Icom IC-M423GE Instruction Manual

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728 OTHER FUNCTIONS■ Using the RX SpeakerThe RX Speaker function enables you to hear the receivedaudio through a PA speaker.Connect a PA speaker as described on page 84.q Push [RX ] to enter the RX Speaker mode.• The RX Speaker volume level adjustment screen is displayed.w Rotate Dial or push [Y]/[Z]/[Ω]/[≈] to adjust the RXSpeaker volume level, and then push [ENT].• “RX ” is displayed.e Push [RX ] to return to the normal operating mode.• “RX ” disappears.To adjust the audio output level in the RX Speaker mode,hold down [RX ] for 1 second to display the RX Speakervolume level adjustment screen, and then rotate Dial. Afteradjusting, push [ENT] to set it.■ Using the PA (Public Address)The transceiver has a PA function to make announcementsthrough a PA speaker.Connect a PA speaker rated at more than 10 W at 10% distor-tion with a 4 ˘ load, as described on page 84.• Transmitting is disabled while in the PA mode.q Push [PA] to enter the Public Address mode.w Hold down [PTT] and speak at your normal voice level.• While holding down [PTT], the screen below is displayed.• Rotate Dial or push [Y]/[Z]/[Ω]/[≈] to adjust the PA volume level.e Push [EXIT] to return to normal operating screen.While in the PA mode, the transmit and receive functionsare disabled. When the transceiver is transmitting, the PAfunction is disabled.