Icom IC-M88 instruction manual Speaker-Microphone, HM-138 Description, Attachments

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SPEAKER-MICROPHONE 10

■HM-138 Description

Alligator type clip

To attach the speaker-mic. to your shirt or collar, etc.

PTT switch

Transmits during push

Receives during release

Microphone

Speaker

NEVER immerse the connector in water. If the connector be- comes wet, be sure to dry it BEFORE attaching it to the trans- ceiver.

NOTE: The microphone is located at the top of the speaker-microphone, as shown in the diagram above. To maximize the readability of your transmitted signal (voice), hold the microphone approx. 5 to 10 cm (2 to 4 inches) from your mouth, and speak in a normal voice level.

■Attachments

Insert the connector of the speaker-microphone into the [SP MIC] connector on the transceiver and tighten the screw.

		Detaching:
	w	Unscrew (q),
	w	then detach the
		then detach the
q		jack cover (w).

Attaching: Attach the jack

e cover (e), th- en tighten the screw (r).

r

CAUTION: Attach the speaker-microphones connector securely to prevent accidental dropping, or water intrusion in the connector.

IMPORTANT: KEEP the [SP MIC] jack cover attached (transceiver) when the speaker-microphone is not in use as illustrated above. Water will not get into the transceiver even if the cover is not attached, however, the terminals (pins) will become rusty, or the transceiver will function ab- normally if the connector becomes wet.

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Contents IM88 Safety Training Information Case of Emergency Clean the Transceiver Thoroughly with FreshMay occur Word Definition RwarningEquipment damage may occur If disregarded, inconvenience only. No riskPrecaution Table of Contents Priorities Operating RulesPrivacy Radio licensesSupplied Accessories and Attachments Supplied accessoriesSwivel belt clip Handstrap Flexible antennaFront, top and side panels Panel DescriptionCHANNEL/WEATHER Channel Switch CH/WXU/I/C/L Channel UP/DOWN Switches Y/ZSquelch Switch SQL p 0PTT Switch PTTFunction display 2DUPLEX Indicator 3SUB Channel Readout4CHANNEL Number Readout Channel selection Basic OperationChannel Channel 9 Call channelTo change the channel group, push CH/WXU/I/C/L for 1 sec S.A., International and Canadian channelsReceiving and transmitting Rotate VOL clockwise to turn power onVoice scrambler operation Adjusting the squelch levelAutomatic backlighting Activating the scramblerLock function Call channel programmingScan types Scan OperationPriority Scan Normal ScanStarting a scan Setting tag channelsDescription DUALWATCH/TRI-WATCHOperation DUALWATCH/TRI-WATCH SimulationLand Channel Group Land Channel OperationSET mode programming SET ModeSET mode operation Push SQLScan resume timer St SET mode itemsBeep tone function bP Weather alert function ALAuto scan function AS Monitor switch action SqDual/Tri-watch function dt Automatic backlighting bLAuto power save function PS LCD contrast selection LCSelf check function SC Function Indication Switch Battery voltage indicator btBattery charging Battery ChargingEyelet Charging connectionsOptional BP-226 battery case AD-100 installation Optional battery chargers Rapid charging with the BC-119N+AD-100Rapid charging with the BC-121N+AD-100 SPEAKER-MICROPHONE HM-138 DescriptionAttachments Problem Possible Cause Solution TroubleshootingUSA INT VHF Marine Channel ListGeneral Receiver SpecificationsIM88 Quick ReferenceVoice Scrambler p Options Count on us