ReadonlyclampedThe delay wanted less than the line can give: this channel is the LATE one and its delay is already at the floor, so the correction belongs on the REFERENCE channel instead. The panel says so rather than applying half a fix and calling it done.
ReadonlydelayThe value for this channel's align.delayMs, inside the declared travel.
ReadonlyinvertedThe value for this channel's polarity.inverted.
What APPLY would write, and whether the desk can write all of it.