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Takes an exposure, and transfers the data plus headers to a numbered HDS file in the scratch area on the system computer.

Format: SCRATCH <channel> <filenum> <obstype> <time> [``<string>'']

Channel: The name of the CCD data acquisition channel to be used.

Filenum: The number of the scratch file

Obstype: The observation type. Valid observation types are ARC, BIAS, DARK, FLAT, and TARGET.

Time: The exposure time in seconds

Title: A title for the observation (optional)

Examples : SCRATCH RED 5 ARC 60

Comments: As for the RUN command, except that the data is finally transferred not to the main data area on the system computer but to a scratch area. This command is intended primarily for use with setup procedures.

Fri Jan 7 15:34:48 GMT 1994