Chapter 7 Digital Voltmeter (DVM) and Frequency Counter RIGOL
MSO7000/DS7000 User Guide 7-3
Note: Even if the analog channel (CH1-CH4) is not enabled, you can still perform the
DVM measurement.
To Select Measurement Mode
Press Mode in the "DVM" setting menu, then rotate the multifunction knob to
select the desired mode, and then press down the knob to select the mode. You can
also press Mode continuously to select the mode or enable the touch screen to tap
the desired mode and select it. The DVM measurement modes include AC RMS, DC,
and AC+DC RMS.
⚫ AC RMS: displays the root-mean-square value of the acquired data, with the DC
component removed.
⚫ DC: displays the average value of the acquired data.
⚫ AC+DC RMS: displays the root-mean-square value of the acquired data.
To Set the Limits
Press Limits to enter the sub-menu of Limits. Then set the following parameters.
⚫ Beeper
Press Beeper continuously to enable or disable the beeper.
⚫ Limits Condition Setting
Press When, then rotate the multifunction knob to select the desired limit
setting condition. Press down the knob to select it. You can also press When
continuously or enable the touch screen to select it. The limits conditions include
"In Limits" and "Out Limits".
➢ In Limits: when the voltage value is within the limits, you can enable or
disable the beeper to sound an alarm.
➢ Out Limits: when the voltage value is outside of the limits, you can enable
or disable the beeper to sound an alarm.
⚫ Upper/Lower Limit Setting
Press Upper, then rotate the multifunction knob or use the pop-up numeric
keypad to set the upper limit of the voltage.
Press Lower, then rotate the multifunction knob or use the pop-up numeric
keypad to set the lower limit of the voltage.
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