Gerard Luppino writes:
> From ger@hokupa.IFA.Hawaii.Edu  Wed Dec  4 16:03:35 1996
> Date: Wed, 4 Dec 96 16:15:23 HST
> From: ger@hokupa.IFA.Hawaii.Edu (Gerard Luppino)
> Message-Id: <9612050215.AA27463@hokupa.ifa.hawaii.edu>
> To: isani@cfht.hawaii.edu, massey@cfht.hawaii.edu, tmca@cfht.hawaii.edu
> 

> UH 8K Startup and Shutdown (G. Luppino 10/96) (modified, oct96, ajp)
> ---------------------------------------------
> 


> Please STATE CLEARLY that NO OBSERVER (particularly J. Huang)
> should throw switches at random, or basically touch anything
> on the instrument UNLESS THEY POSITIVELY KNOW WHAT THEY ARE DOING. 
> The CCD mosaic CAN be destroyed if cables are disconnected, or things
> are not sterted up properly, or if switches are thrown randomly.
> 
> Call me at 717-622-7910 (until Saturday morn) if there are problems.
> I will be at the Hoyacher Hof hotel in Garching, Germany starting
> Monday.
> 
> Startup Checklist:
>      
>      Pumping out dewar:
>      
>         1. pump dewar to at least 1 mTorr (on gauge mounted
>            on camera).
>         2. be sure fill/vent tube is installed (Cass), or removed (PF).
>         3. Fill with LN2. Valve off once dewar is full.
>      
>      Before mounting instrument on telescope:
>         
>         1. Baseplate cover removed?
>         2. Square cutout light baffle installed?
>         3. Window free of dust and dirt?
>         
>      Once mounted on telescope:
>      
>         3. Connect fibers (verify data and comm lines with flashlight).
>         4. All other cables connected?
>            - Power supply cables to each controller?
>            - Filter and temperature control cables (15-D) from
>              each controller connected?
>            - Vacuum gauge connected? Plugged into external AC outlet?
>         5. S16D interfaces and S-bus fiber interface box and cables
>            properly connected to SUN Workstation?
>            
>      Start up software on SUN WORKSTATION (see User's Manual)
> 	0. On WEKIU: cd /aux/inst/qconf and type go_mosaic
> 	1. Select a data area with some space on wekiu and cd into it
> 	2. Type mosaic (not mcdcom) - this is a script which sets some
> 	   necessary environment variables, and then runs mcdcom.
> 
>      Before powering up camera:
>      
>         1. Insure +/-15V and +30V HIGH VOLTAGE ENABLE switches 
>            on BOTH controller boxes are OFF (down -- away from LEDs).
>         2. Be sure "LIGHTS" switch  (one per controller box)
>            is ON (toward LEDs). This switch enables the LEDs
>            so their status can be monitored. It is turned off
>            once startup is complete so stray light in the dome is 
>            reduced.
>         3. Check that POWER SUPPLY SWITCH is OFF (This is the switch in
>            the center of the CCD power supply box).
>         4. Turn ON the POWER STRIP mounted on the side of the power
>            supply box. The power supply box fan will start (this comes
>            on as long as AC power is supplied to the power supply box,
>            even if the box power switch is not on). The power strip 
>            has 4 AC outlets. These connect to 
> 		a) the power supply box,
> 		b) the Lakeshore temperature controller, 
> 		c) an AC outlet mounted on the filter wheel box that 
> 		   supplies AC to two internally mounted power supplies 
> 		   for operating the shutter and filter wheel, and 
> 		d) an AC adapter that supplies approx +9V to the 
>            	   filter wheel/shutter controller electronics mounted inside 
>            	   the filter wheel box.
>         5. Turn POWER SUPPLY BOX to ON. After a brief delay, the +5V
>            green LED on each controller should be on. The other voltage
>            lights should be off. 
>         6. RESET each controller (reset momentary toggle switch on 
>            controller box near power supply cable).
>         7. Check that communications is established by typing SYNC
>            at the > prompt. If one or the other (or both) boxes
>            are not responding, reset again and repeat until 
>            successful communication to both boxes is achieved 
>            (repeated resets may be necessary -- be sure DATA and COM
>            lines are correct by checking with a flashlight shining
>            through the fiber). 
>         8. Download controller code -- type MOSAIC BIN at the > prompt. 
> 	   If successful, turn on high voltage switches
>            on controllers, and then DOWNLOAD AGAIN (mosaic bin).
>            If initial download fails, you may have to repeat step 11
>            (resets and syncs).
>         9. Insure correct polarity of interfaces. Attempt to operate
>            the filter (say filter 1 followed by filter 0). If filter
>            moves, the boxes and interfaces are not mixed up. If shutter
>            fires, then interface cables need to be swapped 
>            (easiest place is probably at the cables betwen the fiber interface 
>            box and the SUN S16D cards -- swap could also be made at the 
>            fibers). If swap is required, be sure to RE-DOWNLOAD
>            CODE after swapping. DO NOT swap any cables on the instrument.
>        10. Try reading out CCD after mosaic bin. This will take ~3 mins.
>        11. Exercise shutter (shutter 1, shutter 0). Remember, After typing
>            shutter 0 (close), be sure to wait for at least 5-6 seconds
>            for the shutter to re-cock before typing shutter 1 (open) again.
>            If you do not wait, you will probably get a 2 blade firing. 
>        12. Verify temperature is at -70C (lower display is set point,
>            upper is actual temperature, bar graph is heater current). Be
>            sure heater enable switch on box on side of dewar is ON.
>        
>            
> Electrical Shutdown:
> 
>             1. Turn OFF POWER SUPPLY switch.
>             2. Turn OFF POWER STRIP switch.
>             3. Set HIGH VOLTAGE ENABLE switches to OFF (away from LEDs).
>                This insures they are in the proper position for the next
>                power on. DO NOT TURN THESE SWITCHES OFF BEFORE SHUTTING
>                OFF POWER TO POWER SUPPLY!
> 
> ----
> 
> Success!!
> 
> good luck guys
> 
> Ger
> 


-- 
Timothy M. C. Abbott                http://www.cfht.hawaii.edu/~tmca/tmca.html