Freedom Scientific RUBY 10 - Physical Controls; Physical Button Overview

6 RUBY 10 Advanced Features and Functions
For example, pressing the blue Color Mode button for about three seconds
results in information about this button scrolling across the top of the
screen. Pressing the Main Menu button for three seconds, as shown in the
following drawing, results in “Open Main Menu” displayed on the screen.
You can close the help by tapping the Cancel button to the right of the text
box.