Gain + output Trim
One knob.
Two level controls.
Set your gain with the main knob. When you need to adjust the output separately, Trim is right there.
Where is Trim?
Hold Shift and drag the main knob in Barometer. The center readout switches to Trim.
Stereo listening
Solo either side.
Adjust the width.
Listen to left or right on its own. Adjust balance and width, then check how your mix holds together in mono.
Metering
Watch loudness
and true peaks.
Follow loudness and peaks as the track plays. Check how the left and right channels relate, without opening another meter.