% @(#)clear_scro.hlq	17.1.1.1 (ESO-IPG) 01/25/02 17:43:20 
%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
%.COPYRIGHT  (c)  1990 European Southern Observatory
%.IDENT      clear_scro.hlq
%.AUTHOR     KB, IPG/ESO
%.KEYWORDS   MIDAS, help files, CLEAR/SCRO
%.PURPOSE    On-line help file for the command: CLEAR/SCRO
%.VERSION    1.0  04-JUL-1990 : Creation, KB
%.VERSION    1.1  29-APR-1991 : Update, KB
%----------------------------------------------------------------
\se
SECTION./SCRO
\es\co
CLEAR/SCROLL                                             04-JUL-1990  KB
\oc\su
CLEAR/SCROLL [chanl]
	reset scroll values
\us\pu
Purpose: 
           Reset scroll values of image memory/channel.
\up\sy
Syntax:
           CLEAR/SCROLL [chanl]
\ys\pa
           chanl = image channel; defaulted to current channel
\ap\sa
See also:
           SCROLL/CHANNEL
\as\no
Note: 
           Scroll values point to upper left corner of image display, so for
           a 512*512 display the  initial scroll values are 0,511 .
\on\exs
Examples:
\ex
           CLEAR/SCROLL
           Reset scroll values of currently displayed image memory (channel) to
           upper left corner of display.
\xe \sxe