JDS Uniphase CellAdvisor JD780A Series, Руководство пользователя

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JD780A Series Analyzers
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Using Mobile WiMAX Signal Analyzer
Figure 230 Spectrum measurement screen with Mobile WiMAX signal analyzer
Setting trace
You can display up to six traces on the measurement chart simultaneously.
Procedure
1.
Press the TRACE/DISPLAY hard key.
2.
Press the Select Trace soft key, and then select the trace number: T1 , T2 , T3 , T4 , T5 , or T6 .
The legend shape of the selected trace changes from square to round to indicate that the trace is
the active one now.
3.
Do one of the following:
To Select Trace Legend
Clear current data and display with new
measurements Clear Write W
Display the input signal
’s maximum response only
(unlimited or for a certain amount of time)
Max Hold M
Display the input signal
’s minimum response only
(unlimited or for a certain amount of time)
Min Hold m
Capture the selected trace and compare traces Capture C
Load a saved trace More (1/2) > Load L
Hide the selected trace Trace View > Off F
Remove all the traces and initialize the trace
settings More (1/2) > Trace
Clear All
NOTE
For the Max Hold and Min Hold , your instrument compares newly acquired data with the
active trace and displays larger maximum values or smaller minimum values on the
screen. You can set it to
Unlimited to hold and view maximum or minimum data or
specify a certain amount of time up to 60 seconds by using numeric keys or the rotary
knob.