Zoom F8n Pro 8-Input / 10-Track Multitrack Field Recorder - Manual (Page 171)

4.
Use to select the reset mode, and press .
Setting Explanation
Off The take number will not be reset.
However, if the folder is changed and that folder contains a number
higher than the current take number, the take number will be set to
one higher than the highest existing take number.
Folder Change If the destination folder is changed, the take number will be set to
one higher than the highest take number in that folder.
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