Interference Analyzer (SA Mode) - Option 236 107
o Bottom Displays the data trace below the spectrogram. Total trace records:
130.
How to Restart the Spectrogram
Press Sweep 3 then Restart
Averaging
Averaging can be enabled on the underlying measurement. Press Meas 4 then
Average Type. Learn more on page 89.
Common Settings for Waterfall and Spectrogram
Set Red and Blue Limits
The colors displayed on the Waterfall and Spectrogram represent the various
measured power levels:
Red = Highest power levels
Blue = Lowest power levels
NOTE: The full Red-to-Blue color spectrum is visible only with Indoor display colors.
Learn more on page 161.
Adjust the Red and Blue limits to the power levels that you expect to measure.
The Blue limit must always be less than the Red limit.
Press Meas Setup 4.
Then Spectrogram / Waterfall Settings
Then choose from the following:
o Red Limit Using the ▲|▼ arrows , rotary knob, or keypad, select the
HIGHEST power level that you expect to measure. This power level, and
those measured higher than this level, appear Red.
o Blue Limit Using the ▲|▼ arrows , rotary knob, or keypad, select the
LOWEST power levels that you expect to measure. This power level, and
those measured lower than this level, appear Blue.
Time Markers
Use Time Markers to determine the elapsed time between any two displayed
records.
NOTE: Spectrogram displays the most recent record at the top of the screen. Waterfall
displays the most recent record at the bottom.
To create Time Markers:
Press Meas Setup 4
Then Time Markers
Then Time
Then enter a value from 0 (the most recent sweep record) to the maximum
value, using the numeric keypad, ▲|▼ arrows, or the rotary knob. A
indicates the Time Marker.
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