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15 U-CONTROL UMA25S User Manual
MIDI messages5.5
Program change and midi bank select5.5.1
Program Change messages are used to activate the memory banks of the
connected devices. 128 program numbers are available to activate presets.
For devices with more than 128 presets, there is the Bank Select function which
allows you to select a memory bank before sending a Program Change.
The Bank Select message consists of two parts: an MSB (Most Signicant Bit)
part and an LSB (Least Signicant Bit) part. The MSB part denes a range of 128
values and is the more important part of the Bank Select message for many MIDI
devices. The LSB part denes each one of the 128 MSBs in 128 additional steps.
The numbering for both parts ranges from 0 to 127.
In total, the Bank Select message oers an enormous range of 128 x 128 = 16,384
dierent values available for bank numbers. In theory, this means that you could
use external devices with as many dierent banks. Considering the fact that each
single bank includes another 128 single programs, you get unbelievable 2,097,152
dierent possibilities to organize your programs.
Use the E11 and E12 rotary knobs to select the banks. If a MIDI device contains
more than 128 presets/programs, a Bank Select message has to be sent
beforehand. Even though this is a controller command, it has to be sent before
the Program Change (and is therefore adjustable) since it is linked to the preset
change. If the Bank Select message is not needed, simply select “O”.
If you choose a control which is a rotary knob, you can use the knob
to select a program number directly. It is also possible to assign a
permanent program number (selectable with E13), which is sent when
using the control. For push buttons/switch elements, you can use
the push button to select a permanently assigned program number
(using E13). This is practical when using the same preset over and over
again. Adjust the switch behavior by using E14: “Increment” means that every
time you press the push button the next incremental preset number—in a
predened interval—is activated. “Single Preset” means that the push button
always switches to the same preset number.
Table A.1 on the supplementary sheet gives you an overview of the ◊
rotary knob assignment in Edit Mode.
Examples of Program Changes:
Example 1:
You want the push buttons E1 – E8 to switch the program numbers
71–78 of your external rack synth. Program the rst push button
as follows:
Press and hold down the EDIT/EXIT push button while pressing 1.
the E1 push button. When E01 appears on the display, release the
EDIT/EXIT push button.
Turn E9 completely to the left so that the display shows “PC” 2.
(which stands for Program Change).
Use E10 to select the MIDI channel on which your synth is ready 3.
to receive.
Turn E11 and E12 completely to the right so that “OFF” appears on 4.
the display.
Select the program number 71 by using E13.5.
Select “Single Preset” by using E14.6.
If the program number is to show on the display when pressing the 7.
push button, select “ON” with E16.
Press the ENTER key to conrm. The EDIT LED goes out.8.
Result: Each time you press the push button, the program number 71 is
activated on the slave unit.
Program the push buttons E2 – E8 the same way with ascending
program numbers up to 78.
Example 2:
In case you want to program a push button in order for it to activate
a new preset every time it is pressed, this can be accomplished in
the following way: E11 = O, E12 = 0; E13 = 127; E14 = Increment;
E15 = +8.
Result: The program number 0 is transmitted the rst time the push
button is pressed, 8 the second time, 16 the third time, then 24, etc.
This way you can select each rst preset of a sound bank, which is
organized in groups of eight.
Example 3:
In case you want to activate preset no. 6 in bank 8, adjust as follows:
E11 = 8, E12 = O, E13 = 6.
Result: First, the UMA25S transmits the higher ranking bank
number 8 as CC, followed by the program number 6.