Chapter 7
Using WCDMA/HSPA+ Signal Analyzer
178
JD700B Series User’s Guide
Conducting spectrum measurements
If you have configured test parameters as described in the “Configuring test parameters” on page 173, your
measurement result is displayed on the screen as like the following example,
Figure 89 Spectrum measurement screen with WCDMA 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 displayed 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