So I just received my GA-FC and this EV-5 expression pedal for my Mk2 100w and I can't get the expression pedal to change from a master volume to a wah. I
Boss EV-1-WL Wireless MIDI Expression Pedal | Sweetwater
RC-505: EV-5 External Expression Control Setup – Roland Corporation
Roland EV-5 Expression Pedal | Sweetwater
BOSS ES-5 Guitar Effects Switching System ES-5 B&H Photo Video
Boss EV5 Pedal (EV5) | Alto Music
Boss ES-5 Effects Switching System | zZounds
Boss ME-5 Multi-Effects Guitar Pedal Tested | eBay
Boss ES-5 Effects Switching System Review | Performer Mag
Boss GA-FC EX Foot Controller w/ Roland EV-5 Expression Pedal
Boss ES-5 Effects Switching System | Reverb
The Ultimate Guide to the BOSS ES-5 - Roland Australia
BOSS OC-5 Octave Pedal Guitar Effect Pedal model expression Pedal _ - AliExpress Mobile
The Ultimate Guide to the BOSS ES-5 - Roland Australia
Amazon.com: BOSS EV-5 Expression Guitar Pedal : Musical Instruments