Icom HM-127 [8/15] Rf attenuator function

HM 127 REMOTE CONTROL MICROPHONE 1 3 Receiving and transmitting Push PWR to turn power ON Push and hold PTT to transmit then speak into the mi Push VOL then to adjust audio output level Push SQL then A V to mute any audio nose if necessary crophone W appears Push A V to select the desired channel Channel 70 cannot be used for transmission for GMDSS use When receiving a signal QTED appears and audio is emitted from the speaker Further adjustment of audio level may be necessary at this point Use the optional voice scrambler function for privacy pgs 10 53 Push H L to select the output power if necessary LOW appears when low power is selected Choose low power for shorter high power for longer distance communications Some channels are low power only Simplex channels 3 21 23 61 64 81 82 and 83 CAN NOT be lawfully used by the general public in U S A wa iters Release PTT to receive IMPORTANT To maximize the readability of your transmit ted signal voice pause a few sec after pushing PTT hold the microphone 10 to 15 cm 4 to 6 inches from your mouth and speak at a normal voice level Turn power ON RF attenuator function Push to transmit Release to receive Set volume Push LO DX attenuator to turn the function ON RF and OFF 2 Set squelch if required Set channel D Speak into microphone Appears when the RF attenuator function is in use 51

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