Hammond B-3 Owner's Manual page 86

86
20. STOP MODE
This sets the mode when the Leslie Speed Switch is at "STOP".
STOP: STOP STOP
STOP STOP
The virtual rotors stop.
THROUGH: THROUGH THROUGH THROUGH THROUGH
The Leslie Effect is bypassed. (Through)
NOTE: This parameter is a Preset Parameter. It is recorded to each Combination Preset.
Owner's Manual