Two lights (upper left) = Elect. door locks
Three LED lights (upper right) = Locked/unlocked indicator lights.
Two momentary NC switchs (bottom middle) = DPS (100 ma) contacts.
The relay on the right has a low-current-trigger (10ma) to accommodate the 100 ma DPS contacts.
The NO momentary switch (on the lower left = Push-to-lock button.
Operation:
1. Enter the bathroom and close both doors
2. Push the "Push-to-lock" button to lock both doors
3. Exit through either door and both doors unlock
