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CHAPTER 13
Appendix
 
SYSTEM EXCLUSIVE DATA
VIRUS MIDI SYSTEM EXCLUSIVE 
IMPLEMENTATION
The Parameters of the VIRUS are organized in
three so-called pages A, B and C. Each page
contains 128 parameters, addressed by num-
bers from 0 to 127. Each parameter is repre-
sented by one byte with a maximum value of
127. All parameters are individually accessible
by SysEx-Parameterchange.
The pages A and B represent a Single-Program,
thus a Single-Program contains 256 Bytes.
Page A (LowPage) contains Single parameters
that are usefull for MIDI automation. The param-
eters of this page are additionally controllable
by MIDI Control Change. The sending and re-
ception of MIDI Control Change can be enabled
or disabled by MIDI CONTROL LowPage (SYS-
TEM menu). When disabled (LowPage=SysEx),
the VIRUS only sends and receives SysEx Pa-
rameter Change on Page A. When enabled
(LowPage=Contr), the VIRUS sends MIDI Control
Change on parameter movement, 
and receives both MIDI Control Change and
SysEx-Parameterchange on Page A.
 
The default setting is LowPage=Contr.
The remaining Single parameters in Page B
(HiPage) are additionally controllable by MIDI
Polyphonic Pressure (!). The send and reception
of MIDI Poly Pressure can be enabled or disa-
bled by MIDI CONTROL HiPage (SYSTEM
menu). 
When disabled (HiPage=SysEx), the VIRUS only
sends and receives SysEx Parameter Change
on Page B. When enabled (HiPage=PolyPrs),
the VIRUS sends MIDI Poly Pressure on param-
eter movements, and receives both MIDI Poly
Pressure and SysEx Parameter Change on
Page B. This feature should not be used in con-
nection with a keyboard that sends Polyphonic
Pressure.
 
The default setting is HiPage=SysEx.
Page C contains Multi parameters and Global
parameters. These parameters are sent and re-
ceived only by SysEx Parameter Change.
In the following, all bytes are shown in hexadec-
imal representation.