Thumb pistons for So-Pd, Sw-Pd, Gt-Pd, Ch-Pd, Gt-So, So-Sw, Sw-Gt, Sw-Ch, Ch-Gt,
So-Ch, So-Gt, Tremolos to Swell, Choir and Solo, Coupler Cancel, Great Trumpet
on Choir (was octave coupler cancel), Great and Pedal Combinations Coupled,
Cancel.
All you have to do is map them to the most convenient pistons on your set-up
Peter