The following procedure can be used to clear the internal memory and reload the factory settings in the TD-9:
(CAUTION: All USER information will be lost. Be sure to back up any information you wish to keep.)
1. Press SETUP so it's lit.
2. Press F3 four times.
(CAUTION: All USER information will be lost. Be sure to back up any information you wish to keep.)
1. Press SETUP so it's lit.
2. Press F3 four times.