Agilent Technologies 4000 X-Series User Manual page 284

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
5 Press the Mode softkey and turn the Entry knob to select the digital
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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.
voltmeter (DVM) mode:
• AC RMS — displays the root- mean- square value of the acquired data,
with the DC component removed.
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide