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Greetings! New to the forum but not to the Helix or Line6 products. So I have a weird audio problem that's driving me insane. Here is my equipment list: Helix Floor running 3.01 iMac running Catalina 10.15.7 Logic Pro 10.6.1 M-Audio reference monitors (direct XLR to the Helix) I'm using the Helix as the audio interface and was using a Focusrite Scarlett Studio, but had the same issue with the Focusrite. The issue is there is no audio if the USB cable is connected to my iMac (unless I do a few tweaks to each patch, please read on). "Without" connecting the USB cable to my Mac. 1. If I plug headphones into my Helix, it works fine. 2. If I plug my Helix into an amp, it works fine. "With" connecting the USB cable to my Mac. 1. If I plug headphones into my Helix, I get no audio 2. If I plug my Helix into an amp, I get no audio 3. When I monitor a track in Logic via my reference monitors, internal speakers or headphones, I get no audio This is driving me mad and I finally discovered that if through HD Edit or the manual buttons on the Helix, I turn off or delete the volume pedal within an actual patch, I get audio! Also if I set the "minimum position" to anything above 0, within an actual patch, audio works fine. (see screenshots). So I checked the global settings and made sure everything was reset to default factory settings, still no audio. Reset all patches, to default factory settings, still no audio. To recap, when my Helix is plugged into my iMac, there is no audio unless I turn off or delete the volume pedal within an actual patch. I thought maybe my Mac was jacked up so I reset what can be reset on a mac, no luck. I'm suspecting this is some global setting because it affects almost every patch. There are a few patches that work without disabling the volume pedal, but I can't see any difference between those few that work and the ones that do not in their respective settings. Discovered workarounds are.. 1. Disable volume pedal manually on every patch. 2. Increase "minimum position" to anything above 0 on every patch. 3. Rinse off my Helix in the sink. What I want to happen: 1. Helix works without having to change each patch to disable or delete the volume pedal. I suppose I can do those changes manually but it would be time consuming and then it will not work when a USB cable is not connected to the Helix!? Also Yes I tried a various USB cables and USB ports. Has anyone else seen this issue or have an idea of what I'm overlooking? My guess is it's so simple I'll want to punch myself in the face when I learn the fix. Thanks in advance!