Hi lad, ladies and everything in between  I have this weird bug with my Helix LT. Volume/exp pedal simply stopped working after updating to 3.5.  I'm fairly convinced it's a software thing, since the unit is bought second hand and seller actually told me the pedal didnt work. He then flashed old firmware 3.11(?) and sold it - et violá, the pedal worked just fine when i received the unit.  Until now.  So - anyone else experienced this? When i do hardware test mode (buttons 3-4