Key bindings for Bookmark Menu not working

[GoogleCodeExporter]

Your model / PRS+ version? PRS 505 / prs_2.1.01alpha

What steps will reproduce the problem?
1. Settings -> PRS+ Settings -> Key Bindings -> Other Buttons -> Holding 
Bookmark Button -> Global -> Book -> BookmarkMenu
2. Hold "Bookmark" button

What is the expected output?
The bookmark menu.

What do you see instead?
The Book History.

Original issue reported on code.google.com by [email protected] on 10 Mar 2013 at 7:25