Icom IC-R20 Instruction Manual page 64

10
SET MODE
D D Tone frequency
Sets subaudible tone frequency for tone squelch operation.
Total of 50 tone frequencies (67.0–254.1 Hz) are available.
88.5 Hz setting
• Available subaudible tone frequencies
67.0 79.7 94.8 110.9
69.3 82.5 97.4 114.8
71.9 85.4 100.0 118.8
74.4 88.5 103.5 123.0
77.0 91.5 107.2 127.3
D D DTCS code
Sets DTCS code for DTCS squelch operation. Total of 104
codes (023–754) are available.
Code 023 setting
57
(default: 88.5 Hz)
254.1 Hz setting
131.8 156.7 171.3 186.2 203.5
136.5 159.8 173.8 189.9 206.5
141.3 162.2 177.3 192.8 210.7
146.2 165.5 179.9 196.6 218.1
151.4 167.9 183.5 199.5 225.7
(default: 023)
Code 754 setting
• Available DTCS code
023 054 125
025 065 131
026 071 132
031 072 134
032 073 143
036 074 145
043 114 152
047 115 155
116
051 156
053 122 162
The polarity can also be set in "DTCS polarity" as follow.
229.1
D D DTCS polarity
233.6
241.8
Sets DTCS polarity from normal and reverse.
250.3
254.1
Normal setting
165 245 274 356 445 506
172 246 306 364 446 516
174 251 311 365 452 523
205 252 315 371 454 526
212 255 325 411 455 532
223 261 331 412 462 546
225 263 332 413 464 565
226 265 343 423 465 606
243 346 431 466 612
266
244 271 351 432 503 624
(default: NORMAL)
Reverse setting
627 732
631 734
632 743
654 754
662
664
703
712
723
731