Icom IC-F3161D Instruction Manual - Page 32
SPEAKER MICROPHONE, ■ Optional HM-169/HM-170GP description, ■ To attach
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7 SPEAKER MICROPHONE ■ O ptional HM-169/HM-170GP description TOP KEY (for HM-170GP only) Desired functions can be programmed by your dealer. PTT SWITCH Push and hold to transmit; release to receive. GPS ANTENNA (for HM-170GP only) Microphone Speaker Belt clip ■ To attach Attach the connector of the speaker-microphone into the multi connector on the transceiver and tighten the screw. CAUTION: Attach the multi connector snugly, but do not overtighten. A loose connection will allow water intrusion into the connector; an overtightened connector will damage the connector pins in the transceiver. Turn the transceiver power OFF when attaching or detaching the microphone. This illustration is desicribed with HM-170GP. 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-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. 27 IMPORTANT: KEEP the connector cover attached to the transceiver when the speaker-microphone is not in use. (p. 3) 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 abnormally if the connector becomes wet.