Spectrogram - ADInstruments AD8000 Series Instruction Manual

AD8000 Series Spectrum Analyzer Instruction
Manual

Spectrogram

4.1
The spectrogram is a method of recording spectrum displaying in 3D: the
x-axis indicates frequency while y-axis indicates time, and signal amplitude
is represented by different colors. Users could analysis the time stability or
find out intermittent interference signal with the spectrogram.
Press the spectrogram soft key, and the system will pop up menu shown as
figure 4-2
Press the soft key Record to can set period, Time Span, Data type, location
and etc. The spectrogram file name would be the starting time of recording
as 'Y-M-D-H-M-S' automatically.
Other settings such as frequency and amplitude are the same as before.
Display is used to switch the two modes of spectrogram, spectrum diagram
and full screen display spectrogram.
Peak Level and Nadir Level are used to set the maximum and minimum
level of signal amplitude of current spectrogram. They could be set
automatically or manually.
Press Restart to record the spectrogram again.
Press Replay to check the saved spectrogram files.
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Fig. 4-2 Spectrogram