Program Mode and the Program Editor
The PERC Page
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key is held down get no percussion. On keyboard models, you can turn percussion on or off by 
pressing Assignable Controller Button 5 (Mute button 5).
Volume
This parameter switches between loud and soft percussion settings. The actual amplitude is set 
on the PERC2 page. On keyboard models, you can toggle between loud and soft by pressing 
Assignable Controller Button 6 (Mute button 6).
Decay
This parameter switches between fast and slow percussion settings. The actual decay rate is set 
on the PERC2 page. On keyboard models, you can toggle between slow and fast decay by 
pressing Assignable Controller Button 7 (Mute button 7).
Harmonic
This parameter switches between high and low harmonic percussion settings. The actual pitch is 
controlled by the LowHarm and HighHarm parameters. On keyboard models, you can toggle 
between low and high harmonics by pressing Assignable Controller Button 8 (Mute button 8).
VelTrack
Here is where you specify the degree to which key velocity controls percussion volume. A value 
of zero corresponds to no velocity tracking, which is like a real tone wheel organ. Other values 
add velocity tracking, so that increased velocity results in louder percussion.
LowHarm
Controls which drawbar is used as the basis for the percussion when Harmonic is set to Low. On 
an actual tone wheel organ, this is Drawbar 4 (2nd harmonic). The actual pitch obtained 
depends on the drawbar tuning.
HighHarm
Controls which drawbar is used as the basis for the percussion when Harmonic is set to High. 
On an actual tone wheel organ, this is Drawbar 5 (3rd harmonic). The actual pitch obtained 
depends on the drawbar tuning.
StealBar
Controls which drawbar is disabled (if any) when the percussion effect is turned on. On an 
unmodiÞed tone wheel organ, the ninth drawbar is the one disabled. Any drawbar can be 
selected, including None.