Boss Audio Systems RT-20 Musical Instrument User Manual


 
11
Front Panel
Names of Things and What They Do
RISE TIME Knob
This adjusts the rate at which the rotation changes from slow to fast and vice versa.
When this knob is at the center position, the rotary speaker rotation changes at the standard rate.
MODE Knob
Use this to select the rotary
speaker effect from the four
available types.
“Mode List” (p. 13)
BALANCE Knob
This adjusts the balance in volume from
the horn rotor and bass rotor inside the
rotary speaker with the BALANCE knob.
* When MODE is set to IV, this knob adjusts
the intensity of the UNI-V effect.
OVERDRIVE Knob
This knob adjusts the
depth of the overdrive
effect. Switch to OFF
when overdrive is not
being used.
FAST SPEED Knob
This adjusts the rotor’s rotation
speed when FAST is selected.
When the knob is at the center
position, it sets the rotor’s
rotation speed to the standard
rotation speed.
SLOW SPEED Knob
This adjusts the rotor’s rotation speed when
SLOW is selected.
When the knob is at the center position, it sets
the rotor’s rotation speed to the standard
rotation speed.
Turn the knob completely to the left to have the
rotor facing directly toward the front when
stopped.
DIRECT LEVEL Knob
This adjusts the volume level of the
direct sound.
* If you want to reproduce the regular
rotary speaker sound, turn this knob
completely to the left to shut off the
direct sound.
EFFECT LEVEL Knob
This adjusts the volume level
of the effect sound.