Icom IC-M502 Instruction Manual

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Icom IC-M502 Instruction Manual Manual pdf 55 page image

5113HM-127 REMOTE-CONTROL MICROPHONEn Receiving and transmittingq Push [PWR] to turn power ON.w Push [VOL], then [Y]/[Z] to adjust audio output level.• Push [SQL], then [Y]/[Z] to mute any audio nose, if necessary.e Push [Y]/[Z] to select the desired channel.• When receiving a signal, “ ” appears and audio is emittedfrom the speaker.• Further adjustment of audio level may be necessary at this point.• Use the optional voice scrambler function for privacy. (pgs. 10,53)r 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 distancecommunications.• Some channels are low power only.t Push and hold [PTT] to transmit, then speak into the mi-crophone.• “ ” appears.• Channel 70 cannot be used for transmission (for GMDSS use).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-ters.y Release [PTT] to receive.IMPORTANT: To maximize the readability of your trans-mitted signal (voice), pause a few sec. after pushing [PTT],hold the microphone 10 to 15 cm (4 to 6 inches) from yourmouth and speak at a normal voice level.n RF attenuator functionå Push [LO/DX] to turn the RFattenuator function ON andOFF.w Set volumew Set squelch,if requiredr Set output powert Speak intomicrophoneq Turn power ONe Set channelt Push totransmity Releaseto receiveAppears when the RFattenuator function is in use