Zoom F8n Pro 8-Input / 10-Track Multitrack Field Recorder - Manual (Page 128)

Capturing audio before recording starts (Pre Rec)
The input signal can be captured for up to 6 seconds before is pressed (pre-recording). This is
useful if, for example, is pressed too late.
1.
Press .
This opens the Menu Screen.
2.
Use to select “REC”, and press .
3.
Use to select “Pre Rec”, and press .
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