Boox Color Series User Manual page 13

support auto connection after disconnected.
Rotation
Easily change the orientation of the screen by clicking the direction you
want.
Refresh Mode
3 levels of refresh mode are available.
Normal Mode(default): good display effect, suitable for general text
reading.
Speed Mode: with slight ghosting, suitable for quickly reading image and
text.
A2 Mode: Ghosting may exist, suitable for scrolling pages with image and
text.
After selecting a new mode, to adjust the contrast could get a better
effect;
General contrast works for all interfaces, and other contrast adjustment in
App optimization may cause superimposed effect. It is recommended to
only use one of them.