MOC Shortcuts

List of MOC Keys
  enter  -- starts playing
  s      -- stops playing
  n      -- plays next item from the playlist
  b      -- plays previous item from the playlist
  space  -- pause
  p      -- pause

  S      -- plays at random
  R      -- repeats the same song in a loop, 
	    Next (X button below) must be OFF
  X      -- switches to play sequentially
  o      -- plays a file from the Internet
  u      -- moves playlist item up
  j      -- moves playlist item down
  Ctrl+u -- adds the URL to the playlist
  g      -- searches marked string in file names
  /      -- searches marked string in file names

  r      -- rereads the directory
  T      -- switches to the theme selection menu
  f      -- toggles display mode of song titles
  TAB    -- switches marker bar between the playlist 
	    and the file manager panels
  l      -- switches between displaying the playlist 
            or the file manager panel
  P      -- switches full path in the playlist
  H      -- toggles hidden files view
  Ctrl-t -- toggles song duration time 
  Ctrl-f -- toggles format file view
  m      -- moves to directory entered in config file 
  G      -- moves to directory with currently played file
  i      -- moves to marked directory
  U      -- moves to upper directory
  a      -- adds a file to the playlist
  A      -- adds a directory recursively to the playlist
  C      -- clears the playlist
  V      -- saves the playlist
  d      -- removes marked item from the playlist
  Y      -- removes all empty items from the playlist

  < -- decreases volume by 1%
  ,      -- decreases volume by 5%
  >      -- increases volume by 1%
  .      -- increases volume by 5%

  x      -- toggles the mixer channel
  ?      -- shows help

  !      -- goes to a fast dir 1 (set in config file)
  @      -- goes to a fast dir 2
  #      -- goes to a fast dir 3
  $      -- goes to a fast dir 4
  %      -- goes to a fast dir 5
  ^      -- goes to a fast dir 6
  &      -- goes to a fast dir 7
  *      -- goes to a fast dir 8
  (      -- goes to a fast dir 9
  )      -- goes to a fast dir 10

  F1     -- executes ExecCommand1 (set in config file)
  F2     -- executes ExecCommand2
  F3     -- executes ExecCommand3
  F4     -- executes ExecCommand4
  F5     -- executes ExecCommand5
  F6     -- executes ExecCommand6
  F7     -- executes ExecCommand7
  F8     -- executes ExecCommand8
  F9     -- executes ExecCommand9
  F10    -- executes ExecCommand10

Moc volume settings corresponds to ALSA hardware mixer settings. You can use "Softmixer" in Moc to have independent volume control ('w' to enable, 'x' to switch mixer channel).

Source.