Outline Of Functions; Nt20S Screen - Omron NT20S Operation Manual

Outline of Functions

4-2

Outline of Functions

4-2-1

NT20S Screen

Composition of the Screen
Screen Management
Special Screen Number
118
This section gives the outline of the screen which is the basis of all NT20S func-
tions.
For specific operation procedure such as screen switching, refer to "Switching the
Screen Display" (page 157).
The NT20S screen is composed of horizontal 256 dots x vertical 128 dots. Each
dot is set by the combination of the X (horizontal) and Y (vertical) coordinates. The
origin of coordinates (0, 0) is set at the top left corner of the screen.
0
0
Y coordinate
(vertical)
127
The screens displayed on the NT20S are managed by the screen numbers.
When using the NT20S, up to 495 screens can be created and screen numbers in
the ranges 1 to 250 and 256 to 500 can be used (numbers 251 to 255 are reserved
for system use).
The display screens can be switched or the start-up screen can be set by designat-
ing the screen number from the Host.
Screen number "0" is reserved for the system as the no-display screen. Select this
to display nothing on the NT20S screen.
X coordinate (horizontal)
Coordinates
(x, y)
Section 4-2
255
255, 127