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The document is intended to be a guide to the use and operation of the ACIS instrument. It is intended to provide a narrative introduction to the complete instrument, but it is not intended to supersede the explicit documentation provided in response to NASA DR's for the ACIS contract. In case of discrepancies between this document and other ACIS formal documentation, the other documents take precedence. Although the information in this document is correct at the time the document is released, and we anticipate future revised versions will be produced at the direction of the AXAF Project, we cannot continually update this document as knowledge of ACIS and operational procedures matures. The reader should consult the primary `controlled' documentation for the definitive information.
Many of the important controlled documents are available from the AXAF Science Center (ASC), as well as documentation on the rest of the AXAF observatory and project. All ACIS official documents (and AXAF as well) can be obtained from the Marshall Space Flight Center (MSFC) at this address:
George C Marshall Space Flight Center
Marshall Space Flight Center, AL 35812
Many useful documents are also available from the MIT World Wide Web site,
For the novice reader we have included a Glossary of Acronyms in Chapter 8, including brief definitions.