; TVOFF ;--------------------------------------------------------------- ;! Verb which turns off TV channel(s). ;# VERB TV ;----------------------------------------------------------------------- ;; Copyright (C) 1995, 2008 ;; Associated Universities, Inc. Washington DC, USA. ;; ;; This program is free software; you can redistribute it and/or ;; modify it under the terms of the GNU General Public License as ;; published by the Free Software Foundation; either version 2 of ;; the License, or (at your option) any later version. ;; ;; This program is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; ;; You should have received a copy of the GNU General Public ;; License along with this program; if not, write to the Free ;; Software Foundation, Inc., 675 Massachusetts Ave, Cambridge, ;; MA 02139, USA. ;; ;; Correspondence concerning AIPS should be addressed as follows: ;; Internet email: aipsmail@nrao.edu. ;; Postal address: AIPS Project Office ;; National Radio Astronomy Observatory ;; 520 Edgemont Road ;; Charlottesville, VA 22903-2475 USA ;----------------------------------------------------------------------- TVOFF LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC TVOFF: Verb which turns off TV channel(s). COLORS 0.0 3.0 TV colors to enable TVCHAN 1.0 16.0 TV channels to turn off The desired channels may be given instead as an immediate argument to TVOFF. In that case, the channel specification is a BINARY mask of the desired channels. Example: TVOFF(13) will turn off TV channels 1, 3, and 4 (values 1 + 4 + 8 = 13). ---------------------------------------------------------------- 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 BINARY code, which channels to turn off. E.g. TVOFF(43) disables channels 1, 2, 4, and 6 (values 1 + 2 + 8 + 32 = 43). COLORS.....Specifies which colors to disable. 0 = all, 1 = red, 2 = green, and 3 = blue. TVCHAN.....TV channel to turn off. Only used if immediate argument is omitted and specifies a single value. 0 -> 1 ----------------------------------------------------------------