Vernier LabQuest 2 - Manual (Page 17)

LabQuest App
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Data-Collection Controls
To start data collection from any LabQuest App screen, tap Collect . During data collection,
tap Stop to end data collection early. In selected data-collection modes (e.g., Events with
Entry), a Keep button will appear to the right of the Stop button. In this mode, you must tap
to record the data point in the data table. For more information, see Events with Entry .
Data-Collection Settings
The Sensors menu provides access to detailed setup
controls. Use this menu to set up internal sensors, non-
auto-ID sensors, and the Wireless Dynamics Sensor
System (WDSS). You can also use this menu to change
the data-collection parameters and adjust sensor-
specific settings.
•
Sensor Setup – Choose Sensor Setup from the
Sensors menu to view connected sensors. To
manually set up non-auto-ID sensors, tap the
field displaying “No Sensor” for the channel to
which your sensor is connected. Then choose
the appropriate sensor from the list and tap OK.
You can also activate (or deactivate) the internal
sensors from the Sensor Setup dialog box. Select
the check box next to the desired sensor to make
that sensor available for data collection.
•
Data Collection – Choose Data Collection from
the Sensors menu to set the data-collection mode
and associated parameters. The parameters listed
will depend on the mode selected.
o Mode: Time-Based – Time-based data
collection is the default data-collection
mode for most sensors. In this mode,
sensor readings are recorded at regular
time intervals.
Adjustable parameters for this mode
include the rate (or interval) and duration
of data collection. The total number of
samples to be collected based on these
parameters will be displayed.
Warning Messages
Under some circumstances, the Rate and Duration fields may be highlighted in
yellow or red. The yellow warning indicates that the rate has been set to a value
slower or faster than what is recommended for the connected sensor, or that the