== LRS2 and Virus (camra) Procedures ==

  * '''Installing new spectrograph configuration files'''
    * When the spectrograph arrives on site, verify the spectrograph unit number and the controller number.
    * In your working copy of trunk, do `svn up`.
    * Check in the directory `./camra/etc/` to verify that the configuration files have been checked in. The files should be `spectro-nnn.conf` and `cntl-mmm.conf` where `nnn` is the spectrograph unit number and `mmm` is the controller number.
    * Look at the `spectro-nnn.conf` file and verify that the `controller-id` value matches the delivered controller.
    * Edit the file `virus_server.conf`,
      * Add `spectro-nnn.conf` to the list `spectrograph-configs` if it is not already in the list,
      * Add `cntl-mmm.conf` to the list `controller-configs` if it is not already in the list.
    * Commit the changes to `virus_server.conf` to the svn repository into trunk.
    * Install the new configurations in the operational directories,
      * Use the `het_release` script with the `instruments_config` target
      * I have a script in `/home/liberty/jrf/HetDevel/jrfwork/doinstall` that does this but you will have to change the user name for your account on hetdex-pr.as.utexas.edu.
      * The install process requires your password to run `sudo` during the installation process.
      * See DevelInstall for more information about the installation process.

  * '''To clear out the ram disk on lrs2 or vdas'''
    * insure data directory in /hetdata has owner hetdex:hetdex and group write permission
    * run as hetdex on lrs2 or vdas  $HET_SRC_ROOT/camra/testing/proxy-pivot-[virus|lrs2]-data.sh !`find /mnt/camra_ramdisk/ -name "*.fits"`

  * '''Reset the PCIe interface cards if'''
    * the ccd array failed during an exposure
    * if vdas hangs during reboots at the Initializing PCIe step
 
  * '''Horizontal sync images'''
    If some or all of the virus images appear to have a horizontal sync problem. The it may be that one units has
    the internal clock active while the other spectrograph are using the multiplexor clock signal.
    [[Image(internal_clock.jpg)]] 
     The fix is to see if the internal clock jumper is installed and remove it if so. (Add picture that shows how to locate
     the internal jumper.)