46:  How do I stop Emacs from beeping on a terminal?
  
  Martin R. Frank <martin@cc.gatech.edu> writes:
  
    Tell Emacs to use the 'visible bell' instead of the audible bell, and
    set the visible bell to nothing.
  
    Put this in your TERMCAP environment variable:
  
      ... :vb=: ...                       
  
    And evaluate this:
  
      (setq visible-bell t)