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c) Reduce the resolution bandwidth until you can see the distortion product:
Press [BW] and reduce the resolution bandwidth with the step key [↓].
d) Adjust both signal generators until the amplitudes of input signals are the same.
Press [Maker], [Delta], [Peak] and [Next Peak]. Adjust the signal generator corresponding to the marker until the
amplitude difference is zero. If required, reduce the video bandwidth.
Fig. 4-6 Signals at Center of Display of Spectrum Analyzer
e) Set the reference level and make the signal peak at the reference level:
Press [Peak] and [Peak Search], and read the peak power.
Press [Amplitude], [Reference Level].
In order to achieve the best measurement accuracy, the signal peak of the signal generators should be set at the
reference level, as shown in Fig. 4-7.
