The native strip stage the head mirror drives — just its per-lane setStrip.
setStrip
The MASTER lane's index — MAIN's slot in the same lane array the input strips live in.
The INPUT ALIGNMENT line — its own door, not a setStrip param, because the first non-zero value allocates a ring and setStrip is the word-atomic param path.
The native strip stage the head mirror drives — just its per-lane
setStrip.