EV-10, FV-300: Using the FV-300/EV-10 as an Expression Pedal May 19, 2023 03:03 Updated Follow In order for the FV-300 or EV-10 pedals to function as an expression pedal, you must use a stereo TRS (tip-ring-sleeve) cable. Related articles E-10: Technical Specifications FA-101: Pops and Clicks using the FA-101 with Fujitsu Notebooks Edirol 2-Channel Audio Interfaces and Mac OS 9 ME-5: Technical Specifications