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TDS1000/2000-Series Digital Oscilloscope User Manual
Peak Detect. Use Peak Detect acquisition mode to detect glitches as
narrow as 10 ns and to limit the possibility of aliasing. This mode is
effective when at the SEC/DIV setting of 5 s/div or slower.
12 34 5
Peak Detect mode displays the highest and lowest acquired voltage in each
interval.
Sample points displayed
Peak Detect acquisition intervals (1250)
NOTE. If you set the SEC/DIV setting to 2.5 s/div or faster, the
acquisition mode changes to Sample because the sample rate is fast
enough that Peak Detect is not necessary. The oscilloscope does not
display a message to tell you that the mode was changed to Sample.