Bill,
Are you sure you selected the correct midi channel on the VR? I havn't touched mine in years, but I believe it's channel 2 that must be selected. If it's not responding, and the midi channel is properly selected, there's a good chance one of the chips has went bad. The chips are dirt cheap, about $12 to $20, and a good technician can replace the faulty one in less than 20 minutes.
Good Luck,
Gary
[This message has been edited by travlin'easy (edited 07-25-2008).]
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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.)