Vernier LabQuest 2 - Manual (Page 23)

LabQuest App
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fine adjustments to the cursor location by using the Left Examine Button and Right
Examine Button located on either side of the horizontal-axis label.
In some cases, you may want to examine data for a particular region on the graph. To select a
portion for analysis, tap and drag across the desired region. You can adjust the trailing endpoint
of the selected region using the Examine Buttons, if needed. For greater control, you can opt to
use the stylus.
Adjusting the Graph View
You can adjust the graph view in real time during data
collection by applying one of the following actions
from the Graph menu.
•
Graph Options – Tap Graph Options to manually
adjust graph settings. To adjust the graph view,
change the values in the Left and Right fields for
the x-axis and y-axis.
•
Show Graph – Choose Show Graph from the
Graph menu to quickly jump between displaying
one or two graphs. You can also choose the Full
Width option to remove the data collection
summary box and maximize the graphs on the
screen.
When using spectrometers to collect intensity
data, the spectrum is displayed on the graph
background by default. Accordingly, Show
Spectrum is selected under the Show Graph
options. To hide the spectrum, choose Show Spectrum from Graph Options and select the
checked box to remove the selection.
•
Autoscale Once – Choose Autoscale Once from the Graph menu to scale the graph to the
data you have collected so far. Note: The graph will automatically rescale larger to show
data collected that would otherwise be off the graph.
• Tap on a graph axis label to change the data that is plotted on that axis.
Once data collection has ended, zoom options are also available.
•
Zoom In – Select a region on the graph, then tap
Zoom In to automatically adjust the axes for
viewing the selected region.
•
Zoom Out –Tap Zoom Out to undo a Zoom In
and return the graph axes to the previous
settings. If Zoom In is used several times, Zoom
Out will undo each Zoom In, one at a time.