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SDS6000A Series Digital Oscilloscope User Manual
90 int.siglent.com
14.2.3 Memory Management
Memory Management controls how the instrument stores the acquired samples.
Auto: The default acquisition setting. After setting the maximum memory in the
Auto mode, the oscilloscope automatically adjusts the sample rate and memory
depth according to the time base. The adjustment principle is to follow the
formula:
Sample rate = number of samples/time of acquisition
Where the time of acquisition is the time corresponding to the full display (i.e.
10 horizontal divisions).
Note: The maximum memory here is the upper limit of the memory space
allocated by the oscilloscope. The actual sample points are related to the
current time base and may be less than memory depth. The actual sample
points information can be obtained in the timebase descriptor box (see the
section "Timebase and Trigger" for details).
Fixed Sample Rate: The sample rate is fixed as set, and the oscilloscope
automatically adjusts memory depth according to the time base. The time of
acquisition is the time corresponding to the full display (i.e. 10 horizontal
divisions).
Fixed Memory: The memory depth is fixed as set, and the oscilloscope
automatically adjusts the sample rate according to the time base. With a small
time scale (such as 1 ns/div) the memory depth is beyond the time of the full
display, so it needs to zoom out the acquired frame for viewing the complete
frame in Stop mode.
Note: In Run status, the scope only processes the data on the display, which
means measure, math, decode, search, etc. only analysis the data on the
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