- Check Temperatures
Channel 1) ~58K - 61K 2) ~78K - 80.5K Varies with telescope position, if > 87K then out of LN2 3) Broken 4) Broken 5) ~75K Controller Temperatures 1) ~11K 2) ~30K
- Fill Liquid Nitrogen. This is typically done by observatory staff.
*** Warning ***
- Don't get too close to the instrument with the forklift.
- Wait for plastic fill tube to become soft again before taking it out of the camera.
- Turn on motor drivers in the back of the camera (top left switch).
- Testing system:
- Go to "Engineering Menu" and click on READ SWITCHES.
- If all primary Switches are on, then OK; press ESC.
- If not, something is out of position (may have to reinitialize motors).
- Press F4 to take an exposure on both channels with default setup.
- Ensure that both chips display their Bias Frames (check manual for more detail).
- Check cables:
- Check during a large slew.
- Check frequently (every 15 minutes) when telescope more than 3 hours in Hour Angle.
- Due to noise signals from the slew motors and the long cables, it is advisable to do a PC-T Reset (in the Engineering menu of the data taking software) after every telescope slew, as the noise can disrupt communications between the computer and the instrument.
- Exiting Windows and starting Gemini
- Click Start button.
- Click Shutdown....
- Click Restart in MS-DOS mode.
- Do not be alarmed if you see the message
"Cannot find WIN.COM, unable to continue loading Windows".
- At C:\ prompt type gemini /licktcs.
- Do Not initialize motors when asked. Type N (or press Enter).
- Check or correct the "General Setup" and press ESC.
- To FTP data you need to exit the Gemini program and start Windows.
NOTE: you must put data in /data/gemini/ on gouda for it to
be archived properly in the on-line data archive, http://mthamilton.ucolick.org/data/
(if you need to set or reset your data access password, contact a SupportAstronomer).
- Exit Gemini program.
- At C:\ type wi.
- Double click on FTP to Gouda shortcut.
- Enter username and password (username is user, password can be gotten from the telescope technician or support astronomer on duty).
- Type bin to convert to binary mode.
- Type prompt to disable interactive mode.
- Type cd /data to change to gouda's /data directory.
- Type mkdir gemini to make directory to put Gemini data in. Please do not use a different directory. For data to be saved in the archive it must be in /data/gemini/ on gouda.
- Type cd gemini to change to the proper directory.
- Type mput ddmm*.fts, where ddmm is the day and month abbreviation used for the data files, e.g. mput 31ja*.fts.
- When data are finished copying, move to the gouda console to
confirm your data were properly copied by doing the following:
- cd /data/gemini
- Make sure all your data are in the directory.
- Use ds9 or similar software to check a few files to make sure they are properly readable.
- Send an email to firstname.lastname@example.org alerting the telescope technicians and support astronomers that the Gemini data are copied from the Gemini PC to gouda.
- At the end of each night
- Fill camera with LN2, usually done by observatory staff.
- Turn off motor drivers.
- FTP your data to gouda's /data/gemini directory.
- Check disk space on Gemini's D: drive. If more than half full contact a support astronomer to make sure data are properly archived and clear up disk space.
- Emergency Contacts:
Please contact Elinor Gates first in case of difficulties, then any of the other support astronomers, before contacting Ian McLean or George Brims.
Ian McLean UCLA: (310) 206-7535 Email: email@example.com George Brims UCLA: (310) 206-7536 Email: firstname.lastname@example.org Elinor Gates LICK: (831) 459-5910 Cell: (408) 202-1691 Email: email@example.com
Last modified: Mon Dec 23 11:52:26 PST 2013 by Elinor Gates