Boss Dr. Rhythm DR-3 Owner's Manual page 36

Chapter 1 Overview of the DR-3
Kits
The drum, percussion, and bass sounds used in performing patterns are referred to as "kits."
The Styles have predetermined kits assigned to them, so you can change kits by changing Styles,
and thus change the sounds played with the pads.
Variation
Variation is a function that alters performances, for example building up the performance or
toning it down.
There are three kinds of variations, [PTN] (Pattern), [KIT], and [MUTE].
[PTN]
This alternates the Pattern.
The three kinds of variations are switched on and off with the VARIATION [PTN], [KIT] and
[MUTE].
fig.01-vari
TSC
"TSC," short for "Total Sound Control," is a function that lets you change the overall tone of the
sound and acoustics.
TSC includes two kinds of effects, "SOUND SHAPE" and "AMBIENCE."
"SOUND SHAPE" adjusts the overall tone of the sound with a three-band equalizer and three-
band compressor that are used to boost or cut specific pitches (frequency bands).
"AMBIENCE" adjusts the breadth of the sound by altering the acoustic characteristics of the
sound.
You can select the TSC settings that sound best with each Style, and you can switch [SOUND
SHAPE] and [AMBIENCE] on and off independently.
fig.01-tsc
Tempo
Each Style includes a tempo setting suited to that Style.
After you select a Style, you can perform with a different tempo, and even change the tempo
while the performance is in progress.
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[KIT]
This substitutes the kits,
thereby changing the sound.
Kit
Pattern
[MUTE]
This mutes a part of the drum
set. This is used to tone down the
performance and bring solos out
to the forefront.
Mute