All About Scale Settings; How To Use Scale Settings; How To Set Scale - Keysight A Series User Manual

All about Scale Settings

IMPORTANT! Some of the scale settings do not apply to all of the modes.

How to Use Scale Settings

Adjust the Y-axis scale to see the relevant portions of the data trace. The Y-axis is divided into 10
graticules.
This setting can be changed at any time without affecting calibration accuracy.

How to set Scale

1. Press Scale / Amptd.
2. Then choose from the following three methods:
— Autoscale Automatically adjusts the Y-axis to comfortably fit the Minimum and
Maximum amplitude of the trace on the screen.
— Set Scale, acquisition, and Reference Position:
— Scale
— Ref Level
by pressing Run/Hold (+/-) either before or after typing a value.
— Ref Pos
between 0 (TOP line) and 10 (BOTTOM line).
— Range
— Set Top and Bottom graticule values. The scale per division is calculated.
— Top
— Bottom
— Enter a negative value by pressing Run/Hold (+/-) either before or after typing
a value.
Scale annotation on the FieldFox screen
Reference Line = red arrow
Ref Level = –40 dB
Ref Position = 1
Scale = 2 dB per division
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Data Analysis Features
All about Scale Settings
Manually enter a scale per division to view specific areas of the trace.
Manually set the value of the reference line. Enter a negative value
Manually set the position of the reference line. Values must be
Manually set the absolute power (dBm).
to set the value of the Top graticule.
to set the value of the Bottom graticule.
Keysight N9927-90020 User's Guide