Penpower Picasso (Win/Mac) - Manual (Page 14)

This feature allows you to ‘map’ your tablet to your monitor(s).
You may allow the tablet to fit the size of you monitor by clicking
“Full Area” , or to a particular monitor, and you may also map it to
a portion of your monitor.
There are 2 modes that are available for your Muse: Pen
Mode or Mouse Mode. Pen Mode is recommended for drawing
applications, and Mouse Mode is good for navigating on your
computer.
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Tablet Preferecnes Setting: Express Keys
This menu is to configure the 10 “ExpressKeys” on both sides
of the Muse tablet.