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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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Summary of Contents for U8903B
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