MPX-500 - Factory Reset
Frequently Asked Questions
Written by Jose Liberio Cruz
Updated at August 6th, 2026
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Brand:
- Lexicon
Models:
- MPX-500
How do I factory reset my MPX-500?
Warning!
This will erase all user presets and settings.
- Power down the unit.
- Simultaneously hold the Bypass button and power on the unit.
- Continue to hold the bypass button until the LED on the Store button flashes.
- Turn the Program Select knob until “13 Init" displays on the LCD.
- Push the program select button in to reinitialize the unit.
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