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\large
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\centerline {\bf 1.25\_V2.1 Continuous Clocking 3x3 }
\vspace{0.25in}

\normalsize
\noindent{\it Last Revised: August 3, 1999}\\


\noindent {\bf BRIEF FUNCTIONAL DESCRIPTION:} \\
\normalsize

The ACIS instrument is capable of taking continuous clocking data and
telemetering down 3x3 event islands.  However, this mode has not been
well used.  This test will allow us to gain experience with this mode.



\vspace{0.25in}
\noindent The sequence of actions will be: 
\be
\item warm boot and start DEA housekeeping if necessary
\vspace{-0.10in}
\item configure the instrument to collect imaging array data
\vspace{-0.10in}
\item execute the continuous clocking 3x3 mode science run
\vspace{-0.10in}
\item configure the instrument to collect spectroscopy array data
\vspace{-0.10in}
\item execute the continuous clocking 3x3 mode science run
\vspace{-0.10in}
\item return to thermal standby mode if necessary
\vspace{-0.10in}
\ee


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\normalsize
\noindent {\bf ASSUMED INSTRUMENT STATE:} \\
\normalsize
Assumes that the instrument is in the cannonical thermal standby mode. \\
Assumes that the standard patches have been loaded. \\

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

The continuous clocking 3x3 optional patch must have been loaded
before this procedure begins. \\

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


\vspace{0.15in}
\normalsize
\noindent {\bf REFERENCES:} \\
\normalsize

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

{\bf V1.0}
\begin{itemize}
\item Original version.
\end{itemize}

{\bf V2.0}
\begin{itemize}
\item ACIS team signed-off version.
\item Bev makes changes which Bob suggested.
\end{itemize}

{\bf V2.1}
\begin{itemize}
\item step 3.1, changed the SW command mnemonic from ``WC0001A014'' to
``WC0001E014'' and the command identifier
\item step 3.2, changed the SW command mnemonic from ``W100018014'' to
``W100019014'' and the command identifier
\item step 5.1, changed the SW command mnemonic from ``WC0001C014'' to
``WC00020014'' and the command identifier
\item step 5.2, changed the SW command mnemonic from ``W100018014'' to
``W100019014'' and the command identifier
\end{itemize}


\newcommand{\tablecaptiontext}{Continuous Clocking 3x3 }
\input{cc3x3icm.tab}

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