Instant State Feedback: Buttons change color or text when a source is live or an overlay is active.
: Use different background colors for Audio, Video, and Overlays. Safety Switches vmix utc controller top
This is not a physical device, but a logical architecture—a way of structuring your vMix session, external controllers, and automation logic so that all actions are referenced to a global, absolute clock (UTC) rather than relative timers or manual triggers. Instant State Feedback: Buttons change color or text