Step 4. Access The Spectrum Analyzer Mode - HP 8591C User Manual

Channel Measurements
Making Channel Measurements

Step 4. Access the spectrum analyzer mode

Press the desired spectrum analyzer front panel hardkey function
or
Press ( PRESET).
To use the spectrum analyzer operating mode while in the cable TV
analyzer operating mode, select a front-panel hard key (for examole
needed. Then, press @EEF) [DIODE) to return to the cable TV analyzer
operating mode.
When the analyzer is in the spectrum analyzer operating mode, CHNL is no
longer displayed in the upper right corner of the analyzer display.
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