Zoom F8n Pro Operation Manual page 238

Using SD card recording and audio interface functions at the same
time (Audio Interface with Rec)
In addition to the two SD cards, a computer can also be used for recording backup.
■ Connecting to a computer
1.
Press .
This opens the Menu Screen.
2.
Use to select "USB", and press
3.
Use to select "Audio Interface with Rec", and press
4.
Use to select "On", and press
.
.
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