Keysight Technologies FieldFox N9912A104 User Manual page 117

SA (Spectrum Analyzer) Mode
SA Mode Settings
When RF Attenuation set to Auto, the RF Attenuation is coupled to Reference
Level.
How to set Scale
Press Scale / Amptd. Then choose from the following:
— Scale Type [current setting]
Manually set Scale, Reference Level, and Reference Position.
— Scale
current trace. Enter a value using the numeric keypad, the
the rotary knob. Then press Enter.
— Ref Level
value by pressing Run/Hold (+/-) either before or after typing a value. This
can also change the RF Attenuation setting. See
page
— Ref Position
between 0 (TOP line) and 10 (BOTTOM line). Default position is zero (top).
— Press More, then
fit the Min and Max amplitude of the trace on the screen.
How to Set Y-axis Units
The Unit setting appears for the reference line, marker readouts, and trigger
level. All Unit choices are available in both Log and Linear Scale Types.
The UNIT setting survives Mode Preset, but NOT Preset.
— Press Scale / Amptd, then More, then Unit.
— Then choose from the following:
Antenna correction units are available ONLY by loading or editing an Antenna
file that contains the desired units setting. Learn more in
Antenna/Cable Editor" on page
Keysight N9912-90001 User's Guide
— Log Logarithmic scale (default setting). The Y-axis reference line
represents the specified absolute Reference Level 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 Reference Level in the current Unit selection. Y-axis
graticules show percent of Reference Level (%) below or above the
reference line.
Manually adjust the scale per division to view specific areas of the
Manually set the value of the reference line. Enter a negative
8-10.
Manually set the position of the reference line. Values must be
Autoscale
— dBm (default setting), dBmV (dB milli Volts), dBuV (dB microVolts),
W (watts), V (volts), A (amps), dBmA (dB milliAmps), dBuA (dB
microAmps).
"Attenuation Control" on
Automatically adjusts the Y-axis to comfortably
8-13.
arrows, or
"Using the
8- 9