The following steps will guide through restoring the factory settings (initializing).

Performing initialization causes all data to be lost. Data that is needed can be saved to a USB flash drive:
Backing Up Data to a USB Drive
Restoring Data from a USB Drive

1. Turn off the M-5000.
2. Go to the Display section on the top panel, and while holding down the [MENU] button and [VIEW] button, turn on the power to the M-5000.
3. Tap <FACTORY INITIALIZE>. A popup prompting you to confirm the initialization operation is displayed.
4. Tap <INITIALIZE>. Initialization starts.
   Note: The factory reset will require approximately 10 minutes.
5. When “Factory Initialize completed.” appears, tap <OK>.
6. Turn off the power.