Fender Mustang GT40 GT100 GT200 User Manual ABOUT THIS AMP

“About This Amp” is a MENU utility button function (see page 25) that displays the amp’s current firmware version. To view this information, press the MENU utility button (yellow arrow in illustration below) and use the ENCODER (green arrow) to scroll to and select “ABOUT THIS AMP.”

After selecting “ABOUT THIS AMP,” the DISPLAY WINDOW will show the amp model and firmware version information (see illustration below).