​Question:

How do I factory reset my Lexicon MX200?

A​nswer:

Warning: this will erase all user presets & settings.

1. Power down the unit.
2. Simultaneously hold the AUDITION button while powering on the unit. 
3. When the display reads “rE", let go and press the STORE button. 
4. You will see “Fr" and then the unit will reset.