.de BR
.in 0
.in +8n
.ti -5n
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.Th BACKGROUND
.S2 SUMMARY:
Set trace background color

BACKGROUND [ ON | OFF ] [ Color color_int ] [ DEFAULT ]

.S2 INPUT:
ON        : turn background color on
.BR
OFF       : turn background color off
.BR
Color Color_int : set the color - default value = 0; An integer between 0 and 1100. 0 is always background of screen, 1 is the screen foreground. for color displays 2 = Red, 3= Green, 4 = Blue etc. 1000 to 1100 is a transition from red to blue.
.S2 DESCRIPTION:
Set the background display for the plots.  Note this does not change the frame background.
.S2 EXAMPLES:

.S2 DEFAULT
BACKGROUND OFF
.S2 "SEE ALSO":
