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Outline of Functions
Section 4-2
S Reverse and flashing display
Reverse display: The display brightness of the character and the
background is reversed comparing with the
normal display.
Flashing display: Characters are displayed as they flash. The
normal display alternates with no-display.
Reverse and flashing display: The reverse display alternates with the normal
display.
Types and Attributes of the Figures
The following types of figures can be input by using the support tool and be dis-
played during operation. Continuous straight lines including up to 256 vertexes
can be drawn (up to 255 straight lines can be connected).
Continuous straight lines Circle
4-2-3 Communications with the Host
Communication using the host link/NT link/C200H direct communication
The NT20S-ST121-EV3/ST122-V1 can communicate with the PC through the
host link/NT link/C200H direct communication. Bits and words are allocated to
areas of the PC memory (selectable without restriction) and the NT20S can write
data to them or read from them directly. This makes the following functions pos-
sible:
S Control/Notification of display elements
S Control/Notification of the NT20S status
S Screen switching
S Ascertaining the number of the screen currently displayed
S Memory table operations
For details on actual operations, refer to Section 5 “How to Use the Host Link/NT
Link”
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