Xsonic just announced an update for its Airstep footswitch dedicated to the Positive Grid Spark amp.
WHAT’S NEW ?
For AIRSTEP Spk users, please wait for the firmware update. it is due to be released soon.
HOW TO DO THE FIRMWARE UPGRADE?
HOW TO TOGGLE THE J.H. LEGENDARY WAH?
After the firmware update, connect your AIRSTEP to your mobile device, and enter your Spark preset in the AIRSTEP App, and choose any toggle message(DRIVE/MOD/DELAY/REVERB)to easily re-edit.Setting: MIDI Type(System Common) – Function(1-Spark 40); Byte2(5); Byte3(1-On, 0-Off);Rename the footswitch as “Wah” or anything else.Remember to save the preset!!!