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     NAME
          blt_bell - ring the bell

     SYNOPSIS
          blt_bell ?percent?
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     DESCRIPTION
          This command is used to ring the keyboard bell.  percent  is
          relative  to  the  base  volume of the keyboard bell and can
          range from -100 to 100 inclusive.

          If percent is nonnegative then the bell volume is:

               base - [(base * percent) / 100] + percent
9          If percent is negative then the bell volume is:

               base + [(base * percent) / 100]
9          percent defaults to 50 if it is not specified.


     KEYWORDS
          bell, beep