\section{Settings}
\begin{center}
  \begin{longtable}{@{}lll@{}}\toprule
    \textbf{Setting} & \textbf{Allowed Values} & \textbf{Unit}\\\midrule
    \config{volume} & \config{0} to \config{100} & \%\\
    \config{bass} & \config{-15} to \config{+15} & dB\\
    \config{treble} & \config{-15} to \config{+15} &dB\\
    \config{balance} & \config{-100} to \config{+100} & \%\\
    \config{channels} & \config{stereo, stereo narrow,} & n/a\\
             & \config{stereo wide,} & \\
             & \config{mono, mono left,} & \\ 
             & \config{mono right, karaoke} & \\
    \config{shuffle} & \config{on}, \config{off} & N/A\\
    \config{repeat} & \config{off, all, one} & N/A\\
    \config{play selected} & \config{on, off} & N/A\\
    \config{resume} & \config{off, ask, ask once, on} & N/A\\
    \config{scan min step} & \config{1, 2, 3, 4, 5, 6, 8, 10, 15,} & seconds\\
                  & \config{20, 25, 30, 45, 60} &\\
    \config{scan accel} & \config{0} to \config{15} & seconds\\
    \config{antiskip} & \config{0} to \config{7} & seconds\\
    \config{volume fade} & \config{on, off} & N/A\\
    \config{id3 tag priority} & \config{v2-v1, v1-v2} & N/A\\
    \config{sort case} & \config{on, off} & N/A\\
    \config{show files} & \config{all, supported, music, playlists} & N/A\\
    \config{follow playlist} & \config{on, off} & N/A\\
    \config{playlist viewer icons} & \config{off,on} & N/A\\
    \config{playlist viewer indices} & \config{off,on} & N/A\\
    \config{playlist viewer track display} & \config{track name,full path} & N/A\\
    \config{recursive directory insert} & \config{off,on} & N/A\\
    \config{scroll speed} & \config{1} to \config{25} & Hz\\
    \config{scroll delay} & \config{0} to \config{250} & 1/10s\\
    \config{scroll step} & \config{1} to \config{112} & pixels\\
    \config{bidir limit} & \config{0} to \config{200} & \% of \\
                         &          & screen width\\
    \config{contrast} & \config{0} to \config{63} & N/A\\
    \config{backlight timeout} & \config{off, on, 1, 2, 3, 4, 5,} & seconds\\
                      & \config{6, 7, 8, 9, 10, 15, 20,} & \\
                      & \config{25, 30, 45, 60, 90} & \\
    \config{backlight when plugged} & \config{on, off} & N/A\\
    \config{disk spindown} & \config{3} to \config{254} & seconds\\
    \config{battery capacity} & \config{1500} to \config{3200} & mAh\\
    \config{idle poweroff} & \config{off, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,} & minutes\\
                  & \config{15, 30, 45, 60} & \\
    \config{lang} & \config{/path/filename.lng} & N/A\\
    \config{wps} & \config{/path/filename.wps} & N/A\\
    \config{autocreate bookmarks} & \config{off,on} & N/A\\
    \config{autoload bookmarks} & \config{off,on} & N/A\\
    \config{use most-recent-bookmarks} & \config{off,on} & N/A\\
    \config{talk dir} & \config{off,number,spell,enter,hover} & N/A\\
    \config{talk file} & \config{off,number,spel}l & N/A\\
    \config{talk menu} & \config{off,on} & N/A\\

    \opt{recorder,recorderv2fm}{
      \config{loudness} & \config{0} to \config{17} & N/A\\
      \config{super bass} & \config{on,off} & N/A\\
      \config{auto volume} & \config{off, 20ms, 2s, 4s, 8s} & seconds\\
      \config{MDB enable} & \config{on,off} & N/A\\
      \config{MDB strength} & \config{0} to \config{127} & dB\\
      \config{MDB harmonics} & \config{0} to \config{100} & \%\\
      \config{MDB center frequency} & \config{20} to \config{300} & Hz\\
      \config{MDB shape} & \config{50} to \config{300} & Hz\\
      \config{deep discharge} & \config{on, off} & N/A\\
      \config{trickle charge} & \config{on, off} & N/A\\
    }

    \opt{HAVE_LCD_BITMAP}{
      \config{peak meter release} & \config{1} to \config{126} & ?\\
      \config{peak meter hold} & \config{off, 200ms, 300ms, 500ms,} & N/A \\
                     & \config{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15,} &\\ 
                     & \config{20, 30, 1min} & \\
      \config{peak meter clip hold} & \config{on, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,} & N/A \\
                           & \config{15, 20, 25, 30, 45, 60, 90, 2min,} &\\
                           & \config{3min, 5min, 10min, 20min,} &\\
                           & \config{45min, 90min} & \\
      \config{peak meter busy} & \config{on, off} & N/A\\
      \config{peak meter dbfs} & \config{on, off} & on = dbfs,\\
                      &         & off = linear\\
      \config{peak meter min}  & \config{0dB} to \config{89dB} or \config{0\%} to \config{\%100} (\%) & dB or \%\\
      \config{peak meter max}  & \config{0dB} to \config{89dB} or \config{0\%} to \config{100\%} (\%) & dB or \%\\
      \config{statusbar} & \config{on, off} & N/A\\
      \config{scrollbar} & \config{on, off} & N/A\\
      \config{volume display} & \config{graphic, numeric} & N/A\\
      \config{battery display} & \config{graphic, numeric} & N/A\\
      \config{font} & \config{/path/filename.fnt} & N/A\\
      \config{invert} & \config{on, off} & N/A\\
      \config{disk poweroff} & \config{on, off} & N/A\\
    }
    \opt{CONFIG_RTC}{
      time format & \config{12hour, 24hour} & N/A\\      
    }
    \opt{HAVE_RECORDING}{
     \config{rec quality} & \config{0} to \config{7} & 0=smallest size,\\
                 &        & 7=highest quality\\
     \config{rec frequency} & \config{48, 44, 32, 24, 22, 16} & kHz\\
     \config{rec source} & \config{mic, line, spdif} & N/A\\
     \config{rec channels} & \config{mono, stereo} & N/A\\
     \config{rec mic gain} & \config{0 to 15} & N/A\\
     \config{rec left gain} & \config{0 to 15} & N/A\\
     \config{rec right gain} & \config{0 to 15} & N/A\\
     \config{editable recordings} & \config{off,on} & N/A\\
     \config{rec timesplit} & \config{off, 0:05, 0:10, 0:15, 0:30, 1:00,} & h:mm\\
                   & \config{2:00, 4:00, 6:00, 8:00, 16:00, 24:00} & \\
     \config{pre-recording time} & \config{off}, \config{1} to \config{30} & s\\
     \config{rec directory} & \config{/recordings,current} & N/A\\
    }
    \opt{CONFIG_TUNER}{
      \config{Force FM mono} & \config{off,on} & N/A\\
    }
    \bottomrule
  \end{longtable}
\end{center}