Zoom F8n Pro Operation Manual page 178

Recording with the slate mic (Slate Mic)
You can use the built-in slate mic to record comments and to keep notes about recorded takes.
■ Setting the volume
1.
Press .
This opens the Menu Screen.
2.
Use to select "SLATE", and press
3.
Use to select "Slate Mic", and press
4.
Use to select "Level", and press
.
.
.
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