Steps to follow when you want to shutdown the testcave for the night :

• Secure beam, dial the HV down
• Close all valves, turn 100 kV off on medm screen
• Run the shutdown testcave script from medm
• Drop the cave from BEAM PERMIT to OPEN state
• Turn the HV switch in the cave OFF, lock it
• Ground the mushroom and the cable
• Close the Verdi shutter and put it on standby
• Turn of the light indicator of the cave state
• Slowly bring the voltage on the Mott detectors down to zero