693 AUDIO1 Adjusting the Microphone Sensitivity (Microphone Gain)You can adjust the input level of the built-in microphone or an optional external micro-phone.1. Press and hold the [DISP] key, and then touch [TX/RX].2. Touch [3 AUDIO].3. Touch [1 MIC GAIN].4. Rotate the DIAL knob to select the desired microphone sensitivity level.5. Select a microphone gain level from LEVEL 1 to LEVEL 9.Remark The default setting: LEVEL 5• Increasing the microphone gain excessively can distort the sound or pick up thesurrounding noise, impairing intelligibility.• Be sure to check the microphone gain whenever the microphone is changed.2 Muting AudioIn the dual receive mode, the audio being received on the non-operating band can bemuted.1. Press and hold the [DISP] key, and then touch [TX/RX].2. Touch [3 AUDIO].3. Touch [2 MUTE].4. Rotate the DIAL knob to select the desired mute setting.OFF Disable the muting audio.MUTE 30% Mute the audio level set to 30%.MUTE 50% Mute the audio level set to 50%.MUTE 100% Mute the audio level set to 100%.3 Simultaneous Radio Broadcast ReceptionSet the time to resume radio broadcast reception after transmit/receive when using si-multaneously receive mode, by selecting [3 AUDIO] → [3 RX AF DUAL].For additional details, refer to the Advanced Manual which may be downloaded from theYaesu website.4 Setting the VOX (automatic voice transmission) FunctionSet the VOX function settings, by selecting [3 AUDIO] → [4 VOX].For details, see “VOX Operation” on page 47.5 Setting the Voice Recording FunctionSet the Voice Recording function settings, by selecting [3 AUDIO] → [5 RECORDING].For details, see “Using the Voice Recording” on page 49.
