Usually, users will connect to the graphical user interface, but certain diagnostic functions can only be accesses using the command line interfaces. These are all described below.
== Introduction ==
This is the user manual for the newly upgraded spectrograph at the Cassegrain focus of the 1.9 metre telescope. Most of the mechanical components have been rebuilt, the optics have been significantly improved, and the instrument has a new detector. We hope you enjoy using it!
Introductory paragraph introducing the main (operational?) changes in Cassie's transformation to SpUppy? e.g. grating & arc info in headers; intelligent grating angle, filter, arc lamp & arc filter selection (to be implemented); auto focus routine; readout mode options; rear of slit camera