ORQA FPV.ONE User Manual page 21

Audio
The DVR also records audio from any of the inputs.
Additionally, DVR can record audio from an external microphone, when
Receiver or AV-In inputs are used. To record microphone audio, plug in the
microphone into the 3.5 mm jack on the left side of the goggles. Make sure
you have the correct pinout of the 3.5 mm jack.
Audio output volume can be adjusted with 5 different levels, from 0-4. 0
means audio off (but you can still record with microphone). 1-4 are different
volume levels where 1 is the minimal value and 4 is the maximum one.
The microphone recording level should be adjusted through the
"Microphone Volume" menu. The default level is set to 50%.
To adjust this setting, press or on the "Microphone Volume" menu
item and then move the main joystick right-left to increase-decrease the
value.
To adjust this setting, press on the "Microphone Volume" menu item and
then move the right-hand joystick right-left to increase-decrease the
value. Once set, press the left-hand joystick to confirm and save.
To adjust the audio recording level of the receiver installed in the receiver
bay, press on the "Receiver Volume" menu item and then move the main
joystick right-left to increase-decrease the value. Once set, press the
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Orqa FPV.ONE User Manual, Rev.1.6
©2020. Orqa Ltd.