User`s guide

After pressing the send button, the Digitech GNX3 unit
changed its preset, but it changed to preset number 56!
Many MIDI e"ects units display their preset numbers
starting with one, even though they start with zero
internally. This means that on some e"ects units, in
order to change to a displayed preset number, we would
have to subtract one from the displayed number and use
that as our program number. So, to get preset number
55 to appear on the GNX3 unit in our example, we would
have to use 54 as our program number. Note that there
is a preference item that can be set to make this easier.
The preference item “renumbers” the program changes
so that their starting program number shows up as 1
instead of 0. Setting this preference item in this way will
make the correlation between the software’s display and
the MIDI device compatable.
To continue with our example, suppose further that we
want to change both the guitar sound and the vocal
reverb level during the chorus of a song at the same
time. To do this, we can add a second line of
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128 MIDI! Solo Performer Show Controller User’s Guide