Keysight A Series User Manual page 363

Over–the–Air Measurements (OTA) – LTE FDD Option 370, LTE TDD Option 371, 5GTF
Option 377 (CPU2 Only)
How to Set Up Over–the–Air (OTA) Mode Settings
10. Optional: Modify scale and specify color bar limit values—Modify the scale
Keysight N9927-90020 User's Guide
— More opens a menu of softkeys that are the same as those
that are defined when the Display Type = Table.
— Others (optional):
c. Optional (When Display Type = Spectrum): Modify RF attenuator,
Preamp, and other settings:
Press Scale/Amptd
Then press the following:
— Ref Pos Manually set the position of the reference line. Values
must be between 0 (TOP line) and 10 (BOTTOM line).
— Scale Manually enter a scale per division to view specific
areas of the trace.
— Ref Level
negative value by pressing Run/Hold (+/-) either before or
after typing a value.
— More opens a menu of softkeys that are the same as those
that are defined when the Display Type = Table.
— Others (optional):
d. Optional (When Display Type = Strip Chart): Modify RF attenuator,
Preamp, and other settings:
Press Scale/Amptd
Then press the following:
— Scale Manually enter a scale per division to view specific
areas of the trace.
— Ref Level
negative value by pressing Run/Hold (+/-) either before or
after typing a value.
— More opens a menu of softkeys that are the same as those
that are defined when the Display Type = Table.
— Others (optional):
and assign colors to low and high power channels (bars):
Press Scale/Amptd
Then one of the following:
— Red Limit to set the power level and color scale for high power
channels.
— Blue Limit to set the power level and color scale for low power
channels.
Autoscale
Manually set the value of the reference line. Enter a
Autoscale
Manually set the value of the reference line. Enter a
Autoscale
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