Hi, Just after some advice. I'm thinking of using an FV500H to use as a global volume pedal on my GT100 (using the built in for expression only). What's the best placement? Is it : Guitar > FV500H > GT-100 input > Amp/PA Do I need to make any global change on the GT-100? In this config I presume I can still use my FS6 in the SUB CTL jack for other assigns? Thanks!