TS-12 Musician’s Manual Section 1 — Controls and Basic Functions
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• MODULATION WHEEL — Perhaps the most common use of the Mod Wheel is to add
vibrato, but it can also be assigned as a modulator anywhere within the TS-12 voice
architecture to alter the pitch, brightness, volume, effect parameters, and a great many other
aspects of the sound.
Pressure (After-touch)
Another important controller is Pressure. Pressure (often called after-touch) is a modulator that
allows you to change the sound in various ways by pressing down harder on a key or keys after
the initial keystrike. The TS-12 keyboard is capable of generating Channel Pressure and can
receive Poly-Key™ Pressure via incoming MIDI.
Like the mod wheel or foot pedal, pressure is a modulator, and can be chosen wherever a
modulator is selected in the Programming section of the TS-12. Pressure can be assigned to alter
the pitch or volume of voices, the filter cutoff frequency, LFO rate or depth, pan location, etc.
There are two types of Pressure:
• Channel Pressure, also called Mono pressure, affects all notes that are playing when you exert
pressure on any of the keys. For example, if you play a three-note chord, pressing down
harder on any of the three notes of the chord will modulate all three notes. This type of
pressure is the more common of the two types.
• Poly-Key Pressure, also referred to as polyphonic pressure, affects each key independently.
For example, if you play a three-note chord, pressing down harder on any of the three notes of
the chord will modulate only that note. The other two notes will remain unaffected. Although
the TS-12 keyboard will not generate Poly-key pressure, it will receive it via incoming MIDI.
Each preset or sequencer track can be programmed to receive Poly-Key pressure, channel
pressure or none at all. If you wish to change the pressure type for a given track, you can do
so on the second sub-page of the Performance Options page in the Track Parameters section of
the TS-12.
Note that pressure generates a tremendous amount of data, and will consume sequencer memory
much faster than other types of events, such as notes and program changes. You should turn
pressure off when sequencing instruments which do not respond to pressure, such as piano and
drum sounds.
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