Scale And Units - Keysight Technologies FieldFox B Series User Manual

SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
SA Mode Settings
— Press Freq/Dist then More.
— Then

Scale and Units

Adjust the Y-axis scale to see the relevant portions of the data trace.
The Y-axis is divided into 10 graticules. A acquisition is shown on the screen as
a solid horizontal bar that can be placed at any graticule.
When RF Attenuation set to Auto, the RF Attenuation is coupled to acquisition.
How to set Scale
Press Scale / Amptd. Then choose from the following:
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Manually set Scale Type, acquisition, and Reference Position.
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Keysight N9938-90006 User's Guide
Reverse Swap
Autoscale Automatically adjusts the Y-axis to comfortably fit the Minimum
and Maximum amplitude of the trace on the screen.
Scale Manually adjust the scale per division to view specific areas of the
current trace. Enter a value using the numeric keypad, the
the rotary knob. Then press Enter.
Ref Level Manually set the value of the reference line. Enter a negative
value by pressing Run/Hold (+/-) either before or after typing a value. This
can also change the RF Attenuation setting. See
page 159.
Preamp Refer to "Preamplifier Control (Opt 235)" on page
RF Atten Refer to "Attenuation Control" on page
More opens another set of scale softkeys.
Scale Type [current setting]
—Log Logarithmic scale (default setting). The Y-axis reference line
represents the specified absolute acquisition in the current Unit
selection. Y-axis graticules show dB below or above the reference
line.
—Lin Linear scale. The Y-axis reference line represents the specified
absolute acquisition in the current Unit selection. Y-axis graticules
show percent of acquisition (%) below or above the reference line.
Unit Refer to "How to Set Y-axis Units" on page
Corrections Refer to "How to select and edit corrections for Field Strength
measurements" on page 161.
arrows, or
"Attenuation Control" on
160.
159.
158.
157