Onyx Boox Poke5P User Manual page 77

Gesture Manager
You can choose system
navigation method, either by
Gestures or by Navigation Bar.
There are 3 bottom gestures
and 2 side gestures for Gesture
method. There are two combinations of navigation buttons
for Navigation Bar.
Side Gestures
The Up-and-down Swipe
Gestures are used to adjust
Brightness, Volume, etc. by
dragging the slider up and down.