![background image](http://html1.mh-extra.com/html/icom/i746pro/i746pro_instruction-manual_611947056.webp)
43
4
RECEIVE AND TRANSMIT
2001 NEW
2001 NEW
D
D
DTCS operation
DTCS function is an another method of communica-
tions using selective calling. Only received signals hav-
ing a matching 3-digit code will open the squelch.
q
Push [AM/FM] to select FM mode.
w
Push [MENU] several times to select
M1
.
e
Push [F4
TON
] several times to turn the DTCS
function ON.
• “DTCS” appears
r
Push [F4
TON
] for 1 sec. to enter tone frequency
set mode.
t
Push [F1
TON
] several times until
DTCS Code
appears, if necessary.
y
Rotate the tuning dial to select the desired DTCS
code number and push [F5] to select the desired
code polarity.
NN
: Normal polarity is used for both transmit and
receive.
NR
: Normal polarity is used for transmit, reversed
polarity is used for receive.
RN
: Reversed polarity is used for transmit, normal
polarity is used for receive.
RR
: Reversed polarity is used for both transmit
and receive.
• Push [F3] for 1 sec. to select the default code and polar-
ity.
u
Push [MENU] to return to
M1
.
i
Communicate in the usual manner.
• Available tone codes
F 1
F 2
F 3
F 4
F 5
F 1
F 2
F 3
F 4
F 5
A G C D U P C M P T O N S C P
T O N S C N O 2 3 - N N
D T C S C o d e
Push [F4] for 1 sec.
Push [F5] to select the polarity
Select a code with the tuning dial.
023
025
026
031
032
036
043
047
051
053
054
065
071
072
073
074
114
115
116
122
125
131
132
134
143
145
152
155
156
162
165
172
174
205
212
223
225
226
243
244
245
246
251
252
255
261
263
265
266
271
274
306
311
315
325
331
332
343
346
351
356
364
365
371
411
412
413
423
431
432
445
446
452
454
455
462
464
465
466
503
506
516
523
526
532
546
565
606
612
624
627
631
632
654
662
664
703
712
723
731
732
734
743
754
IC-746PRO.qxd 02.4.2 11:31 Page 43
Summary of Contents for i746PRO
Page 115: ......