Icom IC-V8 Instruction Manual

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369SUBAUDIBLE TONESD Setting subaudible tones for tone squelchoperationSeparate tone frequencies can be set for tone squelch operationthan repeater operation (the same range of tones is available— seebelow). As the repeater tones, these are set in set mode.q Select VFO or memory channel.w Push [A•FUNC] + [8•SET] to enter set mode.e Push [∫] or [√] several times until “Ct” ap-pears when selecting CTCSS, or “dt” ap-pears when selecting DTCS.• “ ” flashes when selecting CTCSS, or “ ”flashes when selecting DTCS.r Rotate [VOL] to select the desired subaudible tone.t Push [#•ENT ] to program the selected tone and exit setmode.When set mode is selected from memory mode.y Push [C•MR] for 1 sec. after [A•FUNC] is pushed.• Emits 3 beeps.• VFO mode is selected automatically.u Push [C•MR] for 1 sec. after [A•FUNC] is pushed.• Emits 3 beeps.The step y and u are necessary when overwriting the memorycontents for permanently. Therefore, the set tone frequency is usedfor temporarily operation only, these steps are not necessary.• Subaudible CTCSS tone frequency listD67.069.371.974.477.079.782.585.488.591.594.897.4100.0103.5107.2110.9114.8118.8123.0127.3131.8136.5141.3146.2151.4156.7159.8162.2165.5167.9171.3173.8177.3179.9183.5186.2189.9192.8196.6199.5203.5206.5210.7218.1225.7229.1233.6241.8250.3254.1MRF TXMRF D TX35SUBAUDIBLE TONES9‘‘ Tone squelchD OperationThe tone squelch opens only when receiving a signal containing amatching subaudible tone. You can silently wait for calls from groupmembers using the same tone.q Set the operating frequency.• Set the AF and squelch to the desired level as the normal operation.w Set the desired subaudible tone in the set mode.• See right for programming.e Push [1•TONE] after [A•FUNC] is pushed.• Repeat several times until “ ” appears when selecting CTCSS, or“ ” appears when selecting DTCS.r When the received signal includes a matching tone, squelchopens and the signal can be heard.• When the received signal’s tone does not match, tone squelchdoes not open, however, the S-indicator shows signal strength.• To open the squelch manually, push and hold [SQL].t Operate the transceiver in the normal way.y To cancel the tone squelch, push [1•TONE] after [A•FUNC] ispushed.• Repeat several times until “ ” or “ ” disappear.NOTE: The transceiver has 50 tone frequencies and conse-quently their spacing is narrow compared to units having 38tones. Therefore, some tone frequencies may receive interfer-ence from adjacent tone frequencies.To prevent interference from adjacent tone frequencies, use thefrequencies as following table is recommended.DD67.069.371.974.488.591.594.897.4114.8118.8123.0127.3151.4156.7162.2167.9203.5210.7218.1225.777.079.782.585.4100.0103.5107.2110.9131.8136.5141.3146.2173.8179.9186.2192.8233.6241.8250.3• Recommended tone frequencies