; TVOFF
;---------------------------------------------------------------
;! Verb which turns off TV channel(s).
;# VERB TV
;-----------------------------------------------------------------------
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;-----------------------------------------------------------------------
;---------------------------------------------------------------
TVOFF     LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
TVOFF:  Verb which turns off TV channel(s).
COLORS         0.0        3.0      TV colors to enable
TVCHAN         1.0     4444.0      TV channels(s) to turn off
                                     four-decimal coded numbers

          The desired channels may be given instead as an
          immediate argument to TVOFF.  Example:  TVOFF(13)
          will turn off TV channels 1 and 3.
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TVOFF
Type: verb
Use:  Turn off (disable) one or all colors on one or more
      gray-scale image channels on TV. Does not affect status
      (on or off) of colors or channels not specified.
Adverbs: TVOFF takes an immediate arguement specifying, in
         decimal code, which channels to turn off.  E.g.
         TVOFF(43) disables channels 4 and 3.
COLORS...specifies which colors to disable.  0 = all, 1 = red,
         2 = green, and 3 = blue.
TVCHAN...TV channel(s) to turn off.  Only used if immediate
         argument is omitted.
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