Spectrum Analyzer Measurement Guide : AM/FM/PM Analyzer (Option 509) : Audio Spectrum PM Menu
 
Audio Spectrum PM Menu
Key Sequence: Measure or (Shift + 4) > Audio Spectrum > Audio Spectrum
Audio Spectrum PM Menu
 
Span
Press to set the span for the PM audio spectrum display. Use the numeric keypad, the rotary knob, or the arrow keys to set the value. Valid values are 2 kHz, 5 kHz, 10 kHz, 20 kHz, 70 kHz, and 140 kHz.
Scale milli‑Rad
Press to set the vertical scale in milliradians. Use the numeric keypad, the rotary knob, or the arrow keys to enter a value.
Squelch Power
Press to set the squelch power level.
Back
Press to return to the Measurements menu.