set
mode. (See at left page)
e
Push and hold
MONI
T SQL
(TSQL)
for 2 sec. several times until
“
TSQL
” appears.
r
When the received signal includes a matching tone or
code, squelch opens and the signal can be heard.
•
When the received signal is not matched, tone squelch
does not open, however, “
” appears.
• To open the squelch manually, push
MONI
T SQL
.
t
Operate the transceiver in the normal way.
y
To cancel the tone squelch operation, push and hold
MONI
T SQL
(TSQL)
for 2 sec. several times until “
TSQL
” disappears.
NOTE:
CTCSS tone frequency/DTCS code and tone
squelch ON/OFF settings are automatically stored in
memory channels for easy recall.
Code
023
025
026
031
032
036
043
047
051
053
054
065
071
072
073
074
114
115
116
122
125
No.
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
Code
131
132
134
143
145
152
155
156
162
165
172
174
205
212
223
225
226
243
244
245
246
No.
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Code
251
252
255
261
263
265
266
271
274
306
311
315
325
331
332
343
346
351
356
364
365
No.
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
Code
371
411
412
413
423
431
432
445
446
452
454
455
462
464
465
466
503
506
516
523
526
No.
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
Code
532
546
565
606
612
624
627
631
632
654
662
664
703
712
723
731
732
734
743
754
No.
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
Appears
IC-440-1.indd 27
IC-440-1.indd 27
2008/06/25 15:59:38
2008/06/25 15:59:38