Icom IC-M87 Instruction Manual

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Icom IC-M87 Instruction Manual Manual pdf 32 page image

■ HM-138 DescriptionAlligator type clipTo attach the speaker-mic.to your shirt or collar, etc.PTT switchTransmits during pushReceives during releaseMicrophoneSpeakerNEVER immerse the connector in water. If the connectorbecomes wet, be sure to dry it BEFORE attaching it to thetransceiver.NOTE: The microphone is located at the top of thespeaker-microphone, as shown in the diagram above. Tomaximize the readability of your transmitted signal(voice), hold the microphone approx. 5 to 10 cm from yourmouth, and speak in a normal voice level.■ AttachmentsInsert the connector of the speaker-microphone into the [SPMIC] connector on the transceiver and tighten the screw.CAUTION: Attach the speaker-microphone’sconnector securely to prevent accidentaldropping, or water intrusion in the connector.Detaching:Unscrew (q),then detach thejack cover (w).Attaching:Attach the jackcover (e), thentighten the screw(r).qwerIMPORTANT: KEEP the [SP MIC] jack cover attachedwhen the speaker-microphone is not in use. If the cover isnot attached, water will get into the transceiver. Moreover,the terminals (pins) will become rusty, or the transceiverwill function abnormally if the connector gets wet.CAUTION! For ATEX compliance in hazardous areas, thejack cover just also be attached when the HM-138 is notbeing used.2610 SPEAKER-MICROPHONE