Kenting K5540 - Function Setting; Pen Buttons Function Setting

2.Function Setting
2.1 Pen Buttons Function Setting
There are two side buttons on the pen. Each can be set to "No Action/ Left Click/
Left Double Click/ Right Click/ Right Double Click/ Middle Click/ Middle Double
Click/ Pen/Eraser Toggle". Select the function on the dialog box and done. The
default setting are Right Click and Middle Click.