Dtcs Code Squelch Operation - Icom IC-705 Advanced Manual

2. ADVANCED OPERATIONS

DTCS code squelch operation

FM mode
The Tone squelch opens only when you receive
a signal that includes a matching DTCS code in
the FM mode. You can silently wait for calls from
other stations using the same tone.
When you transmit, the DTCS code is
superimposed on your own signal.
1. Push .
• Opens the FUNCTION screen.
2. Touch [TONE].
3. Touch the DTCS code type. (Example: DTCS)
4. Touch [TONE] for 1 second.
5. Rotate to set a DTCS code.
About the DTCS code types indication
DTCS: DTCS Code function
DTCS(T) ("DTCS" blinks):
DTCS code in TX, Tone off in RX
TONE(T)/DTCS(R) ("T" in "T-DTCS" blinks):
Repeater tone in TX, DTCS code squelch
in RX
DTCS(T)/TSQL(R) ("D" in "D-TSQL" blinks):
DTCS code in TX, Tone squelch in RX
Checking another station's DTCS code
You can check another station's tone code by
tone scanning while the station is transmitting.
1. Touch [T-SCAN].
Blinks while scanning
• The scan starts, and then stops when the
matching DTCS code from the other station is
received.
2. To close the TONE FREQUENCY screen,
push .
Selectable 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
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