The DCMÂ41 Display Control Module is used to dis play status in the LSN 2000 system. The DCMÂ41 consists of 40 programmable tricolor LEDs with 40 membrane switches. Any device when activated can be displayed on the DCMÂ41 as a Red or Green indicator LED. Amber is reserved for when the device goes into trouble. The DCMÂ41 can also be used to display the status of a group of devices or an event.