Icom IC-F9021 Instruction Manual 1 - Page 27

6 SPEAKER MICROPHONE ■■Optional speaker microphone (HM-184/HM-184H) 1 D Description Microphone Speaker D To attach 2 Attach the connector of the speaker-microphone into the 3 multi connector on the transceiver and tighten the screw with a coin or flat head screwdriver. 4 5 PTT SWITCH Push and hold to transmit; release to receive. Turn the transceiver power OFF when attaching or detaching the microphone. Belt clip NEVER immerse the connector in water. If the connector gets 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 in.) from your mouth, and speak in a normal voice level. 6 Screw 7 8 Coin 9 CAUTION: Attach the 10 multi connector properly, but do not overtighten. 11 A loose connection will allow water intrusion into 12 the connector; an over- 13 tightened connection will damage the connector 14 pins in the transceiver. 15 16 IMPORTANT: KEEP the connector cover attached to the transceiver when the speaker-microphone is not in use. (p. 2) 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 gets wet. 22