Keysight U8903B User Manual page 186

4 Audio Analyzer Measurement Functions
Table 4-6 Analog/Digital/Bluetooth Analyzer > Functions > Frequency menu description (continued)
Menu Description
Press the Set resul t as ref. from softkey to store the measurement result from the selected channel as the reference
Set resul t as ref. from
frequency.
Ref. Freq Press the Ref. Freq softkey to set the reference frequency.
186 Keysight U8903B User's Guide