Non Registered Parameter Number / Registered Parameter Number (NRPN/RPN)
(NONE, NRPN, RPN)
Many synthesiser manufacturers support the modification of sound properties via so-
called NRPN (non-registered parameter number) and RPN (registered parameter number) numbers. RPNs are
defined in the MIDI specification; NRPNs are manufacturer-specific. For more information on NRPNs, please
refer to the manual of the MIDI output device.
The approach is the same for both types: a system parameter is set with the associated NRPN-LSB and MSB
hat can be modified subsequently with controller #6 (DATA ENTRY MSB)
or controller #38 (DATA ENTRY LSB).
the MSB and LSB values. The cursor will initially be positioned over the MSB field. Use the VALUE +/- buttons
controller #6 (or #38) can be applied to a filter. Pick
control and the three possible wheels are now available as sources for the controller #6/#38. If you specify the
wheel of the AIX 101 / 103 interface for the controller #6 (#38), you can now use it to affect the current sound
of your synthesiser. Press EXIT to leave the submenu.
Please see page
64
for the NRPN controllers of the internal soundboard.
Note: We would advise less-experienced users against using the RPN controllers, as this may affect pitchbend
sensitivity and tuning in such a way that your AXON will play incorrect notes. And another note for insiders:
Normally, the underlying NRPN or RPN controller should be reset to NULL (7fh) after making changes with the
DATA ENTRY controller. The DATA ENTRY controller will then no longer have an effect. Your AXON does not
do this, as it would result in an enormous increase in MIDI data. These controllers are reset to NULL when
changing presets or changes to the NRPN/RPN itself, however.
or RPN-LSB and MSB controllers t
The following is an example of such an application with your AXON: Let's assume you have read in the man-
ual of your synthesiser that the manufacturer supports filter control via the NRPNs MSB=01h and LSB=21h.
Select "NRPN/RPN", then "NRPN" with the VALUE +/- buttons, then press the ENTER button. The first line of
the display will once again indicate whether your are currently editing NRPNs or RPNs. The second line shows
to enter the value 01h. Use the parameter buttons to switch to the right to the LSB field and enter the value
21h. You have now set up the NRPN and specified that
AXON AX 100 MKII V. 2.0 (English)
47