User`s guide

Wor king with Plots in the System Identification Tool GUI
• To zoom in default increments, left-click the portion of the plot you want to
center in the plot window.
• To zoom in on a specific region, click and drag a rectangle that identifies
the region for magnification. When you release the mouse button, the
selected region is displayed.
• To zoom out, right-click on the plot.
Note To restore the full range of the data in view, select
Options > Autorange in the plot window.
Setting Axis Limits
You can change axis limits for the vertical and the horizontal axes of the input
and o utput channels that are currently displayed on the plot.
1 Select Options > Set axes limits to open the Lim its dia log box.
2 Specify a new range for each axis by editing its lower and upper limits. The
limits must be entered using the format [LowerLimit UpperL imit].Click
Apply. For example:
[0.1 100]
Note To restore full axis limits, select the Auto check box to the right
of the axis name, and click Apply.
3 To plot data on a linear scale, clear the Log check box to the right of the
axis name, and click Apply.
Note To revert to base-10 logarithmic scale, select the Log check box to
the right of the axis n ame, and click App ly.
4 Click Close .
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