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Foot pistons

There are several foot pistons on the Mátyás organ that are available to wire to your organ console. The following figure show them highlighted.

 
Button
Effect
Left side top, left to right
II+V
II+V coupler
II+IV
II+IV coupler
II+III
II+III coupler
II+I
II+I coupler
Crescendo ab
Disables the crescendo wheel
Left side bottom, left to right
T/P
General tutti for the pedal only
P+V
P+V coupler
P+IV
P+IV coupler
P+III
P+III coupler
P+II
P+II coupler
P+I
P+I coupler
-
Combination frame decrement
Right side top, left to right
Zungen ab
Disables all reeds temporarily
unlabeled
-
unlabeled
-
G
Combination frame G
H
Combination frame H
TT
General tutti for the whole organ
Right side bottom, left to right
 
+
Combination frame increment
A
Combination frame A
B
Combination frame B
C
Combination frame C
D
Combination frame D
E
Combination frame E
F
Combination frame F