The ColorMouse-USB-RM has three separate viewing modes that the user can switch between… there is still the basic Color image and now it has the option to switch to a black background with white text image or a high contrast white background with black text image, which is called Reverse Mode (negative/positive images).
INSTRUCTIONS:
1) Install the driver from the supplied CD the first time you use a ColorMouse-USB.
2) Thereafter, each time you use the magnifier, simply plug it in to a USB 2.0 port and click the application icon on your desktop.
3) Hold the ColorMouse-USB in your hand, just like a computer mouse, and whatever you move your hand over appears magnified on your screen.
4) That's it. Enjoy reading or working.

To switch from the full Color Mode to Reverse Mode (white text on black background), press the smaller round button at the back of the magnifier.
To switch from the Reverse Mode to Enhanced Mode (pure black text on pure white background), press the small round button again.
To switch back to Full Color Mode, press the small round button one last time.