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- Click or tap the Current drop-down button to select the channel (CH1-CH4)
for acquiring current.
- Click or tap the Freq. Ref drop-down button to select the "Voltage" channel
or "Current" channel as the reference.
• Set the Reference Level
In "Ref Levels", set the following items.
- Click or tap the Type drop-down button to set the reference level display
type to "Percent(%)" or "Absolute".
- Click or tap the Upper drop-down button to set the upper limit value with
the pop-up numeric keypad. You can also use the corresponding
multipurpose knob to set the value. The upper limit value should be greater
than the middle value.
- Click or tap the Mid drop-down button to set the middle value with the
pop-up numeric keypad. You can also use the corresponding multipurpose
knob to set the value. The middle value should be less than the upper limit
value and greater than the lower limit value.
- Click or tap the Lower drop-down button to set the lower limit value with
the pop-up numeric keypad. You can also use the corresponding
multipurpose knob to set the value. The lower limit value should be less
than the middle value.
- Click or tap Default, and then the upper limit, middle value, and lower limit
will be restored to the defaults.
• Set Count
Click or tap the Cnt input field to set the number of statistical times for power
quality analysis with the numeric keypad. You can also use the corresponding
multipurpose knob to set the value. Its range is from 2 to 5000. Its default value
is 1000.
• Reset
Click or tap Reset Stat. to clear the current data and execute statistics on the
measurement results again.
•
Open or Close the Results Display Window
Click or tap the
Display on/off switch to enable or disable the display of the
results. When enabled, the statistical results will be displayed on the screen, as
shown in the figure below. You can also click or tap the icon
at the right-
upper corner of the statistical results window to close it.
TIP
If you select "ON", the multiplication operation will be automatically enabled in the Math
operation.
Power Analysis (Optional)
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
DHO4000 User Guide
181
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