Ravo MP-10 Owner's Manual - ● Cannot Change Patches
Manual is about: Guitar/Bass Multi-Effects Processor
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● The expression pedal is not working well
● Sound is distorted/tone is extreme
•The unit might be in “pre-patch-select mode”.
•If it is, turn the power OFF and ON again to restart in the normal mode.
● Cannot change patches
• Check the expression pedal settings.
• Calibrate the expression pedal.
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• Try adjusting the Gain and Level parameters of the DRIVE module.
• Check your guitar, cable, and amplifier.