4 Audio Analyzer Measurement Functions
214 Keysight U8903B User’s Guide
Figure 4-38 Bluetooth Analyzer > Functions > DFD 60268 2nd menu page 1
Table 4-15 Analog/Digital/Bluetooth Analyzer > Functions > DFD measurements menu description
Menu Description
Unit
Press the Unit softkey to select the measurement unit.
–dB
– ΔdB
–%
–x
Format
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
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.
Set to 0dB
This is only available for the analog analyzer.
Press the Set to 0dB softkey to store the measured ratio as the reference ratio, and set the measurement reading format to
Delta.
Set result as ref. from Press the Set result 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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