Speaker-Microphone; Optional Hm-168 Description - Icom IF50V Instruction Manual

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I Optional HM-168 description
Alligator type clip
To attach the speaker-mic.
to your shirt or collar, etc.
PTT switch
Transmits while pushed
Receives while released
Microphone
Speaker
Turn the transceiver power OFF
when connecting the HM-168.
NEVER immerse the connector in water. If the connector becomes
wet, be sure to dry it BEFORE attaching it to the transceiver.
NOTE: The microphone is located at the top of the speaker-mi-
crophone, as shown in the diagram above. To maximize the
readability of your transmitted signal (voice), hold the micro-
phone approx. 5 to 10 cm (2 to 4 inches) from your mouth, and
speak in a normal voice level.
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SPEAKER-MICROPHONE