% @(#)blink_chan.hlq	17.1.1.1 (ESO-IPG) 01/25/02 17:43:18 
%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
%.COPYRIGHT  (c)  1990 European Southern Observatory
%.IDENT      blink_chan.hlq
%.AUTHOR     KB, IPG/ESO
%.KEYWORDS   MIDAS, help files, BLINK/CHANNEL
%.PURPOSE    On-line help file for the command: BLINK/CHANNEL
%.VERSION    1.0  03-MAY-1990 : Creation, KB
%.VERSION    1.1  07-JAN-1992 : Update, KB
%.VERSION    1.2  30-JUN-1994 : Update, KB
%----------------------------------------------------------------
\se
SECTION./CHAN
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BLINK/CHANNEL                                           06-DEC-1996  KB
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BLINK/CHANNEL [cha1,cha2,..] [intval] [area_option]
        blink between Image Display channels
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Purpose:
          Blink between Image Display channels.
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Syntax:
          BLINK/CHANNEL [cha1,cha2,..] [intval] [area_option]
\ys\pa
          cha1,cha2,.. = string with at least 2 channels and up to the last
               channel no. of the display;
\\
               defaulted to 0,1
\ap\pa
          intval = time in seconds to wait before switching from one
               channel to the next;
\\
               defaulted to 0.1 (= 1/10 second)
\ap\pa
          area_option = option for blinking area, if set to CURSOR the
               sub-window of the display where to blink is chosen via the
               cursor rectangle;
\\
               otherwise the whole display window is used for blinking;
\\
               this is the default
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See also:
          DISPLAY/CHANNEL, [ImageDisplay]
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Note: 
          To terminate the blinking, place the mouse in the display window
          and press the Exit button.
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          If you enter 0.0 as delay, blinking is done continuously.
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Examples:
\ex
          BLINK/CHANNEL
            Blink between channel 0 and channel 1 with a delay of 0.1 sec.
\xe\ex
          BLINK/CHANNEL 2,1,3 0.2
            Blink between channel 2, 1 and 3 with a delay of 0.2 sec.
\xe\ex
          BLINK/CHAN 0,1,2,3,4,5,6 0.2 cursor
            Use the cursor rectangle to choose a subwindow (with channel 0
            displayed) and display that sub-window of channel 0, 1, 2, 3, 4, 5
            and 6 with a delay of 0.2 sec.
\\
            This assumes that you created the display with 7 memories...
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