Icom IC-746PRO Instruction Manual page 56

4
RECEIVE AND TRANSMIT
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
e Push [F4
] several times to turn the DTCS
function ON.
• "DTCS" appears
r Push [F4
] for 1 sec. to enter tone frequency
set mode.
t Push [F1
] several times until
appears, if necessary.
y Rotate the tuning dial to select the desired DTCS
code number and push [F5] to select the desired
code polarity.
: Normal polarity is used for both transmit and
receive.
: Normal polarity is used for transmit, reversed
polarity is used for receive.
: Reversed polarity is used for transmit, normal
polarity is used for receive.
: 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
i Communicate in the usual manner.
• Available tone codes
023 072 152
025 073 155
026 074 156
031 114 162
032 115 165
036 116 172
043 122 174
047 125 205
051 131 212
053 132 223
054 134 225
143 226
065
071 145 243
43
.
.
244 311 412 466
245 315 413 503
246 325 423 506
251 331 431 516
252 332 432 523
255 343 445 526
261 346 446 532
263 351 452 546
265 356 454 565
266 364 455 606
271 365 462 612
274 371 464 624
306 411 465 627
F 1
F 1
Select a code with the tuning dial.
631
632
654
662
664
703
712
723
731
732
734
743
754
F 2 F 3 F 4
Push [F4] for 1 sec.
F 2 F 3 F 4
Push [F5] to select the polarity
F 5
F 5