Cyber dimmers . . .

Just got a couple of pristine Cyber-SV units into my world, and have really only one issue to deal with, which should be trivial. One unit leaks a bit of light with the dimmer at zero . . . . is there a hub adjustment procedure for a Cyber, or something specific I should look for in this unit? I would imagine that this would be a pretty common PM type of issue . . . .

Thanks,

- Tim
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