Use the following procedure to clear the BK-3's internal memory and reloads its factory settings.
Caution:: All User information will be lost when you restore the BK-3's factory settings. Before proceeding, be sure to back up any information you wish to keep!
1. Press the MENU button so it is lit.
2. Use the DOWN arrow button to select "Factory Reset."
3. Press ENTER to display "Factory Reset. All Factory data will be restored. Continue?"
4. Use the UP / DOWN arrow buttons to select "YES" and press ENTER.
NOTE: The display will show "Executing ... Please wait!" followed by "Operation complete."
Caution: Never turn off the power during a Factory Reset. This may corrupt the BK-3's internal data and prevent the BK-3 from powering up again.