Working on a GreenMAX application. The idea is we have a large gym with a 4-button digital switch to provide ON, UP, DOWN, and OFF control over the various light fixtures. The customer needs a way of "locking out" control over the 4-button digital switch so that after the lights have been turned on and a light level has been set the switch can be locked out or disabled so that the light level cannot be adjusted again. Thoughts? Ideas?