Acquire the Sign
al
How the Analog Acquisition Modes Work
Sample mode retains the first sampled point
from each acqu
isition i nterval. Sample is the
default mode.
Peak Detect mode uses the highest and
lowest of all
the samples contained in two
consecutive acquisition intervals. This mode
only w orks with real-time, noninterpolated
sampling a n
d is useful for catching high
frequency glitches.
Hi Res mode calculates the average of all
the samples for each acquisition interval.
This mode a
lso only works with real-time,
noninterpolated sampling. Hi-Res provides
a higher-resolution, lower-bandwidth
waveform
.
Envelop
e mode finds the highest and lowest
record points over all acquisitions. Envelope
uses P eak Detect for each individual
acquisi
tion.
Average mode calculates the average value
for eac
h record point over a user-specified
number of acquisitions. Average uses
Sample mode for each individual acquisition.
Use ave
rage mode to reduce random noise.
Changing the A cquisition Mode, Record Length, and Delay Time
Use this procedure to change the acquisition mode.
1. Push Acquire.
MDO4000 Series Oscilloscopes User Manual 57
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