Leslie - Hammond XK-3 Owner's Manual

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LESLIE EFFECT is the simulated sound of the rotating speakers.
If you connect the real Leslie speakers to this keyboard, it controls those (speakers)
[ON] BUTTON
If you touch this button, the LED will light, and the rotor starts turning. Also the
voice is heard thru the rotary channel.
[FAST] BUTTON
This switches the speed of the rotor in two steps. It switches every time you touch
it. When the LED is ON, it is FAST, and when the LED is off, it is SLOW.
[BRAKE] BUTTON
This button sets the action when the [ON] button is OFF.
When the LED is light, it is BRAKE (= The speed gradually slows down and
stops.) and if the LED is OFF, it is THROUGH. (= The Leslie effect is by-passed
and the voice comes out of the stationary channel.)
NOTE: You may not be able to control the Break or Through on some Leslie models.
NOTE: You can fine-set the LESLIE effect i.e. speeds. (P. 68)

LESLIE

Owner's Manual
BUTTONS AND LESLIE STATES
Button
BRAKE ON
On On
Off On
On On
Off On
On Off
On Off
Off Off
Off Off
WHAT IS THE LESLIE EFFECT?
In the Leslie speakers, generally, an amplifier and two rotors are
incorporated, i.e. the "Horn Rotor" responsible for the treble and
the "Bass Rotor" for the bass.
Each rotor has a speaker or speakers and a motor for controlling
speed to give the unique trembling sound gained by the Doppler
effect.
There also exist such models as have not only the rotors but
stationary speakers - switchable.
The circuit to send the sound to the rotor is called "Rotary
Channel" and that to the stationary speaker is called "Stationary
Channel".
The built-in Leslie Effect simulates them and you can get the best
effect when connected stereophonic.
State
CH=2or3 &
FAST CH=1 Internal
Leslie Effect
On
Fast
On
Off
Slow
Off
On
Brake
Off
On Fast Through
Slow Through
Off