Icom ic-U80 Instruction Manual

Also see for IC-U80: Instruction manual Quick guide

33788TONE SQUELCH AND POCKET BEEPD Tone squelch and DTCS squelchThe tone squelch (CTCSS) or DTCS squelch opens onlywhen receiving a signal that includes a matched CTCSS toneor DTCS code, respectively. You can silently wait for callsusing the same tone or code. Separate tone frequencies canbe set for repeater and tone squelch/pocket beep operation.D Pocket beepThe pocket beep function uses subaudible tones or DTCScodes for calling, and can be used as a “common pager” toinform you that someone has called while you were awayfrom the transceiver.• Recommended CTCSS tones (unit: Hz)67.069.371.974.477.079.782.585.488.591.594.897.4100.0103.5107.2110.9114.8118.8123.0127.3131.8136.5141.3146.2151.4156.7162.2167.9173.8179.9186.2192.8203.5210.7218.1225.7233.6241.8250.3• Recommended DTCS codeD Setting CTCSS tone or DTCS codeq Push [FUNC](M), and then [SET](8) to enter the Set mode.w Push [p] or [q] to select the CTCSS tone item (Ct) or theDTCS code item (dt).• “ ” blinks when selecting the CTCSS tone item, and “D ” blinkswhen selecting the DTCS code item.e Rotate [VOL] to select a desired CTCSS tone or DTCScode.• The recommended CTCSS tone or DTCS code are shown tothe left.r Push [ENT] to exit the Set mode.■ Tone/DTCS squelch and pocket beep023025026031032043047051054065071072073074114115116125131132134143152155156162165172174205223226243244245251261263265271306311315331343346351364365371411412413423431432445464465466503506516532546565606612624627631632654662664703712723731732734743754DTCS code settingCTCSS tone setting[VOL]123456910111213141516171819