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Chapter 4 Using Real-Time Spectrum Analyzer
Conducting interference analysis
b
8
To continuously obtain Persistent RSSI values:
a
b
c
9
Tap Setup > Screen Mode Full/Map to change the display mode.
a
b
Localizing RSSI data
The Localization feature lets you view averaged and smoothed measurement data with
a bold green line on the radar chart that helps you determine the direction of the highest
RSSI value. When you have five or more data points plotted on the radar chart, you can
perform this localization.
To localize RSSI data
1
Tap the Setup (
2
Tap Localization. All the measured points turn to green color and you can view
the bold green line that indicates the possible direction of the interference source.
Page 78
Each time you press the physical button on the handle, a beep sounds and a
power level of the received signal is plotted as a blue dot on the radar chart.
Depending on the strength of the measured value, you may hear different
tones of beeping.
While panning the antenna horizontally to vary the angle of the direction,
repeat pressing the TRIGGER button to obtain at least five points if you want
to do the localization.
Press and hold the TRIGGER button located on the antenna handle to start a
continuous measurement.
Pan the antenna handle horizontally through the angle of 360 degrees you
desire. A beep is sounded repeatedly to let you know that the measurement
is continuing and measured values are plotted on the radar chart.
Release the TRIGGER button to stop the continuous measurement.
NOTE
The maximum number you can plot on the radar chart is 2500 points both in
the single and continuous measurements. If your measurement reaches 500
points, you need to reset the measurement by pressing the Localization soft
key twice or performing the initialization of the AntennaAdvisor Handle. Con-
centric circles indicate different levels of RSSI. You can use the AMP/SCALE
hard to adjust the amplitude scale of the chart.
Map: Displays measured points inside the base map image. If you are in the
area outside the base map and continue your measurement with the Trigger
button, the instrument continues obtaining data even though the radar chart
disappears from the screen. You can view obtained data when you change
this display option to Full.
Full: Displays measured points without the base map image. In case that you
made measurements in the area outside the map image, selecting this option
moves your measured data to the center of the display so that you can view
the result.
) icon on the side bar.
SPA06MA-O User's Guide
22145360, R005
April 2021
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