If you have a Visor Prism, you already know that you can adjust its brightness by holding the power button. SG, one of our readers, has found a way to adjust the contrast of the Prism. This is especially helpful for those that have shimmer problems with the Prism. Here is the procedure:
Go to Prefs
Change Date to Jan 1 1904
Hold down the Prism's Power button
Adjust Brightness (this is actually Contrast) to the left (~1/3 of they way to correct shimmering)
How SG found this I have no idea. Click here for the discussion on the secret fix. I wonder what date fixes the 4 KB Memopad limit?