Dtcs Operation - Icom IC-7100 Instruction Manual

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4
RECEIVE AND TRANSMIT

DTCS operation

The DTCS function is another method of communica-
tions using selective calling. Only received signals hav-
ing a matching 3-digit code will open the squelch.
q
Select the desired frequency band. (p. 35)
w
On the Mode selection screen, touch "FM" to select
the FM mode.
e
Push (C) one or more times to select the
MENU
"M-2" screen (M-2 menu).
r D) one or more times to turn ON the
Touch [TONE](
DTCS function.
• "DTCS" appears.
• Touch [TONE](D) to toggle between "TONE," "TSQL,"
"DTCS" and OFF (icon disappears).
t D) for 1 second to display the "TONE"
Touch [TONE](
screen.
• "DTCS Code" appears.
y
Rotate the Dial to select the desired DTCS code
number. And touch [POL](D) to select the desired
code polarity.
NN: Normal polarity is used for both transmit and
receive. (Default)
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.
• If desired, touch [DEF] for 1 second to reset to the default
setting.
u
Push (C) to exit the "TONE" screen.
MENU
i
Communicate in the usual manner.
• The tone squelch opens only when you receive a signal
containing a matching subaudible tone.
• Subaudible tones are superimposed on your transmit sig-
nal.
• Available DTCS codes
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
DTCS icon
Touch for 1 second
to reset to default
4-23
Touch [TONE]
for 1 second
DTCS code DTCS polarity