My Pro1x has arrived and this forum has been a huge assistance. I very much appreciate the time and consideration that users have put into their very helpful posts.
From my forum searches, and my own experience, both Button Mapper and Button Remapper, fine programs in their own right, are problematic on the Pro1x. Both rearrange the hkb keys (eg: no pipe, / = ?). Furthermore, Button Mapper adds a repeated letter in texts and documents when said letter is used to activate a program (eg: if long-pressed T activates a thesaurus, when simply typing T in a document, the T will double itself;