R3131 Spectrum Analyzer Operation Manual
3.3 Menu Function Descriptions
3-34
Cont Down ON/OFF
Toggles the count down function on or off.
ON:
Sets the x dB down function to repeat continuously.
Establishes the trace peak point for each sweep which is
used as the reference point of the marker down.
OFF:
Turns off the count down function.
3rd Order Meas
Displays the delta marker on the peak of the fundamental wave
and the normal marker on the peak of the third order
intermodulation distortion.
% AM Meas ON/OFF
Toggles the %AM Meas function on or off.
ON:
Calculates an AM modulation factor using a peak
search, and displays the result as a percentage (%).
OFF:
Turns off the %AM Meas.
Apr 10/98