161Keysight N9923A Handheld AnalyzerUser’s Guide11 VVM (Vector Voltmeter) Mode - Option 308VVM Mode (Option 308) measures the electrical length of cables and otherdevices. The 1-Port Cable Trimming and 2-Port Transmission measurementdisplays the electrical length in both Magnitude and Phase.Figure 11-1 Display for the 1-Port Cable Trimming measurementIn this Chapter“Overview” on page 163“Measurement Selection” on page 164“Frequency Selection” on page 164“Display Resolution” on page 164“IF Bandwidth” on page 165“Output Power” on page 165“Averaging” on page 166“Single or Continuous Measure” on page 166“VVM Calibration” on page 167“Zeroing” on page 167