Akai MPC 500 User Manual page 50

The 'Parameter' field is where different properties of the selected note events can be viewed. This field can be selected and changed with the
[DATA] wheel. The following chart details each selection's meaning:
V Velocity This is the setting of the selected pad event's velocity. In the MIDI standard, the speed used to trigger a
note is called velocity. The velocity is shown in 127 steps, with 127 the maximum.
D Duration This is the selected note's duration. In the MIDI standard, pressing a key is called "Note on", releasing a
key is called "Note off". In this field, you will set the time from Note on to Note off. This Value can range
from 0 to 9999 pulses.
Pb (Pitch Bend)
This is the field where you can set the pitch bend value for MIDI notes. Normally this event is used to control the pitch in real time. The
range of MIDI pitch bend is from -8192 to +8191, so to easily accommodate entry in this field, the field is selectable as two separate two-
digit fields. This field can be edited with the [DATA] wheel, or by typing numbers with the pads while holding down the numeric button.
CC (Control Change)
The control change, which is used for various applications, is the most versatile event in the MIDI standard. The control change event
consists of a control number, which determines the type of the control change, and the control change value.
CC Number field
The first number displayed is the MIDI CC number. This determines which controller number will be sent.
Value field
The second number is the MIDI control change value. This determines what value the selected controller will be set to.
Using MIDI CC events, you can control a vast array of parameters on external MIDI modules. Please see your external MIDI module's
documentation for further information on what MIDI CC's control what parameters.
PC (Program Change)
Program change events are normally used to switch the sound of an external sound module. Values of 1 to 128 can be sent. Please consult
your external sound modules documentation for more information on which program corresponds to which MIDI program change number.
If program numbers are assigned to programs in the internal sampler section, you can switch the programs that are assigned to the track
within the sequence.
CP (Channel Pressure)
Channel pressure events are normally used for aftertouch. This feature allows you to control the sound depending on the pressure used to
press the keyboard. A range of 0 to 127 can be sent.
PP (Poly Pressure)
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MPC500 Operator's Manual rev 1.0