Icom IC-F3261D / F4261D Instruction Manual - Page 34

7 SPEAKER MICROPHONE ■■Optional HM-184 PTT SWITCH Hold down to transmit; release to receive. Microphone Speaker Belt clip ■■To attach Attach the connector of the speaker microphone into the multi connector on the transceiver and tighten the screw. Screw Coin Turn OFF the transceiver power when attaching or detaching the microphone. 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 element 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 Approximately 5 to 10 cm (2 to 4 inches) from your mouth, and speak at a normal voice level. 29 CAUTION: Firmly attach to the multi connector, but do not overtighten. A loose connection will allow water intrusion into the connector; an overtightened connection will damage the connector pins in the transceiver. 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.