Icom IC-F3031S / F4031S Instruction Manual - Page 27

Speaker Microphone

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6 SPEAKER MICROPHONE ■■ Optional HM-168LWP description Alligator type clip To attach the speaker-mic. to your shirt or collar, etc. PTT switch Transmits while pushed Receives while released Microphone ■■Attachment Attach the connector of the speaker-microphone into the [SP MIC] jack on the transceiver and tighten the screws with fingers. N OTE: Use only your fingers instead of tools to tighten the screws. CAUTION: Attach the connector snugly. A loose connection will allow water intrusion into the connector. Speaker Turn the transceiver power OFF when connecting the HM-168LWP. Hand tighten 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 as shown in the diagram above. To maximize the readability of your transmitted signal (voice), hold the microphone approximately 5 to 10 cm (2 to 4 inches) from your mouth, and speak in a normal voice level. IMPORTANT: Keep the [SP MIC] jack cover attached to the transceiver when the speaker-microphone is not in use. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 22

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6
SPEAKER MICROPHONE
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Optional HM-168LWP 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-168LWP.
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 as shown in the dia-
gram above. To maximize the readability of your transmit-
ted signal (voice), hold the microphone approximately 5
to 10 cm (2 to 4 inches) from your mouth, and speak in a
normal voice level.
Attachment
■
Attach the connector of the speaker-microphone into the [SP
MIC] jack on the transceiver and tighten the screws with fin-
gers.
NOTE:
Use only your fingers instead of tools to tighten
the screws.
IMPORTANT:
Keep the [SP MIC] jack cover attached to
the transceiver when the speaker-microphone is not in
use.
Hand tighten
CAUTION:
Attach the con-
nector snugly.
A loose connection will al-
low water intrusion into the
connector.