Icom IC-R20 Instruction Manual - Page 59

Tone squelch frequency/DTCS code setting

Page 59 highlights

9 COMFORTABLE RECEIVING ■ Tone squelch frequency/DTCS code setting 88.5 Hz and 023 is set as the default for the tone squelch frequency and the DTCS code, respectively. The frequency and code can be selected as desired. q Push [8 SET] for 1 sec. to enter set mode. wRotate [R-DIAL] to select "SET EXPAND," then push [8 SET]. eRotate [R-DIAL] to turn the expanded set mode ON, then push [8 SET]. rRotate [R-DIAL] to select "TONE FREQ" when selecting the tone squelch frequency; select "DTCS CODE" when selecting the DTCS code, then push [8 SET]. Tone squelch frequency selection ***-SET-MODE OFFSET-FREQ -DUPLEX >TONE-FREQ -DTCS-CODE -DTCS-POLARITY -BANK-LINK DTCS code selection ***-SET-MODE OFFSET-FREQ -DUPLEX -TONE-FREQ >DTCS-CODE -DTCS-POLARITY -BANK-LINK SET Push 8 SET Push 8 TONE-FREQ 88.5 DTCS-CODE 023 tRotate [R-DIAL] to select the desired tone squelch frequency or DTCS code, then push [8 SET]. • See the tables at below. y Push [DUALWATCH] to exit set mode. • Available tone frequency list 67.0 79.7 94.8 110.9 131.8 156.7 171.3 186.2 203.5 229.1 69.3 82.5 97.4 114.8 136.5 159.8 173.8 189.9 206.5 233.6 71.9 85.4 100.0 118.8 141.3 162.2 177.3 192.8 210.7 241.8 74.4 88.5 103.5 123.0 146.2 165.5 179.9 196.6 218.1 250.3 77.0 91.5 107.2 127.3 151.4 167.9 183.5 199.5 225.7 254.1 NOTE: The receiver has 50 tone frequencies and consequently their spacing is narrow compared to units having 9 38 tones. Therefore, some tone frequencies may receive interference from adjacent tone frequencies. • Available DTCS code list 023 054 125 165 245 274 356 445 506 627 732 025 065 131 172 246 306 364 446 516 631 734 026 071 132 174 251 311 365 452 523 632 743 031 072 134 205 252 315 371 454 526 654 754 032 073 143 212 255 325 411 455 532 662 036 074 145 223 261 331 412 462 546 664 043 114 152 225 263 332 413 464 565 703 047 115 155 226 265 343 423 465 606 712 051 116 156 243 266 346 431 466 612 723 053 122 162 244 271 351 432 503 624 731 46

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46
9
COMFORTABLE RECEIVING
Tone squelch frequency/DTCS code setting
88.5 Hz and 023 is set as the default for the tone squelch fre-
quency and the DTCS code, respectively. The frequency and
code can be selected as desired.
q
Push
[8 SET]
for 1 sec. to enter set mode.
w
Rotate
[R-DIAL]
to select “SET EXPAND,” then push
[8 SET]
.
e
Rotate
[R-DIAL]
to turn the expanded set mode ON, then
push
[8 SET]
.
r
Rotate
[R-DIAL]
to select “TONE FREQ” when selecting
the tone squelch frequency; select “DTCS CODE” when
selecting the DTCS code, then push
[8 SET]
.
t
Rotate
[R-DIAL]
to select the desired tone squelch fre-
quency or DTCS code, then push
[8 SET]
.
• See the tables at below.
y
Push
[DUALWATCH]
to exit set mode.
Available tone frequency list
NOTE:
The receiver has 50 tone frequencies and conse-
quently their spacing is narrow compared to units having
38 tones. Therefore, some tone frequencies may receive
interference from adjacent tone frequencies.
Available DTCS code list
023
025
026
031
032
036
043
047
051
053
125
131
132
134
143
145
152
155
156
162
245
246
251
252
255
261
263
265
266
271
356
364
365
371
411
412
413
423
431
432
506
516
523
526
532
546
565
606
612
624
054
065
071
072
073
074
114
115
116
122
165
172
174
205
212
223
225
226
243
244
274
306
311
315
325
331
332
343
346
351
445
446
452
454
455
462
464
465
466
503
627
631
632
654
662
664
703
712
723
731
732
734
743
754
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
159.8
162.2
165.5
167.9
171.3
173.8
177.3
179.9
183.5
186.2
189.9
192.8
196.6
199.5
203.5
206.5
210.7
218.1
225.7
229.1
233.6
241.8
250.3
254.1
-
BANK
-
LINK
-
DTCS
-
POLARITY
-
DTCS
-
CODE
>TONE
-
FREQ
-
DUPLEX
-
OFFSET
-
FREQ
----------------
TONE
-
FREQ
88.5
----------------
***
-
SET
-
MODE
-
***
-
BANK
-
LINK
-
DTCS
-
POLARITY
>DTCS
-
CODE
-
TONE
-
FREQ
-
DUPLEX
-
OFFSET
-
FREQ
----------------
DTCS
-
CODE
023
----------------
***
-
SET
-
MODE
-
***
Push
SET
8
Push
SET
8
Tone squelch frequency
selection
DTCS code selection
9