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Chapter 7 Digital Voltmeter (DVM) and Frequency Counter
RIGOL
Digital Voltmeter (DVM)
The built-in DVM of this oscilloscope provides 3-digit voltage measurements on any
analog channel. DVM measurements are asynchronous from the oscilloscope's
acquisition system and are always acquiring.
Press Measure Analyze DVM to open the DVM setting menu, or enable the
touch screen and then tap the function navigation icon
at the lower-left corner
of the screen to open the function navigation. Then, tap the "DVM" icon to open the
DVM setting menu. You can also press Measure Add, then in the displayed
measurement category area, rotate the multifunction knob
to select "Analyze",
and then select "DVM" to open the DVM setting menu.
To Enable or Disable DVM Measurement
In the "DVM" setting menu, press DVM continuously to enable or disable DVM
measurement. When enabled, the following figure is displayed. The DVM display also
has a scale that is determined by the channel's vertical scale and vertical offset. The
scale range is the range of the screen. The scale's yellow triangle pointer shows the
most recent measurement result. The specific value above the pointer shows the
measurement extrema over the last 3 seconds.
Source
Mode
Voltage Value
Scale Pointer
Note:
DVM measurement and the oscilloscope share the same probe, so the unit for
the DVM measurement is consistent with that of the channel.
To Select the Measurement Source
Press Source in the "DVM" setting menu, then rotate the multifunction knob
to
select the desired source. Press down the knob to select it. You can also press
Source continuously or enable the touch screen to select it. The analog channel
(CH1-CH4) can be selected to be the measurement source.
7-2
MSO7000/DS7000 User Guide
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