If you'd like to redo the HPD-20's settings from scratch, you can use the following procedure to clear
the internal memory and reload its factory settings.
Caution: All USER information will be lost. Be sure to back up any information you wish to keep.
1. Press MENU.
2. Press the cursor right arrow button (>) to highlight the "SYS" icon and then press ENTER.
3. Press cursor down to highlight "Factory Reset."
4. Press ENTER twice.
5. Press cursor right (>) to highlight "YES."
6. Press ENTER.