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RIGOL Chapter 6 Operations and Measurements
6-34 DS8000-R User Guide
--Click Upper to select "Upper(%)" or "Upper(Abs)" first, and then
click the key to set the upper limit of the measurement. For details,
refer to descriptions in "Parameter Setting Method". When the
upper limit is set to be smaller than or equal to the current middle
value, a prompt message "Set at lower limit" is displayed. Then,
the oscilloscope will automatically adjust the upper limit and make
it greater than the middle value. By default, it is 90%.
--Click Mid to select "Mid(%)" or "Mid(Abs)" first, and then click
the key to set the middle value of the measurement. For details,
refer to descriptions in "Parameter Setting Method". The
middle value is limited by the settings of the upper limit and lower
limit. By default, it is 50%.
--Click Lower to select "Lower(%)" or "Lower(Abs)" first, and
then click the key to set the lower limit of the measurement. For
details, refer to descriptions in "Parameter Setting Method".
When the lower limit is set to be greater than or equal to the
current middle value, a prompt message "Set at upper limit" is
displayed. Then, the oscilloscope will automatically adjust the
lower limit and make it smaller than the middle value. By default, it
is 10%.
--Click Default, and then the upper value, middle value, and lower
value will be restored to the defaults.
➢ Select "Range", and then click Region to select "Main", "Zoom",
or "Cursor".
--Main: indicates that the measurement range is within the main
time base region.
--Zoom: indicates that the measurement range is within the
zoomed time base region. Note: Only when you enable the
delayed sweep function first, can "Zoom" be enabled.
--Cursor: when you select it, two cursors will be displayed on the
screen. At this time, click CursorA and CursorB respectively to
adjust the positions of the two cursors to determine the
measurement range. Also, you can click CursorAB to adjust the
positions of the two cursors simultaneously.
➢ Select "Amp Method", and then click Amp Method to select
"Auto" or "Manual". This method affects the measurement method
for the top and base values. If you select "Manual", you need to
set the following parameters:
--Click Top to select "Histogram" or "Max-Min".
--Click Base to select "Histogram" or "Max-Min".
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