Alesis Photon X25 Quick Start Owner's Manual page 20

AXYZ dome not
operational.
AUDIO:
Computer does not
"hear" the Photon.
The unit causes
interference with
nearby radios and
televisions.
18
AXYZ activation
button not pressed
in.
AXYZ dome's
MIDI control
assignments not
made.
USB connection not
made.
Audio recording
program not set up
to use the Photon.
Improperly shielded
USB cabling.
Press the button next to the AXYZ dome to
activate its use.
Press EDIT PRESET to assign AXYZ
controller values.
Verify that the USB cable is plugged in and the
Photon (or "USB audio Device") is recognized
as an audio device in your operating system's
device manager.
Verify that your audio recording program is set
to record from the Photon.
Windows: Verify that your audio recording
program is set up to use WDM audio, not
ASIO audio.
Be sure that your USB cable is properly
shielded using a choke or ferrite to minimize
radio frequency emissions from the Photon.