Penpower Picasso (Win/Mac) - Manual (Page 4)

2. When / Multimedia button is pressed, the touch pad
becomes a zoom-in/out function. And when the Auxiliary
button is also pressed, touch-pad becomes a volume-control
function.
3. When / Direction button is pushed, touch-pad become
as a four direction keys. And when Auxiliary key is also
pushed, circular touch-pad becomes a Page up/Page down/Home/
End function.
Express Keys
The default functionof each Express key is as the indicator
on the diagram of previous page. You can reset the customizable
the Hot keys to perform frequently used functions except Eraser
buttons.