4 Audio Analyzer Measurement Functions
224 Keysight U8903B User’s Guide
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).
– Logarithmic
Selecting Logarithmic will return the measurement result by using the following formula:
The result is returned in unit dBr.
– Linear
Selecting Linear will return the measurement result by dividing the measured level by the reference level. The result is
returned in unit x.
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 level.
Ref. Level Press the Ref. Level softkey to set the reference level value. There is only one reference level for each channel.
Volt/FS Press the Volt/FS softkey to set the volts/FS reference value.
Cal SPL Press the Cal SPL softkey to set the calibrator level value. This setting is only available when the unit is set to dBSPL.
Table 4-19 Digital Analyzer > Functions > Negative Peak menu description (continued)
Menu Description
20 10
Measured rms voltage
Reference level
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