\subsection{Metronome}
This plugin can be used as a metronome to keep time during music
practice.  Adjust the tempo though the interface or by tapping it out
on the appropriate button.

\begin{table}
\begin{btnmap}{}{}
\opt{player,h1xx,h300}{Stop}\opt{recorder,recorderv2fm}{Off}
\opt{ondio}{OnOff}\opt{ipodcolor,ipodnano}{Menu} 
& Exit plugin \\
\opt{player,recorder,recorderv2fm,h1xx,h300,ipodcolor,ipodnano}{Play}
\opt{ondio}{Mode (hold: Stop)} 
& Start / Stop \\
\opt{player,recorder,recorderv2fm}{On}\opt{ondio}{Mode (repeatedly)}
\opt{h1xx,h300,ipodcolor,ipodnano}{Select} 
& Tap tempo \\
Left/Right & Adjust tempo \\
\opt{player}{On+Left/Right}
\opt{recorder,recorderv2fm,ondio,h1xx,h300,ipodcolor,ipodnano}{Up/Down} 
& Adjust volume \\
\end{btnmap}
\end{table}