Vernier Data Pro - Manual (Page 30)

Data Pro 28
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Tap on the part of the graph you want to be your left bound. A vertical line
with a > symbol will appear as your left bound.
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Repeat for the right bound, then tap (the Zoom tool). Note: The Zoom
tool does not appear on the toolbar unless Select Region is being used
(turned on).
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The new graph of your selected region will be displayed.
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You can view the data you have just collected in a Data Table by tapping
or . Important: If you have more than two data columns, you
can display other columns by tapping in the column heading area and
selecting another column. If you have multiple runs stored, a run menu
will appear in the upper right corner. Select the run you wish to view.
Important: Data that have been collected from a sensor (e.g., from a
Temperature Probe), or time data, cannot be edited or deleted. However, you
may edit cells in the Data Table that have values entered manually into them.
This would include values entered during Event with Entry or Manual Entry
modes. For example, a volume reading entered incorrectly during a pH
titration can be corrected by tapping on that cell in the Data Table, and
entering a new value.