Omron NT21 Reference Manual page 109

Fixed Displays
Attribute
Inverse
Flash
Inverse Flash
Rectangle
The relationship between the properties of a rectangle and the displayed graph-
ic are indicated below.
Properties
General
Position Coordinates of the top left vertex of the rectangle
Size Width and height of the rectangle (dot units)
Attribute Display mode for the rectangle (Display attribute and
drawing result, page 94).
Color
Foreground Display color of the rectangle (Colors other than black and
white are available with the NT31C and NT631C only.)
The line style is fixed as solid line and thickness is fixed as one dot.
At the Support Tool, specify the start point and end point as shown in the figure
below (it is not necessary to draw the rectangle from top left to bottom right). By
setting the start point and end point, the position and size are automatically set.
Position (top left corner of the rectangle)
Drawing Result
The entire circle is displayed in the foreground color.
Repeated alternation between standard display and
no display.
Repeated alternation between inverse and standard
display.
Standard/Inverse/Flash/Inverse Flash
Black/Blue/Red/Magenta/Green/Cyan/Yellow/White
Start point
Size (X direction)
Section 2-4
No display
Size (Y direction)
End point
93