Mustang GT Support Click here or go to https://www.fender.com/tone/support to visit the Mustang GT and Tone support home. Related articles How do I know which ASIO Driver to use? How do I update the Firmware on the Mustang LT amplifier? What is Fender® FUSE™? How do I record to my computer using my Fender® Mustang™ amp? How do I restore the factory preset data on my Fender® Mustang™ amplifier?