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% $Id$ %
\section{\label{ref:SystemOptions}System Options}
\subsection{Battery}
Options relating to the batteries in the \dap.
\begin{description}
\item [Battery Capacity: ]This setting can be used to tell Rockbox what
capacity (in mAh) of battery is being used inside it. The default is
\opt{player,recorder}{1500mAh}%
\opt{recorderv2fm}{2200mAh}%
\opt{ondiosp,ondiofm}{1000mAh}%
\opt{h1xx,h300}{1300mAh}%
\opt{ipodmini}{400mAh (1G) or 630mAh (2G)}%
\opt{ipodcolor}{700mAh}%
\opt{ipodnano,ipodvideo,ipod4g,ipod3g}{\fixme{unknown}}%
\opt{x5}{950mAh}%
, which is the capacity value for the standard batteries shipped with the \dap.
Rockbox uses this value to estimate remaining battery life for the status
bar and WPS. Changing this setting has no effect whatsoever on actual battery life.
This setting affects only the the accuracy of the battery life display on screen.
\opt{ipod}{This value is fairly meaningless in the iPod family at
present, and work is ongoing into finding a better way to determine battery life.}
\opt{ondiosp,ondiofm}{
\item [Battery Type: ]This setting tells Rockbox wich type of battery
that is currently used in the \dap.
}
\end{description}
\nopt{ondiosp,ondiofm}{
\subsection{Disk}
Options relating to the hard disk.
\begin{description}
\item [Disk Spindown: ]Rockbox has a timer that makes it spin down the
hard disk after it is idle for a certain amount of time. This setting
controls the amount of time between the last user activity and the time
that the disk spins down. This idle time is only affected by user
activity, like navigating through file browser. When the hard disk spins
up to fill the audio buffer, it automatically spins down afterwards.
\opt{recorder,h1xx,h300,x5}{
\item [Disk Poweroff: ]This setting controls whether the disk is powered
off or only set to ``sleep'' when spun down. If this setting is set to
\setting{YES}, the disk will power off. If set to \setting{NO}, the disk
will enter ``sleep'' mode. Power off uses less power but takes slightly
longer to spin-up.
}
\opt{SWCODEC}{
\item [Directory Cache: ]Rockbox has the ability to scan the contents of
your drive in the background and save those contents to a cache in RAM.
The \setting{Directory Cache} takes a small amount of memory away from Rockbox
that would otherwise be used to buffer music, but it speeds up navigation
by eliminating the slight pause between the time a navigation button is
pressed and the time Rockbox responds. Turning this setting \setting{On}
activates the directory cache, and turning it \setting{Off} deactivates the
directory cache.
\note{The first time you set the directory cache to \setting{On},
Rockbox will request a reboot of the \dap\ and upon restarting take a few
minutes to scan the drive. Thereafter, the directory cache will work in the
background.}
}
\end{description}
} % \nopt{ondiosp,ondiofm}
\opt{CONFIG_RTC}{
\subsection{Time and Date}
Time related menu options.
\begin{description}
\item [Set Time/Date: ]Set current time and date.
\item [Time Format: ] Choose 12 or 24 Hour clock.
\end{description}
}
\subsection{Power Control}
\begin{description}
\item [\label{ref:idlepoweroff}Idle Poweroff: ]Rockbox can be configured
to turn off power after the unit has been idle for a defined number of
minutes. The \dap\ is idle when playback is stopped or paused. It is not
idle while the USB or charger is connected, or while recording.
\item [Sleep Timer: ]This option lets you power off your \dap\ after
playing for a given time.
\opt{recorderv2fm}{This setting is reset on boot. Using this option
disables the \setting{Wake up alarm} (see below).}
\opt{recorderv2fm}{
\item [Wake up alarm: ]This option turns the \dap\ off and then starts
it up again at the specified time. This is most useful when combined
with the \setting{resume} setting in the \setting{Playback Options}
menu is set to \setting{Yes}, so that the \dap\ wakes up and immediately
starts playing music. Use \ButtonLeft\ and \ButtonRight\ to adjust the
minutes setting, \ButtonUp\ and \ButtonDown\ to adjust the HOURS.
\ButtonPlay\ confirms the alarm and shuts your \dap\ down, and \ButtonOff
cancels setting an alarm. If the \dap\ is turned on again before the
alarm occurs, the alarm will be canceled. Using this option disables
the \setting{Sleep Timer}(see above).
}
\end{description}
\subsection{Limits}
This submenu relates to limits in the Rockbox operating system.
\begin{description}
\item [Max files in dir browser: ]This setting controls the limit on
the number of files that you can put in any particular directory in the
file browser. You can configure the size to be between 50 and 10,000 files
in steps of 50 files. The default is 400. Higher values will shorten the
music buffer, so you should increase this setting \emph{only} if you have
directories with a large number of files.
\item [Max playlist size: ]This setting controls the maximum size of
a playlist. The playlist size can be between 1,000 and 20,000 files,
in steps of 1,000 (default is 10,000). Higher values will shorten the
music buffer, so you should increase this setting \emph{only} if you
have very large playlists.
\end{description}
\opt{player,recorder,recorderv2fm}{
\subsection{Car Adapter Mode}
This option turns \setting{On} and \setting{Off} the car ignition
auto stop function.
\begin{description}
\item [Car Adapter Mode: ]When using the \dap\ in a car,
\setting{Car Adapter Mode} automatically stops playback on the \dap\ when
power (i.e. from cigarette lighter power adapter) to the external DC in jack
is turned off. If the \setting{Car Adapter Mode} is set to \setting{On},
Rockbox will pause playback when the external power off condition is
detected. Rockbox will then shutdown the \dap\ after the length of time set
in the \setting{Idle Poweroff} setting (see above).
If power to the DC in jack is turned back on before the \emph{Idle Poweroff}
function has shut the \dap\ off, playback will be resumed 5 seconds after
the power is applied. This delay is to allow for the time while the car
engine is being started.
\end{description}
Once the \dap\ is shut off either manually, or automatically with the
\setting{Idle Poweroff} function, it must be powered up manually to resume
playback.
}
\opt{player}{
\subsection{Line In} This option activates the line in port on \dap, which is
off by default. This is useful for such applications as:
\begin{itemize}
\item Game boy $\rightarrow$ \dap $\rightarrow$ human
\item laptop $\rightarrow$ \dap $\rightarrow$ human
\item LAN party computer $\rightarrow$ \dap $\rightarrow$ human
\end{itemize}
}
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