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\large
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\centerline {\bf 1.13\_V2.1 Diagnostic Mode } 
\vspace{0.25in}

\normalsize
\noindent{\it Last Revised: June 27,1999}\\
\noindent{\bf Filename: diag\_scs} \\

\noindent {\bf BRIEF FUNCTIONAL DESCRIPTION:} \\
\normalsize
The electronic system performance of ACIS video boards and DPA is
evaluated.

\vspace{0.25in}
\noindent The sequence of actions will be: 
\be
\item start a DEA HKP run if necessary
\vspace{-0.10in}
\item run TE diagnostic mode of image array
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\item run TE diagnostic mode of spectroscopy array
\vspace{-0.10in}
\item power-down video boards and FEPs
\ee


\vspace{0.15in}
\normalsize
\noindent {\bf ASSUMED INSTRUMENT STATE:} \\
\normalsize
Assumes the instrument is in the canonical thermal standby state
except that the focal plane may be at an elevated temperature. \\
Assumes the standard set of patches are loaded.\\

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\normalsize
\noindent {\bf SPECIAL INITIAL CONDITIONS:} \\
\normalsize


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\normalsize
\noindent {\bf OPERATIONAL CONSTRAINTS/CAUTIONS:} \\
\normalsize


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\normalsize
\noindent {\bf REFERENCES:} \\
\normalsize
\noindent ACIS Long Form Functional Test Procedure (36-01301.01) \\
\noindent ACIS Short Form Functional Test Procedure (36-01301.02) \\
\noindent ACIS Science Instrument SW User's Guide (36-54003) \\

\normalsize
\noindent {\bf CHANGE HISTORY:} \\
\normalsize

{\bf V1.2}
\begin{itemize}
\item changed filenames from ``ccd\_diag\_posttv'' to ``diag\_scs''
\item changed warm boot in the first step to a cold boot
\end{itemize}

{\bf V1.3}
\begin{itemize}
\item deleted cold boot in first step
\item added dumps after the start science in step 2
\item added dumps after the start science in step 3
\item added a ``dumpSysConfig'' command in step 4.3
\item added DPA and DEA power check in step 4.4
\end{itemize}

{\bf V1.4}
\begin{itemize}
\item modified expected values of HW TLM verifiers in steps 2.1 and 2.2
\item added ``commandEcho'' values for all SW command packets
\item modified criticality column in steps 2.1, 2.3, 2.4, 2.16, 2.17,
3.15, 3.16, 4.1, \& 4.2
\item added filename identification at top of procedure
\end{itemize}

{\bf V1.5}
\begin{itemize}
\item changed expected value of bus voltage to ``28.0--34.0~V'' and
DEA and DPA input currents in steps 2.1, 2.2, and 4.4
\item changed HW TLM verifier in step 4.4 to 1DE28AV0 from 1DEP3AVO
and expected value to 27.0--35.0~V and expected value for DEA A Input
current to 1.2--1.6~A
\end{itemize}

{\bf V2.0}
\begin{itemize}
\item ACIS Team signed-off version, identical to previous version 1.5
\end{itemize}

{\bf V2.1}
\begin{itemize}
\item changed expected value of ``1DE28AVO'' to 28.0--34.0~V in step
2.1 and input current accordingly.
\item deleted extra comment on DPA power in ``Description'' column  in step 2.2
\item changed ``Description'' column  in steps 2.10 and 3.9 to
indicate the FEPs and video boards should be on
\item added comment in step 4.3 that the FEPs and video boards should be off
\end{itemize}



\newcommand{\tablecaptiontext}{Diagnostic Mode}
\input{diag_scs.tab}

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