Vernier LabQuest 2 Manuale utente
LabQuest®2–UserManual
Version 2.8.5
May 2019
LabQuest®2 – User Manual
ii
ABOUT THIS GUIDE
LabQuest 2, released in March 2012, ships with a Quick-Start Guide to get you started with
basic data collection and analysis. The LabQuest 2 User Manual is an extended guide detailing
the features, hardware, and software of LabQuest 2.
LabQuest®2 User Manual
iii
SAFETY INFORMATION
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
Consult the dealer or an experienced radio/TV technician for help.
FCC Caution
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) this device may not cause harmful interference and
(2) this device must accept any interference received, including interference that may cause
undesired operation
RF Exposure Warning
The equipment complies with RF exposure limits set forth for an uncontrolled environment. The
antenna(s) used for this transmitter must not be co-located or operating in conjunction with any
other antenna or transmitter.
You are cautioned that changes or modifications not expressly approved by the party responsible
for compliance could void your authority to operate the equipment.
LabQuest®2 – User Manual
iv
IC Statement
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject
to the following two conditions: (1) this device may not cause interference, and (2) this device
must accept any interference, including interference that may cause undesired operation of the
device.
Industry Canada - Class B This digital apparatus does not exceed the Class B limits for radio
noise emissions from digital apparatus as set out in the interference-causing equipment standard
entitled “Digital Apparatus,” ICES-003 of Industry Canada. Operation is subject to the following
two conditions: (1) this device may not cause interference, and (2) this device must accept any
interference, including interference that may cause undesired operation of the device. To reduce
potential radio interference to other users, the antenna type and its gain should be so chosen that
the equivalent isotropically radiated power (e.i.r.p.) is not more than that permitted for successful
communication.
RF exposure warning: The equipment complies with RF exposure limits set forth for an
uncontrolled environment. The antenna(s) used for this transmitter must not be co-located or
operating in conjunction with any other antenna or transmitter.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio
exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : (1) l’appareil ne
doit pas produire de brouillage, et (2) l’appareil doit accepter tout interférence radioélectrique,
même si cela résulte à un brouillage susceptible d’en compromettre le fonctionnement.
Cet appareil numérique respecte les limites de bruits radioélectriques applicables aux appareils
numériques de Classe B prescrites dans la norme sur le matériel interférant-brouilleur:
“Appareils Numériques,” NMB-003 édictée par industrie Canada. L’utilisation est soumise aux
deux conditions suivantes: (1) cet appareil ne peut causer d’interférences, et (2) cet appareil doit
accepter toutes interférences, y comprises celles susceptibles de provoquer un disfonctionnement
du dispositif. Afin de réduire les interférences radio potentielles pour les autres utilisateurs, le
type d’antenne et son gain doivent être choisie de telle façon que l’équivalent de puissance
isotrope émis (e.i.r.p) n’est pas plus grand que celui permis pour une communication établie.
Avertissement d’exposition RF: L’équipement est conforme aux limites d’exposition aux RF
établies pour un environnement non supervisé. L’antenne (s) utilisée pour ce transmetteur ne
doit pas être jumelés ou fonctionner en conjonction avec toute autre antenne ou transmetteur.
LabQuest®2 User Manual
v
CONTENTS
I.GETTING STARTED WITH LABQUEST 2 .......................................................................................... 1
What’s Included ..................................................................................................................1
Using LabQuest for the First Time .....................................................................................1
Quick Start to Data Collection ...........................................................................................1
II.LABQUEST 2 HARDWARE ................................................................................................................. 4
Power Button ......................................................................................................................4
Touch Screen ......................................................................................................................5
Hardware Keys ...................................................................................................................5
Sensor Ports ........................................................................................................................5
Internal Sensors ..................................................................................................................7
III.LABQUEST APP .................................................................................................................................. 9
Navigating LabQuest App ..................................................................................................9
File Menu..........................................................................................................................10
Data Collection .................................................................................................................12
Data Analysis ....................................................................................................................22
Viewing Vernier Lab Instructions ....................................................................................29
Adding Notes to Your Experiment ...................................................................................30
Storing LabQuest App Files .............................................................................................30
Exporting LabQuest App Files .........................................................................................31
IV.DATA SHARING: USING LABQUEST 2 ........................................................................................... 32
How Data Sharing Works .................................................................................................32
Setting Up Data Sharing on LabQuest .............................................................................32
Connecting to LabQuest 2 from Your Device ..................................................................37
V.USING LABQUEST 2 WITH A COMPUTER OR CHROMEBOOK™ VIA USB ............................... 39
Collecting Data with Logger Lite, Logger Pro 3, or Graphical Analysis™ 4 .................39
Transferring Data from LabQuest to Logger Pro 3 or Logger Lite .................................39
Transferring Data from LabQuest to Graphical Analysis 4 .............................................40
VI.EMAILING FROM LABQUEST 2 ....................................................................................................... 41
VII.PRINTING FROM LABQUEST 2 ....................................................................................................... 42
VIII.PROJECTING AND MONITORING STUDENTS’ LABQUEST 2 DEVICES ..................................... 44
IX.ADDITIONAL APPS ON LABQUEST 2 ............................................................................................. 46
Audio Function Generator ................................................................................................46
Periodic Table ...................................................................................................................47
Power Amplifier ...............................................................................................................47
Calculator .........................................................................................................................47
Camera App ......................................................................................................................48
Sound Recorder ................................................................................................................48
Stopwatch .........................................................................................................................48
LabQuest®2 – User Manual
vi
X.APPENDICES ..................................................................................................................................... 49
Appendix A – LabQuest 2 Technical Specifications .......................................................49
Appendix B – LabQuest Maintenance .............................................................................50
Appendix C – LabQuest Keyboard ..................................................................................52
Appendix D – License Information ..................................................................................53
Appendix E – Warranty ....................................................................................................53
Appendix F – Curriculum Resources ...............................................................................53
Appendix G – Accessories, Replacement Parts, and Related Products ...........................54
1
I. GETTING STARTED WITH LABQUEST® 2
What’s Included
LabQuest 2 interface
Rechargeable battery (in unit)
AC power adapter
Computer connection (USB) cable
Quick-Start guide
Stylus (in unit)
Stylus tether
Using LabQuest for the First Time
Install the Battery
LabQuest ships with the battery in place; however, there is a protective tab covering the battery
contacts that needs to be removed before the first use. Pull the tab out of the unit before using
LabQuest.
Charge Overnight
We recommend charging the battery for at least 12 hours prior to using LabQuest for the first
time on battery power. To do this, connect the included power adapter to LabQuest and an AC
power source. You can also charge LabQuest using the LabQuest Charging Station (order
code LQ2-CRG, sold separately).
LabQuest uses a high-quality lithium-ion battery. This is the same chemistry used in premium
laptop and cell phone batteries, and you can expect similar performance. There is never a need to
condition the battery by regular full discharge/charge cycles.
It is safe to leave the battery charging indefinitely, and there is no need to fully discharge the
battery before charging. Battery life will depend on the sensors used, but in most cases you can
obtain six or more hours of use before recharging. We recommend charging LabQuest overnight
to start the next day with a full charge. For more details about the battery, see LabQuest Battery.
Quick Start to Data Collection
Follow these steps to quickly get starte
d
with basic data
collection. For more detailed instructions, see Data
Collection.
1. Press and release the power button located on the
top edge of LabQuest to turn on the unit.
LabQuest App launches automatically.
Getting Started with LabQuest
®
2
2
2. Connect an analog sensor to the CH 1 port on
LabQuest or connect a digital sensor to the DIG 1
port. LabQuest App will auto-ID the connected
sensor and automatically set the default collection
rate for the sensor.
TIP! If your sensor is an older-style (DIN) sensor
requiring an adapter, the sensor will not auto-ID.
Instead, you will need to set up the sensor
manually. See Sensor Setup.
3. Next, tap Collect . Data collection begins and
LabQuest graphs the data in real time.
You can stop collection early by tapping Stop
.
Once data collection is complete, the graph
autoscales to the data.
4. Tap the graph to examine a point of interest. The
coordinates of the point are shown in the panel to
the right of the graph. Tap another point or tap the
Examine buttons to move the cursor left and
right .
5. To select a region of data for analysis, tap-and-drag across the graph to highlight the desired
region. TIP! To analyze all data, you do not need to select a region.
Statistics
To view statistics for the selected data on the Graph
screen, choose Statistics from the Analyze menu.
Select the check box to select a data column. The
statistics information is then displayed in the panel
to the right of the graph.
To remove the displayed statistics, tap Analyze on
the Graph screen, choose Statistics, and then select
the checked box to clear the selection.
LabQuest®2 – User Manual
3
Curve Fit
To fit a curve to the selected data on the Graph
screen, choose Curve Fit from the Analyze menu.
Select the check box to select a data column. Tap
Choose Fit and choose the desired fit equation.
LabQuest automatically determines and displays
the fit coefficients, and displays a preview of the
curve fit on the graph. Tap OK to apply the fit and
return to the Graph screen.
To remove the fit, choose Curve Fit from the
Analyze Menu, and then select the checked box to
clear the selection.
TIP! The Curve Fit coefficients cannot be manually adjusted. To enter your own parameters,
see the
M
ode
l
tool within Data Anal
y
sis.
4
II. LABQUEST
®
2 HARDWARE
Once LabQuest is connected to AC power or the battery has charged, press the power button
located on the top of the unit, near the left edge. LabQuest will complete its booting procedure
and automatically launch the LabQuest App by default, as shown above. If the screen
momentarily shows a charge battery icon or does not light after a moment when used on battery
power, connect the power adapter to LabQuest and to an AC power source, then try the power
button again.
Power Button
Power on – If the screen is off for any reason (LabQuest is off, asleep, or the screen has
turned off to conserve battery power), press and release the power button to turn LabQuest
back on. If LabQuest was off, LabQuest will also complete its booting procedure, which
takes about a minute, and then display LabQuest App.
Sleep/wake – When LabQuest is on, press and release the power button once to put LabQuest
into a sleep mode. Note that sleep mode does not start until you release the power button. In
this mode, LabQuest uses less power but the battery can still drain. This mode is useful if you
are going to return to data collection again soon, in which case waking LabQuest from sleep
is quicker than restarting after shutdown. To wake LabQuest from sleep, press and release the
power button. When LabQuest is left asleep for one week it will automatically shutdown.
Shut down – To shut down LabQuest, hold the power button down for about five seconds.
LabQuest displays a message indicating it is shutting down. Release the power button, and
allow LabQuest to shut down. To cancel the shutdown procedure at this point, tap Cancel.
You can also shut down LabQuest from the Home screen . To do this, tap System and then
tap Shut Down .
Emergency shutdown – If you hold the power button down for about eight seconds,
LabQuest powers off uncleanly. This is the same as pulling the battery out of the unit while it
is running. This is not recommended unless LabQuest is frozen, as you may lose your data
and potentially cause file system corruption.
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