Do you have a foot-switch connected? If so, try disconnecting it - if the switch is faulty and the system is set to use the foot-switch as a Glide effect, this can cause the Right hand section of the keyboard to sound a semi-tone lower than the Left section.............
The 'Count-In' is just an alternative to using one of the musical Intros
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Willum
After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley
( especially when the music is played on a KN7000....)