Keysight Technologies FieldFox A Series User Manual page 171

SA (Spectrum Analyzer) Mode
SA Mode Settings
For non-zero span measurements, refer to
page
Figure 9-6 GSM Signal, Framed Data Format
The graphic above shows a GSM signal, framed data format, with timeslot 0
and 3 "on". Sweep Time is set to approximately the frame interval. Press Single
several times until the waveform section of interest is viewable and stable.
Then markers can be used to measure the timeslot width and interval as
shown.
How to set Zero Span
— Set
How to change Sweep Time in Zero Span
— Press Sweep 3
— Then
— Enter a value using the numeric keypad. Sweep time is limited to 1000
— Then select a multiplier key. Learn more in
Keysight N9927-90001 User's Guide
169.
Center to the frequency of interest
— then set Span to 0 Hz
— or select Zero/Last
between 0 Hz and the last specified frequency span.
Sweep Time
seconds for N991xA/2xA/3xA models and 6000 seconds for N995xA &
N996xA models.
page 43.
"Sweep Acquisition" on
Span. Each key press toggles the frequency span
"Multiplier Abbreviations" on
171