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Descriptions of Parameters
Setup Editor Parameters
The Transpose Menu
Transposition
Sets the amount of transposition for the current zone. In the default setup, there's no
transposition on any of the zones. Intuitive entry is handy for editing this parameter. There's an
example on page 4-6 that describes how it works.
The Velocity Menu
The parameters in this menu control the PC1's response to the attack velocity of the notes you
play--in other words, how hard you strike the keys. The settings for the velocity parameters
affect both the PC1's sounds, and the MIDI information the PC1 transmits via its MIDI Out port.
A Bit of Background
When you strike a key, the PC1 generates a Note On message with an attack-velocity value
corresponding to how hard you strike the key. Attack-velocity values range from 1 to 127; they
never go lower than 1 or higher than 127. A value of 1 is the softest and 127 is the loudest.
The velocity parameters interact extensively with each other, so changing one parameter's value
can alter the way that others affect the PC1's velocity response. We'll give you a few examples of
this interaction. More to the point, it's quite complicated to describe all the possible ways you can
use these parameters in combination with each other. As we describe each parameter, the
description assumes that all the other parameters are at their default values. Experimenting with
different combinations is the best way to understand how these parameters interact.
You can use the velocity parameters in several interesting ways: customizing the keyboard for
your playing style; compensating for velocity-response differences in instruments receiving MIDI
from the PC1; triggering different sounds as you play softer or harder (see Velocity Switching on
page 4-15 to learn how to trigger different sounds at different velocities).
To illustrate how the velocity parameters work, we've included a number of graphs with the
parameter descriptions. In each graph, the horizontal axis (labeled Keystrike Velocity) represents
how hard you play. The vertical axis (labeled Final Attack-Velocity Value) is the attack-velocity
value that gets sent to the PC1 to and to the MIDI Out port after any adjustments resulting from
non-default values for the velocity parameters. The lines in the graph are the velocity curve--which
shows the relationship between every possible keystrike velocity value and the resulting final
attack-velocity value.
Velocity Scale (Vel Scale)
Increases or decreases the PC1's velocity sensitivity. The value for all zones in the default setup is
100%--think of this as the normal value. Higher values increase the sensitivity; notes get louder
faster than normal as you play harder. Lower values decrease the sensitivity; notes get louder
slower than normal as you play harder. You'll notice the difference more when you're playing
hard than when you're playing softly.
You can set negative values for Vel Scale, but doing so isn't useful unless you also change the
value of the Vel Offset parameter (this is one of those interactions we mentioned). See Vel Offset
for more information.
5-8
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Table of Contents
Troubleshooting
