Initialize the analyzer
This step initializes the analyzer to a known state, selects the instrument mode
and the number of channels, and measurement data.
Preset
Most measurements begin by presetting the analyzer to a known state. this
known state provides a convenient starting point when you are setting up a
measurement.
Instrument mode / number of channels
When you specify an instrument mode you are asking the analyzer to acquire
input data and process it in a certain way. When equipped with a full
complement of options, the Agilent 35670A functions as a spectrum analyzer,
network analyzer, acoustic sound level meter, acoustic intensity analyzer,
vibration analyzer, audio-frequency oscilloscope and amplitude-domain
analyzer.
To use each of these different “instruments,” you can press the [
Inst Mode
]
hardkey. Then press the appropriate softkey to select an appropriate instrument
mode. The standard Agilent 35670A is equipped with the following
instrument modes:
• FFT Analysis
• Correlation Analysis
• Histogram/Time
Additionally, your Agilent 35670A may be equipped with the following
optional instrument modes.
• Octave Analysis
• Order Analysis
• Swept Sine
Some measurement features are unavailable with certain instrument modes.
(An inactive softkey appears “ghosted.”) Softkey menus change depending on
the instrument mode you have selected. The preset instrument mode is FFT
analysis.
Agilent 35670A
Setting Up a Measurement Operator's Guide
Part I-2
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