Icom IC-R20 Two-Way Radio User Manual


 
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.
qPush [8 SET] for 1 sec. to enter set mode.
wRotate [R-DIAL] to select “SET EXPAND” item, 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” item when se-
lecting the tone squelch frequency; select “DTCS CODE”
item when selecting the DTCS code, then push [8 SET].
tRotate [R-DIAL] to select the desired tone squelch fre-
quency or DTCS code, then push [8 SET].
• See the tables at right.
yPush [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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16