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Up: Data Taking Commands - CCD Detectors
Next: SETUP
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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.