Omron NT30 Operation Manual page 155

Graphs
146
S Direction of Movement
The normal type can select the direction that the display position of the latest
data moves with the lapse of time. The pen recorder type can select the direc-
tion that entire graph moves.
Rightward Upward
100%
100% position is determined in accordance with the direction of scroll. 100%
position falls to the right when a graph scrolls longitudinally and at the upper
side when a graph scrolls laterally.
S Sign Representation
This attribute can specify whether or not a numeric value less than 0% value is
displayed.
To Display a Value Below 0%: Sign Display Yes
The trend graph is displayed in the range of –100% to 100%. In this case, 0%
position of a graph falls the center of a graph display area.
Not to Display a Value Below 0%: Sign Display No
The trend graph is displayed in the range of 0% to 100%. 0% position is at the
end of a graph. All values less than 0% are displayed as 0%.
S Drawing Width
Drawing width (direction of increase) must be specified from the previous data
to the following data in the range of 1 to 320 dots. If a value more than the graph
displaying frame is specified, a graph will not be displayed.
Drawing width
Direction of increase
Leftward Downward
100%
100%
100
%
100
%
–100%
100
%
100
%
Section 4-5
100%
the latest data: –50%
the latest data: 80%
the latest data: 80%
the latest data: –120%