The length of a ``track'' procedure scan is usually set by the scan_duration parameter. While mapping other keywords are used to define the length of a scan.
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.scanduration]~~~ ...
...nge:]
\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img1.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.pointduration]~~~...
...nge:]
\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img2.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.onduration]~~~
...
...nge:]
\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img3.png)
![$\textstyle \parbox{6.25in}{
\begin{description}
\item [proc.offduration]~~~
...
...nge:]
\item[YGOR to GO mapping:]
}{}
\end{description} \end{description}}$](img4.png)