I have switched off the XUV detector on 1 June at about 17:00. 
The high voltages of the MCP (in ESR laser lab) were turned off and inside the ESR cave the power supplies (coils and cathode) and the crate were turned off. 
Also the new "control box" for the detector was switched off. 
And I checked (visually) that the XUV detector (and the Cu detector too) were indeed "moved out". 

Danyal