Chapter 3 3-5
Making GSM Base Station Measurements
Making the Output RF Spectrum (ORFS) Measurement
Making the Measurement
1. Press the Measure key.
2. Press the
Output RF Spectrum key.
Factory default parameter settings provide a GSM compliant
measurement. For special requirements, you may need to change
default settings:
• Mode setup and frequency/channel parameters. Use the
Mode Setup
and
Frequency Channel keys to change these parameters for all
measurements made within the current mode. For further
information refer to Chapter 1 of this document.
• Measurement setup parameters. These are measurement specific
parameters changed using the Measurement setup (
Meas Setup)
menu. Parameters can be returned to default settings at any time by
pressing
Meas Setup, More (1 of 2) and Restore Meas Defaults. For
further information on measurement setup parameters, refer to
Chapter 5 of the User’s Guide for the ESA Series Spectrum
Analyzers GSM Measurement Personality.
The following keys provide useful measurement functionality:
• Changing between multiple, single and swept modes:
Press
Meas Setup followed by Meas Method.
• Changing between modulation and switching:
Press
Meas Setup followed by Meas Type
• To change the table display:
The table display can be changed to display results, the GSM
specification limits, or the margins. Press the
Display front panel key
followed by the
Table Display menu key to toggle between these
settings.
NOTE Parameters that exist under the Meas Setup Advanced key seldom need
to be changed. Any changes from the default values may result in
invalid measurement data.
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