![background image](http://html1.mh-extra.com/html/icom/ic-v86/ic-v86_advanced-manual_2038147028.webp)
7
TONE SQUELCH AND POCKET BEEP
7-2
D
Tone squelch and DTCS squelch
The tone squelch or DTCS squelch opens when a
signal with the same pre-programmed subaudible
tone or DTCS code is received.
D
Setting tone frequency or DTCS code
1. Push [FUNC], and then push [SET] to enter the
Set mode.
2. Push [
Y
] or [
Z
] to select the tone frequency item
(Ct) or the DTCS code item (dt).
• “ ” blinks when selecting the CTCSS tone item,
and “
D
” blinks when selecting the DTCS code
item.
3. Rotate [VOL] to set the desired tone frequency, or
DTCS code.
4. Push [# ENT] to exit the Set mode.
D
Setting DTCS polarity
For DTCS operation, the polarity setting is also
configurable,aswellasthecodesetting.Ifthepolarity
is different, the DTCS squelch never opens, even
when receiving a signal that includes a matching
DTCS code.
1. Push [FUNC], and then push [SET] to enter the
Set mode.
2. Push [
Y
] or [
Z
] to select the DTCS polarity item
(dtP).
3. Rotate [VOL] to select the desired polarity.
• “dtP.nn”: Normal
• “dtP.nR”: Normal for TX, reverse for RX
• “dtP.Rn”: Reverse for TX, normal for RX
• “dtP.RR”: Reverse
4. Push [# ENT] to exit the Set mode.
The “CTCSS tone” item in the Set mode
The “DTCS code” item in the Set mode
CTCSS tone setting (88.5 Hz is selected.)
DTCS code setting (023 is selected.)
The “DTCS polarity” item in the Set mode
TX and RX: Normal polarity TX: Normal, RX: Reverse
TX: Reverse, RX: Normal
TX and RX: Reverse polarity
Tone/DTCS squelch
Recommended CTCSS tones
67.0
79.7
94.8
110.9 131.8 156.7 186.2 225.7
69.3
82.5
97.4
114.8 136.5 162.2 192.8 233.6
71.9
85.4
100.0 118.8 141.3 167.9 203.5 241.8
74.4
88.5
103.5 123.0 146.2 173.8 210.7 250.3
77.0
91.5
107.2 127.3 151.4 179.9 218.1
Recommended DTCS tones
023 051 114 143 174 251 315 371 445 532 631 723
025 054 115 152 205 261 331 411 464 546 632 731
026 065 116 155 223 263 343 412 465 565 654 732
031 071 125 156 226 265 346 413 466 606 662 734
032 072 131 162 243 271 351 423 503 612 664 743
043 073 132 165 244 306 364 431 506 624 703 754
047 074 134 172 245 311 365 432 516 627 712