Generalmusic RealPiano pRP6 Owner's Manual page 18

Another drumkit is also in Bank 4.
These sounds and sound banks can only be selected via MIDI, not from the
pRP6 control panel. To select these sounds via MIDI, you would have to send
a Midi message to the pRP6 consisting of two parts: ControlChange/Bank
Select (CC00-BankSelect) followed by a Program Change (PC). Refer to the
Midi sound tables in the Appendix for information regarding the Banks and
Program Change numbers of all the sounds and Drumkits.
MIDI messages transmitted and received by pRP6
pRP6 transmits and receives the following type of MIDI information.
Note and Velocity data: This is information pertaining to the note played and
relative velocity value. The receiving device recognizes the note because it is
defined by the "MIDI note number", and the velocity value is defined by the
"MIDI velocity value". Whenever a key on the pRP6 is pressed, the note and
velocity information is transmitted from the instrument's MIDI OUT port to the
receiving device. Conversely, pRP6 will play the corresponding notes when-
ever note and velocity data is received at the instrument's MIDI IN port.
Program Change numbers: This type of information relates to data which
identifies the pRP6 Preset. pRP6 transmits MIDI Program Change numbers
from 1 - 32, corresponding to the 32 Presets that can be selected from the
panel. Whenever you select a Preset, the corresponding MIDI Program
Change number is transmitted to the receiving device, causing the corre-
spondingly numbered voices to be selected in the external MIDI unit, set to
receive on the same MIDI channel as the pRP6.
Conversely, whenever pRP6 receives Program Change number data (for 1-
32) from an external MIDI device, the correspondingly numbered pRP6 Preset
will be automatically selected, but only if received on the Common channel,
otherwise, the internal Midi Sounds will be selected.
Control Change messages: The Soft and Damper pedals of pRP6 generate
Control Change data which is transmitted from the instrument's MIDI Out port
whenever the pedals are operated. The internal tone generator of the
receiving device will respond to the pedal solicitations in the same way as the
pRP6 Sound engine. Whenever the same type of Control Change data is
received by pRP6, it will respond appropriately.
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