Vernier LabQuest 2 Manual do Utilizador descarregar pdf (Página 23)

LabQuest App

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.

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