The following procedure will clear the internal memory and reload the factory settings:
(CAUTION!!!!: All USER information will be lost!!! Be sure to back up any information you wish to keep!!!)
1. Turn the EM-50 off.
2. While holding down the WRITE button turn the EM-50 back on.
NOTE: Never turn off the power during a Factory Reset. This may result in corrupted internal data and may prevent the power from being turned on again.