Boox Color Series User Manual page 68

After switched toV2 engine, Menu / Format, there is the Original Layout
icon.
The Original Layout support manual modification. After modified, it can be
restored to the Original Layout by tapping the Original Layout icon.
Aside from Fonts, Embolden, Spacing style, other formats all use Original
Layout's settings.
Indentation: This supports 3 modes – Close Indentation, Indent by 2
characters, and the Original Indentation
Reset to Original Layout
Indentation
Original
Layout Icon