JDS Uniphase CellAdvisor JD780A Series, User Manual

Page: 448 / 592

JD780A Series Analyzers
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Using TD-SCDMA Signal Analyzer
a. Press the EVM RMS soft key.
b. Toggle the Test Limits soft key between On and Off to enable or disable the limit.
c. Press the High Limit soft key, and then enter a value for the upper threshold.
d. Press the Enter soft key.
3.
To set the limit for frequency error, complete the following steps:
a. Press the Frequency Error soft key.
b. Toggle the Test Limits soft key between On and Off to enable or disable the limit.
c. Press the High Limit soft key, and then enter a value for the upper threshold.
d. Press the ppm soft key.
e. Press the Low Limit soft key, and then enter a value for the lower threshold.
f. Press the ppm soft key.
4.
Optional . You can enable alarm sound that goes off if the measurement falls outside of the limit.
Toggle the Beep soft key between On and Off to enable or disable the beep sound.
5.
Optional . Go to SAVE/LOAD > Save , and then select Limit to save the limit settings.
See
“Using save” on page 31 for more information.
Measurement example
Figure 223 Sync-DL ID analyzer measurement with TD-SCDMA OTA signal analyzer
Route map
The JD780A Series provides the Route Map function that allows you to collect data of points in an
indoor or outdoor environment and track the received signals and coverage of RF transmitters by
plotting data real time directly on top of a loaded floor plan or a map.
Setting measure setup
Procedure
1.
If required, connect a GPS receiver to your JD780A series for outdoor mapping.