What Do All Of These Buttons Do?

D-Pad- This is the directional pad with up, down, left, and right keys, it is used to navigate menues and files.

OK- This is used to confirm selections in most menus

on/off- holding this button for three seconds will power the unit on or off

Mode- This button allows you to move back one menu level

A- Used to snap a picture in camera mode, used as a function key in most other modes

B- Used as a function key