Table 4-15 Analog/Digital/Bluetooth Analyzer > Functions > Dfd Measurements Menu - Keysight U8903B User Manual

4 Audio Analyzer Measurement Functions
Figure 4-38
Table 4-15 Analog/Digital/Bluetooth Analyzer > Functions > DFD measurements menu description
Menu Description
Press the Unit softkey to select the measurement unit.
– dB
Unit – ΔdB
– %
– x
Press the Format softkey to select the format of the returned measurement reading.
– Off
Selecting Off will return the measurement reading without any formatting (raw value).
– Delta
Format
Selecting Delta will return the measurement result by deducting the reference ratio from the measured ratio. The result
will be returned in unit ΔdB.
– Linear
Selecting Linear will return the measurement result by dividing the measured ratio by the reference ratio. The result is
returned in unit x.
This is only available for the analog analyzer.
Set to 0dB
Press the Set to 0dB softkey to store the measured ratio as the reference ratio, and set the measurement reading format to
Delta.
Set resul t as ref. from Press the Set resul t as ref. from softkey to store the measurement result from the selected channel as the reference ratio.
Ref. Ratio Press the Ref. Ratio softkey to set the reference ratio.
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Bluetooth Analyzer > Functions > DFD 60268 2nd menu page 1
Keysight U8903B User's Guide