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Chapter 1 Optical Spectrum Measurement
Result display
22
The trace represents power (in dBm) as a function of frequency (in THz)
or wavelength (in nm).
NOTE
If several acquisitions are performed, the trace displayed is the one
corresponding to the last acquisition.
The softkey give access to following functions and menus:
Trace
Allows to select a trace or a channel (by means of
the arrow keys). If only one trace is displayed, this
Channel
softkey is available but does not allow to select
Trace.
–
–
Zoom
This softkey is only available if the trace is
displayed.
Shift
–
–
Cursor A
This softkey is only available if the trace is
displayed.
Cursor B
Pressing the softkey selects the cursor: A, B, A+B.
Trace
Pressing the softkey offers a choice from the
following displays:
Table
–
–
–
Table Content
Gives access to table related functions.
Advanced
Gives access to further trace related functions.
MTS / T-BERD 5800 • COSA-4055 • User Manual 2016.01
Trace: pressing any arrow key selects another
trace (at least two traces must be available).
Channel: pressing the
another channel.
Zoom: pressing the arrow keys zooms the axis
according to the selected cursor.
Shift: pressing the arrow keys moves the trace.
Trace: Main display of the trace with a single
line of the table at the foot of the page.
Trace & Table: Display of trace, reduced in size
but followed by 5 to 8 lines of the table of results.
Table: Display of the table alone.
and
keys selects
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