Icom IC-746PRO Instruction Manual

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Icom IC-746PRO Instruction Manual Manual pdf 55 page image

424RECEIVE AND TRANSMITD Tone squelch operationTone squelch operation is a method of communica-tions using selective calling. Only received signal hav-ing a matching tone will open the squelch. Beforecommunicating using tone squelch, all members ofyour party must agree on the tone squelch frequencyto use.q Push [AM/FM] to select FM mode.w Push [MENU] several times to select M1.e Push [F4 TON] several times to turn the tonesquelch function ON.• “TSQL” appearsr Push [F4 TONE] for 1 sec. to enter tone frequencyset mode.t Push [F1 TON] several times until TSQL Toneappears, if necessary.y Rotate the tuning dial to select the desired tonesquelch frequency.• Push [F3] for 1 sec. to select the default frequency.u Push [MENU] to return to M1.i Communicate in the usual manner.• Available tone squelch frequencies (Unit: Hz)F 1 F 2 F 3 F 4 F 5F 1 F 2 F 3 F 4 F 5A G C D U P C M P T O N S C PT O N S C N 8 8 . 5 H zT S Q L T o n ePush [F4] for 1 sec.67.069.371.974.477.079.782.5085.4088.5091.5094.8097.4100.0103.5107.2110.9114.8118.8123.0127.3131.8136.5141.3146.2151.4156.7159.8162.2165.5167.9171.3173.8177.3179.9183.5186.2189.9192.8196.6199.5203.5206.5210.7218.1225.7229.1233.6241.8250.3254.1