When the Program (PROG) button is pressed it will illuminate and the LCD screen will show the current Program Change number (for example, “PRG 0”) and the active keyboard Zone (for example, “z 1”). Pressing either of the Patch buttons (“Up” arrow or “Down” arrow) will increase or decrease this number, and the resulting program change message is sent on the active Zone channel. If the software or hardware you are controlling with the Axiom responds to MIDI program change messages, you can use this feature to scroll through instrument sounds in the current bank.  After 1 second, the display returns to normal and the patch buttons return to their default functionality.  If your hardware or software is not responding to the program change messages, it may not support MIDI program changes; refer to its documentation to verify the types of MIDI message it supports.

When the Program button is held down for at least one second Axiom enters Edit Mode, which overrides both Performance and DirectLink Modes. The Program and Edit buttons will illuminate, and the LCD screen will show the current Program change and active Zone number. A direct Program change can then be sent by entering the desired program number using the numerical keys and pressing the enter key to confirm. For more information about these parameters, please refer to the Axiom User Guide.