While I was setting display contrast, I accidently shut off the DataMate. Unfortunately, the contrast was so low that all the characters disappeared. How can I reset the contrast?

Follow these steps to navigate to the Contrast menu.

1. Switch power off and then on again.  (The hidden cursor is now on Read)
2. Press the right-arrow key 3 times, then press Enter. (Cursor is now on Utilities)
3. Press the right-arrow key 5 times, then press Enter. (Cursor is now on Contrast)
4. Press down arrow until characters reappear.