242 Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide
16 Digital Voltmeter
The DVM makes accurate RMS measurements when the signal frequency is
between 20 Hz and 100 kHz. When the signal frequency is outside this range,
"<BW Limit?" or ">BW Limit?" appears in the DVM display to caution you about
inaccurate RMS measurement results.
To use the digital voltmeter:
1 Press the [Analyze] key.
2 Press Features; then, select Digital Voltmeter.
3 Press Features again to enable the DVM measurements.
4 Press the Source softkey and turn the Entry knob to select the analog channel
on which digital voltmeter (DVM) measurements are made.
The selected channel does not have to be on (displaying a waveform) in order
for DVM measurements to be made.
5 Press the Mode softkey and turn the Entry knob to select the digital voltmeter
(DVM) mode:
• AC RMS — displays the root-mean-square value of the acquired data, with
the DC component removed.
• DC — displays the DC value of the acquired data.
• DC RMS — displays the root-mean-square value of the acquired data.
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