Bill,
Is it the three-button switch? If this is the case, mine works great and has never given me a problem. However, there have been times when I experienced a slowdown. The problem was in the software, which after doing a master reset was quickly resolved.
Good Luck,
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)