Yamaha PSR-540 - Manual (Page 120)

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Touch Sensitivity
The keyboard of the PSR-540 is equipped with a touch response feature that lets you
dynamically and expressively control the level of the voices with your playing strength
— just as on an acoustic instrument. The Touch Sensitivity parameter gives you
detailed control over the touch response feature by letting you set the degree of touch
response.
Voice Set
The Voice Set feature brings out the best in each individual voice by automatically
setting a range of important voice-related parameters whenever an R1 panel voice is
selected. The parameters that may be set by the Voice Set feature are listed below. This
function lets you turn Voice Set on or off, as required.
● Voice Set Parameter List
• Voice R1 (Volume, octave, pan, reverb depth, chorus depth, DSP depth)
• Voice R2 (Voice number, volume, octave, pan, reverb depth, chorus depth, DSP
depth)
• Harmony Type, Volume, Part setting
• DSP on/off, type, return level and FAST/SLOW
• Set the value with the data dial, the [+/YES] button, the [-/NO] button or the
number buttons [1]-[0].
The range is from 0 to 127. The greater the value, the more sensitive the keyboard is to
your playing strength, and the more dynamic range that can be brought out of the
voices.
A setting of “0” results in a fixed touch response, or no level change no matter how
hard or how soft you play the keys. (This setting is good for instrument sounds such as
organ or harpsichord, which normally do not have touch response.) You can also
achieve the same effect by turning touch response off with the [TOUCH] button on the
panel (the indicator turns off).
• Turn Voice Set On or Off by using the data dial, the [+/YES] button or the
[-/NO] button.
Other Functions (Utility)
Voice Set =On
Touch Sense =127
DSP(FAST)
SUSTAIN HARMONY
TOUCH