== Shutdown procedures ==
=== End of night shutdown ===
The usual shutdown procedure at the end of the night is given below. This list is printed on a laminated sign displayed in the warm room for quick reference.
'''On TCS PC:'''# '''Stop instrument & autoguider exposures ''' (TCS PC"STOP" on bottom left of display).# '''Initialise XY-slides ''' (TCS PC"INITIALISE" on bottom left).# '''Park telescope at ''' (click "TARGET" then "PARK"). Ensure telescope reaches HA= -1h, Dec = 0° in FAST mode (blue console).# Switch Dome to MANUAL (blue console).# '''Close mirror covers ''' (telescope"DOME" pulldown menu, "Mirror CLOSE").Check that mirror indicator turns red & shows "CLOSED"# '''Close dome shutters ''' (Observing floor control panel - listen for beep"DOME" pulldown menu, "Dome CLOSE").Check that dome indicator turns red & shows "CLOSED"# Lower wind blind '''Park dome''' (if appropriate - Observing floor control panel"DOME" pulldown menu, "Dome PARK").# Switch OFF telescope power (blue console).# Switch OFF facility power at exit.
=== Closing in bad weather ===If any of the weather limits is reached during the night, ''Check that green "SLOW" indicator turns red to "FAST"'perform these steps first''' (you may need # Switch Dome to slew the telescope to aMANUAL (blue console).''suitable position in order to access the mirror covers''# Lower wind blind (if appropriate - "DOME" pulldown menu):''
'''On wall-mounted control panel:'''# Close mirror covers.Switch '''telescope power OFF''' using red power button # Close dome shutters Turn '''Lockout ON''' (listen for beepturn switch clockwise).# Continue with === Closing in bad weather ===If any of the weather limits is reached during the remaining night, '''perform these steps in Section~\ref{sec-end}.first''':
# '''Close mirror covers''' ("DOME" pulldown menu, "Mirror CLOSE"). Check that mirror indicator turns red & shows "CLOSED"
# '''Close dome shutters''' ("DOME" pulldown menu, "Dome CLOSE"). Check that dome indicator turns red & shows "CLOSED"
# Continue with the [[#Shutdown procedures|remaining steps]].
== STE3/STE4: CCD Camera log book ==