Doepfer Drehbank Midi Control Box (device no longer available) - Manual (Page 25)

U S E R I N T E R F A C E
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Editing a control function
Doubleclick the control knob you want to edit and you will get the Edit Control
dialogue. If you are not familiar with MIDI details you should take a look at the MIDI
1.0 Specification and the Midi Table. Further take also a look how theTables works.
After all (if you are a professional in MIDI) take the Technical Manual of the device
you want to control with the Drehbank. Here you will find (mostly) its special MIDI
implementation. For hexadecimal codes you will need the conversation table or
better use the scientific Calculator (->XG-Sysex Example).
If you are complete confused of this hexadecimal arithmetical mysteries, you may
find a library that already contains the function that you are looking for. For GM and
XG compatible device you have already everything you need in the libraries and
there are several more for other specific devices. The ability to edit a control
function is made as a tool for Midi pros. Normal users who only work with standard
events like Midi Controller etc. should not need to edit a control knob this way.
(Notice that your editing can also result in useless Midi Trash which may confuse
or hang up some Midi-Expanders or the PC !).