Chapter 3 Measurement
3-16
3.7 Using Markers
The trace data can be read using markers.
3.7.1 Marker types
There are following markers in the MS9740B.
Wavelength marker
Used to read waveform, wavelength and wavelength difference
The following data can be read.
●
Wavelength at waveform peaks and dips
●
Difference in wavelength between peaks for waveforms with several
peaks
●
Spectrum width
Level marker
Used to read waveform, level and level difference
The following data can be read.
●
Level at waveform peaks and dips
●
Difference in level between peaks for waveforms with several peaks
●
Difference in level of two waveforms
Trace marker
Used to read wavelength and level of any point
The following data can be read.
●
Wavelength and level at waveform peaks and dips
Delta marker
Used to read difference in wavelength and level from trace marker
position.
The following data can be read.
●
Difference in wavelength and level between peaks for waveforms with
several peaks
Zone marker
The zone marker can be used for the following purposes.
●
Limit wavelength range for analysis such as peak point search
The zone marker analyze and process the part surrounded with the red
frame (refer to Figure 3.7.1-5).
●
Zooming in waveform wavelength direction
The zone marker enlarge the display of the range surrounded with the
red frame (refer to Figure 3.7.1-6).
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