Signal Spectrum Measurement In Spectrum Mode - Planar IT-100 Operating Manual

5) Indicate parameter. Selecting the parameter to indicate its value with sound:
level – channel power, MER or C/N – MER or C/N value;
6) View. Graphical data representation type: Histogram – Level and MER values in
form of a graph, Constellation – constellation diagram;
7) Zoom. Constellation diagram zoom mode: x1 or x4;
8) PLP. Selecting PLP stream for DVB-T2 channel;
9) Profile. Selecting stream for DVB-T channel: HP – high priority stream, LP – low
priority stream.
To get access to additional measurement modes, press the «F3 / Mode» key. The
following functions are available in the dropdown menu:
1) MPEG Analyzer. MPEG transport stream analyzing (section 4.6);
2) MPEG Recorder. MPEG transport stream recording to file (section 4.8);
3) Statistics. Channel reception quality monitoring (section 4.3.10);
4) Echo Diagram. DVB-T/T2 channels echo diagram measurement (section
4.3.6);
5) Equalizer. Equalizer parameters measuring for DVB-C and J.83-B/C channel
(section 4.3.7).
Press F4 / Video to enter TV Video and Sound analysis operating mode. Press F5 /
Info to see channel modulation parameters. Press F6 / Reset to clear all the measurement
results and restart measuring.

4.3.4. Signal Spectrum Measurement in Spectrum Mode

The radio signal spectrum is displayed on the screen in this mode. The screen view
and the information displayed are shown in figure 4.8:
The following is displayed on the screen: two markers, frequency shift between
markers dF and difference in measured levels dL. The markers position on the screen is
set up by the «◄» and «►» keys if the «F3» key represents the Marker. The marker color
available for position setting is shown on the «F2» key, by pressing which a different
marker can be chosen. If the «F3» key represents Center, then the screen view can be
moved by the «◄» and «►» keys to the respective side.
To set up the spectrum analyzer modes, press «F1 / Settings». The following
parameters are available for editing in the dropdown menu.
1) Ref.level.
Figure 4.8
Selection of reference level value. Possible values are 50
to 120dBuV and Auto. The setting resolution is 10 dB.
The parameter sets up the maximum possible measured
signal level.
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