- Press Type to select "Threshold", "Range", or "Amp Method".
- Select "Threshold", and then make the following settings:
Press Source to select the desired channel for measurement (CH1-CH4 or
Math1-Math4).
Press
Upper to select "Upper(%)" or "Upper(Abs)" first, and then press 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%.
Press
Mid to select "Mid(%)" or "Mid(Abs)" first, and then press 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%.
Press Lower to select "Lower(%)" or "Lower(Abs)" first, and then press 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%.
Press
Default, and then the upper value, middle value, and lower value will
be restored to the defaults.
NOTE
- In "Normal" measurement mode, different types of threshold can be configured
for each source. The threshold type for different sources is independent of each
other and does not affect each other.
- In "Precision" measurement mode, only the "percentage (%)" threshold type is
supported.
- Select "Range", and then press 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, press CursorA and CursorB respectively and then rotate the
Operations and Measurements
184
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