Acquisition
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Copyright © Qingdao Hantek Electronics Co., LTD Tablet1000 User manual
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principal axis of the ellipse is in quadrants II and IV, the phase difference angle obtained
should be in quadrants II and III, that is, within (π/2 to π) or (π to 3π/2).
This mode divides the voltage of channel 1 relative to the voltage of channel 2, where
channel 1 is the horizontal axis and channel 2 is the vertical axis. The oscilloscope uses
an untriggered "sampling mode" and displays the data as points. The sampling rate is
fixed at 1MS/s.
Oscilloscope can acquire the waveform in normal YT mode at any sampling rate. You
can view the same waveform under XY mode. To do this, stop the acquisition and
change the display mode to XY.
Scroll mode:
Waveform refresh display from right to left. The range of the horizontal time base is
100ms to 100s.
Figure 11.2 Scroll mode
Under scroll mode, tap the H/R key to stop the display of waveform. Tap the H/R key
again to clear the waveform display and restart the collection.
The scroll mode is generally used to observe waveforms with frequencies below 5Hz.
The scroll mode is enabled by default. When the time base is greater than 100ms, the
rolling mode is automatically enabled. If you need to view signals to be triggered in a
large time base, disable the scroll mode.
11.4 Storage depth
Memory depth refers to the number of waveform points an oscilloscope can store in a
trigger acquisition. It reflects the storage capacity of the acquisition memory.
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