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+\documentclass[12pt,a4paper]{article}
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+\begin{document}
+\begin{center}
+\begin{huge}
+Saving EL734 Motor Parameters on Unix
+\end{huge}
+16-October-1998\\
+\end{center}
+EL734 motor controllers occasionally loose their built in parameters.
+Therefore it is necessary to save their parameters and to have a way to load
+them to the motor controller when need arises. This can be done with 
+David Maden's EL734\_test
+program. This program has now been made available on DigitalUnix. For each
+SICS instrument motor parameters are stored at two independent locations:
+\begin{itemize}
+\item In the motor directory of the instrument account. For example:
+/home/DMC/motor
+\item On lnsa10 in the lnslib account in a motor/instrument directory. For
+example: /data/lnslib/motor/dmc   
+\end{itemize}
+In each of these directories there is an instrument specific shell script
+which does the job. It has a name such as instrumentmotor, for example
+dmcmotor . This shell script expects one argument which must be one of the
+keywords load or save. With the option save specified motor parameters are
+read from the controller and stored into files. With the option load the
+stored motor parameters are loaded into the motor controller. Thus the
+procedure for saving and restoring motor parameters becomes:
+\begin{enumerate}
+\item change to the directory with the motor parameters
+(/home/INSTRUMENT/motor or /data/lnslib/motor/instrument).
+\item type: instrumentmotor save  for saving motor parameters to disk.
+\item type instrumentmotor load   for loading motor parameters to the
+controller. 
+\end{enumerate}
+
+\begin{Large}
+It is the instrument scientists responsability to save motor parameters to
+disk after changes to both locations.
+\end{Large} 
+
+In order to make this more interesting, files at lnsa10 are write protected.
+In order to overwrite those you need to use the unix command chmod. 
+
+Saving motor parameters generates files with names like motNUM1@NUM2.par
+with NUM1, NUM2 being numbers. This means: motor number NUM1 at EL734 motor
+controller at Macintosh channel NUM2. These files can be edited when you
+know what you are doing. The command syntax is described in the El734 motor
+controller manual.
+
+   
+\end{document}