Power amplifier, Calculator, Sound recorder – Vernier LabQuest 2 User Manual

Page 47: Stopwatch

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Additional Apps on LabQuest

43

Power Amplifier

From the Home screen, tap Power Amplifier to launch
this app. The Power Amplifier App controls the

Vernier

Power Amplifier (order code PAMP)

used to create

waveforms with up to 10 V amplitude and currents of
1 A. Connect the Power Amplifier to the LabQuest
audio output.

Select the desired output (AC or DC). DC output levels
are limited to 0.2 V steps. AC waveforms include sine, square, sawtooth, and ramps. Select an
amplitude and frequency using the controls. The frequency can be changed by factors of two
using either the buttons, or in small steps using the slider. Start and stop the output using the
control at left.

Calculator

From the Home screen, tap Accessories, and then tap
Calculator to launch this app anytime. The calculator is
a standard scientific calculator that uses algebraic
notation. You can also copy a calculator result and paste
it into the Notes tab.

Sound Recorder

From the Home screen, tap Accessories, and then tap
Sound Recorder to launch this app. The sound recorder
is used to capture short audio clips, typically for voice
notes. To record a clip, tap the record button

. To

stop, tap the square red stop button. Play the clip back
using the green play button. The disk button allows you
to save the clip, which can later be opened using the
open file folder icon. The blank page icon clears out any
current audio clip.
Tip: Use Sound Recorder to quickly make audio notes on experiments.

Stopwatch

From the Home screen, tap Accessories, and then tap
Stopwatch to launch this app. The Stopwatch is a
simple timer. Tap the start button to begin timing; tap it
again to stop. Subsequent taps will continue to start and
stop the timer. Tap the middle reset button to return the
timer to zero. The copy button will place the current
time on the clipboard for pasting into the Notes screen
of LabQuest App, or into the calculator.

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