Tone Squelch And Pocket Beep; Tone/Dtcs Squelch And Pocket Beep - Icom IC-V80 Instruction Manual

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8

TONE SQUELCH AND POCKET BEEP

■ Tone/DTCS squelch
D Tone squelch and DTCS squelch
The tone squelch or DTCS squelch opens when a sig-
nal with the same pre-programmed subaudible tone or
DTCS code is received.
D Setting tone frequency or DTCS code
q Push [FUNC](M), and then push [SET](8) to enter the
Set mode.
w 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 "
blinks when selecting the DTCS code item.
e Rotate [VOL] to set the desired tone frequency, or
DTCS code.
r Push [# ENT] to exit the Set mode.
D Setting DTCS polarity
For DTCS operation, the polarity setting is also confi gu-
rable, as well as the code setting. If the polarity is differ-
ent, the DTCS squelch never opens, even when receiv-
ing a signal that includes a matching DTCS code.
q Push [FUNC](M), and then push [SET](8) to enter the
Set mode.
w Push [Y] or [Z] to select the DTCS polarity item
(dtP).
e 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
r Push [# ENT] to exit the Set mode.
• Recommended CTCSS tones
67.0 79.7 94.8
69.3 82.5 97.4
71.9 85.4 100.0
74.4 88.5 103.5
77.0 91.5 107.2
• Recommended DTCS code
023 051 114 143 174
025 054 115 152 205
026 065 116 155 223
031 071 125 156 226
032 072 131 162 243
043 073 132 165 244
047 074 134 172 245
• The "CTCSS tone" item in the Set mode
CTCSS tone setting (88.5 Hz is selected.)
"
D
• The "DTCS code" item in the Set mode
DTCS code setting (023 is selected.)
• The "DTCS polarity" item in the Set mode
TX and RX: Normal polarity
TX: Reverse, RX: Normal
30
(unit: Hz)
110.9 131.8 156.7 186.2
114.8 136.5 162.2 192.8
118.8 141.3 167.9 203.5
123.0 146.2 173.8 210.7
127.3 151.4 179.9 218.1
251 315 371 445 532 631
331 411 464 546 632
261
263 343 412 465 565 654
265 346 413 466 606 662
271 351 423 503 612 664
364 431 506 624 703
306
311 365 432 516 627 712
TX: Normal, RX: Reverse
TX and RX: Reverse polarity
225.7
233.6
241.8
250.3
723
731
732
734
743
754