In my PB 302, I have mapped the lower right key to move forward and lower left key to move backward. When I view a pdf (by pdfviewer) in portrait mode and zoom to fit width, almost 3/4th of the document is shown in a view, pressing lower right key is not moving forward to show the balance 1/4 of the page instead it goes to next page. Same is with lower left key, it goes to previous page starting and not moving backward.
I do not face this problem in landscape orientation with any zoom setting. Also in portrait mode and with zoom 200% or more, we do not have this problem.
Is this a bug? Can this be solved in next release of the firmware?