Spectrum Analyzer Mode
R&S
®
Cable Rider ZPH
244
User Manual 1321.0950.02 ─ 07
Cable Rider ZPH demodulates the signal at the marker frequency. The frequency
sweep then stops at the marker frequency for that time before finishing the sweep.
1. Press the [MARKER] key.
2. Select the "Marker Function" key.
3. Select the "AM" or "FM" demodulation scheme you require from the menu.
The R&S Cable Rider ZPH starts to demodulate the signal.
Demodulating signals
If you turn on the demodulator, the R&S Cable Rider ZPH automatically turns off the
noise marker or the frequency counter.
Defining the demodulation time period
1. Press the [MARKER] key.
2. Select the "Marker Function" softkey.
3. Select the "Time" menu item.
The R&S Cable Rider ZPH opens an input field to define the demodulation time.
4. Enter the demodulation time you need.
The range is from 100 ms to 500 s. In time domain, the R&S Cable Rider ZPH
demodulates continuously, i.e. the demodulation time is not relevant.
Controlling the volume
1. Press the [MARKER] key.
2. Select the "Marker Function" softkey.
3. Select the "Volume" menu item.
The R&S Cable Rider ZPH opens an input field to define the demodulation volume.
4. Enter the volume you are comfortable with.
The demodulation volume is a percentage (0 % to 100 %) with 100 % being full
volume.
For more information on general volume control, see
Chapter 4.2.7, "Configuring
the Audio Output"
,
on page 52.
Mute function
► Select the speaker icon to mute or unmute the volume.
The speaker icon is located at the top right-hand corner of the trace window. It
appears only when "Marker Function" is set to "AM" or "FM" demodulation scheme.
Configuring Spectrum Measurements
