Use case: introduce a new detector to a telescope

Purpose: to release a newly acquired camera or to move a camera to a telescope where it hasn't been used before.

Actors: CCD specialist.

Outline: the specialist installs the profile and controller program for the camera, connects it to the DAS computer and turns it on. S/he orders the DAS to bring the camera on-line and tests it.

Related use cases:

Typical course of events:
User action  System response 
1.  Brings to the telescope the engineering profile for the camera and the object code for the detector controller(s), both of which were previously prepared away from the telescope. 
2.  Puts the profile into a configuration directory of the observing system. Puts the new object code into the observing system as a patch.  The observing system now knows how to run the camera. 
3. Runs use case change camera to use and test the installation. As per subordinate use-case.
4. Runs use case tune camera. As per subordinate use-case
5.  Informs the telescope software-manager of the new detector and the patch. The software manager arranges to have the patch absorbed into the main system at the next system release. 
Variations:
  • Steps 3 and 4 need not be done immediately after steps 1 & 2.   However, it is important that the first use and test of the camera be overseen by a CCD specialist.
  • If the profile is properly prepared, step 4 is not needed.