\item Choose the size and other options you want and click the checkmark OK. If you choose the option \textit{Beep when done} you will hear a short beep if all media is already proxied or a longer beep when all proxies have been created.
\item When your editing is complete, use \textit{Settings} pulldown and proxy to \textit{original size}.
\end{enumerate}
-
Instead of Open Mixers, you can Insert Mixers with new tracks at the timeline insertion point.
+\begin{figure}[htpb]
+ \centering
+ \includegraphics[width=1.0\linewidth]{mixer-playable.png}
+ \caption{A Mixer window showing available options with the white X designating no playing}
+ \label{fig:mixer-playable}
+\end{figure}
+
+\subsubsection*{Options available in the \textit{Mixer Windows}}%
+\label{ssub:options_available_with_mixers}
+
+There are several options you will see in each Mixer window that help with using them. These
+are shown in figure~\ref{fig:mixer-playable}. To use these, RMB in the desired mixer window,
+and choose one of the options as described here.
+
+\begin{enumerate}
+ \item Fullscreen / Windowed - will bring up a fullscreen display of that window or revert to the original size.
+ \item Resize Window - allows for resizing the window to a choice of different sizes.
+ \item Tile Mixers - makes it easy to get all of the mixers nicely tiled to a standard size.
+This is also available in the Window pulldown.
+ \item Playable - enabled by default so that you will see a checkmark next to it in the
+popup. The benefit of making a mixer window not playable is to save cpu time. When a specific
+mixer window is unchecked, so not Playable, a white cross appears in the upper left hand corner
+of the mixer. To switch back to playing again, RMB and choose Playable and this will turn
+playing back on. The program automatically updates the mixer image when the timeline cursor
+stops or when it is moved to a different spot even when play is disabled. You can see the
+white cross designating not playable in figure~\ref{fig:mixer-playable}. Statistics that show
+the savings are as follows on a 16 cpu laptop:
+\begin{verbatim}
+ 5 Mixers all playing -- cpu usage = 1275
+ 1 only playing -- cpu usage = 405
+ 2 only playing -- cpu usage = 800
+\end{verbatim}
+\end{enumerate}
+
\subsection{Mixer Align by Audio}%
\label{sub:mixer_align_audio}