Using Historical Charts
4-3
7800-A2-GB28-80
May 1999
Managing Historical Charts
From the Historical Chart window, you can:
H
Change the format of graphs.
H
Query a point on a graph.
H
Zoom in and out of a graph portion.
H
Print a chart to a file or the printer.
H
Obtain Help
Specifying a Graph Format
The Bar drop-down menu, located in the upper right-hand corner of a graph, is
used to change the appearance of a graph. You can display plots on a graph as a
Line, Bar, or Stack.
Click on the drop-down menu to change to any format listed.
Querying a Point on a Graph
To obtain the exact value and timestamp of a graph point, you must query the
point.
"
Procedure
To query a graph point:
1. Position the cursor over a point on the graph.
2. Press the right mouse button. The exact timestamp value of the point closest
to where you clicked appears in the pop-up menu.
On Weekly Averaged (trended) graphs, a link to the Daily Details graph is also
provided for the date specified.
