; TVON
;---------------------------------------------------------------
;! Turns on one or all TV image planes
;# VERB TV
;-----------------------------------------------------------------------
;;  Copyright (C) 1995
;;  Associated Universities, Inc. Washington DC, USA.
;;
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;;  GNU General Public License for more details.
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;-----------------------------------------------------------------------
;---------------------------------------------------------------
TVON      LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
TVON:  Verb which turns on TV channel(s).
COLORS         0.0        3.0      TV colors to enable
TVCHAN         1.0     4444.0      TV channels(s) to turn on
                                     four-decimal coded numbers

          The desired channels may be given instead as an
          immediate argument to TVON.  Example:  TVON(13)  will
          turn on TV channels 1 and 3.
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TVON
Type: verb
Use:  Turn on (enable) 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: TVON takes an immediate arguement specifiying
         in decimal code which channels to turn on.  E.g.
         TVON(43) enables channels 4 and 3.
COLORS...specifies which colors to enable.  0 = all, 1 = red,
         2 = green, and 3 = blue.
TVCHAN...TV channel(s) to turn on.  Only used if immediate
         argument is omitted.
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