Overlaying Graphs - Keithley 4200-SCS User Manual

Section 4: How to Control Other Instruments with the Model 4200-SCS
Figure 4-55
id-vg graphs
A. Before-stress graph
3. Scale settings: To effectively compare the two graphs, they must both have the same
scale settings.
NOTE
Figure 4-56
Graph scale settings
A. X-axis
4. Compare graphs: Visually inspect the two graphs for differences caused by the stress.
You can also click the Sheet tabs and compare the data collected for the two tests.

Overlaying graphs

To compare the two graphs by laying the after-stress graph over the before-stress graph:
1. For the after-stress test, click the Sheet tab to display the data spreadsheet.
2. Select all five columns by clicking and dragging the mouse pointer from Column A through
Column E. Press Ctrl + C to copy those columns.
3. For the before-stress test, click the Sheet tab, and then the Calc tab (located at the bottom).
4-36
Figure 4-56
• Scale settings for a graph are set by clicking the axis properties item in the graph
menu.
• A graph menu is displayed by placing the mouse pointer in an open area of the graph,
and then right-clicking the mouse.
Remember that there is a separate graph menu (and axis properties window) for each
graph.
Return to
B. After-stress graph
shows the scale settings for the graphs in
B. Y-axis
Section Topics
Model 4200-SCS User Manual
Figure 4-55.
C. Y2-axis
4200-900-01 Rev. K / February 2017