Acquire the Sign
al
3. Release Menu Off, and then release
Autoset.
4. Select the desired side menu setting.
Autoset
Enabled
Autoset
Disabled
Quick Tips
To position the waveform appropriately, Autoset may change the vertical position. Autoset always sets vertical offset
to0V.
If you use Autoset when no channels are displayed, the instrument turns on channel one (1) and scales it.
If you use Autoset and the oscilloscope detects a video signal, the oscilloscope automatically sets the trigger type to
video and makes other adjustments to display a stable video signal.
Acquisition Concepts
Before a signal can be displayed, it must pass through the input channel where it is scaled and digitized. Each channel
has a ded
icated input amplifier and digitizer. Each channel produces a stream of digital data from which the instrument
extracts waveform records.
Sampling Process
Acquisition is the process of sampling an
analog signal, converting it into digital
data, and assembling it into a w aveform
record, which is then stored in acquisition
memory.
Input signal
Sampled points
Digital values
Real-Time Sampling
Record points
MSO3000 and DPO3000 Series
oscilloscopes use real-time sampling.
In real-time sampling, the instrument
digitizes all of the points it acquires using a
single trigger event.
Sampling rate
MSO3000 and DPO 3000 Series Oscilloscopes User Manual 49
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