Icom IC-R20 Instruction Manual - Page 70

Tone frequency, DTCS code, DTCS polarity

Page 70 highlights

10 SET MODE D Tone frequency Sets subaudible tone frequency for tone squelch operation. Total of 50 tone frequencies (67.0-254.1 Hz) are available. (default: 88.5 Hz) TONE-FREQ --88.5 TONE-FREQ 254.1 88.5 Hz setting 254.1 Hz setting • Available subaudible tone frequencies 67.0 79.7 94.8 110.9 131.8 156.7 171.3 186.2 69.3 82.5 97.4 114.8 136.5 159.8 173.8 189.9 71.9 85.4 100.0 118.8 141.3 162.2 177.3 192.8 74.4 88.5 103.5 123.0 146.2 165.5 179.9 196.6 77.0 91.5 107.2 127.3 151.4 167.9 183.5 199.5 203.5 206.5 210.7 218.1 225.7 229.1 233.6 241.8 250.3 254.1 D DTCS code Sets DTCS code for DTCS squelch operation. Total of 104 codes (023-754) are available. (default: 023) DTCS-CODE -023 DTCS-CODE -754 Code 023 setting Code 754 setting • Available DTCS code 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 The polarity can also be set in "DTCS polarity" as follow. D DTCS polarity Sets DTCS polarity from normal and reverse. (default: NORMAL) DTCS-POLARITY NORMAL -REVERSE DTCS-POLARITY NORMAL >REVERSE Normal setting Reverse setting 57

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57
10
SET MODE
D
Tone frequency
Sets subaudible tone frequency for tone squelch operation.
Total of 50 tone frequencies (67.0–254.1 Hz) are available.
(default: 88.5 Hz)
• Available subaudible tone frequencies
D
DTCS code
Sets DTCS code for DTCS squelch operation. Total of 104
codes (023–754) are available.
(default: 023)
• Available DTCS code
The polarity can also be set in “DTCS polarity” as follow.
D
DTCS polarity
Sets DTCS polarity from normal and reverse.
(default: NORMAL)
DTCS
-
POLARITY
-
REVERSE
>NORMAL
----------------
DTCS
-
POLARITY
>REVERSE
-
NORMAL
----------------
Normal setting
Reverse setting
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
DTCS
-
CODE
-
023
DTCS
-
CODE
-
754
----------------
----------------
Code 023 setting
Code 754 setting
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
TONE
-
FREQ
--
88.5
TONE
-
FREQ
254.1
----------------
----------------
88.5 Hz setting
254.1 Hz setting