The Enclosure Display shows the status of the Enclosure Altitude Axis, also referred to as the Shutter.
The display includes on the left column the status of the permissive signals coming from the GIC: E-Stop, Seismic Alarm, Fire Alarm, and the GIC permissive signal (which should also be true).
The two lower indicators show the status of the Drive Enable signal to the main axis drives as well as Drive Power signal.
The center column includes local controller status information such as the E-Stop, Final Limit, Over speed, as well as shutter seal deflation status.
The right-most column show status of other local functions such as whether the trapped key is present, TEOA platform is stowed, Transfer Bridge gate closed status and the status of the Telescope Level Egress doors.
At the bottom of the display are GOTO buttons to navigate to other displays related the Enclosure, such as Enclosure Azimuth, Enclosure E-Stops, Aperture Cover, Rear Door, Cranes, and TEOA platform. As well as the standard navigation buttons of Home, Previous, Next, and Return.