Boss Audio Systems RT-20 - Manual (Page 7)

7
Operating the RT-20
Pedal Operation
When “ON” When “OFF”
Lit
Off
EFFECT ON/OFF Pedal
Alternately switches the effect on or off
each time the pedal is pressed.
When switched off, the sound input to the
INPUT jack is output without change.
When set to “SLOW” When set to “FAST”
Off
Lit
SLOW/FAST Pedal
Switches the rotor’s rotation speed each
time the pedal is pressed.