Agilent Technologies N9913A User Manual page 23

 Then choose from the following:
 Follow each setting by entering a value using the numeric keypad, ▲|▼
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
 Press Scale / Amptd .
 Then choose from the following three methods:
1.
2. Set Scale, Reference Level, and Reference Position:
3. Set Top and Bottom graticule values. The scale per division is calculated.
CAT (Cable and Antenna Test) Mode
and frequencies - beginning and end of the sweep.
Start Stop
o
and frequencies – the center frequency and span of
Center Span
o
frequencies (half on either side of center).
arrows, or the rotary knob.
After using the keypad, select a multiplier key. Learn about multiplier
o
abbreviations on page 19.
After using the ▲|▼ arrows or the rotary knob, press Enter. The amount of
o
frequency increment is based on the current span and can NOT be changed
in CAT Mode.
Autoscale Automatically adjusts the Y-axis to comfortably fit the Min and
Max amplitude of the trace on the screen.
Scale Manually enter a scale per division to view specific areas of the trace.
o
Manually set the value of the reference line. Enter a negative
Ref Level
o
value by pressing Run/Hold (+/-) either before or after typing a value.
Ref Position Manually set the position of the reference line. Values must be
o
between 0 (TOP line) and 10 (BOTTOM line)
to set the value of the Top graticule.
Top
o
to set the value of the Bottom graticule.
Bottom
o
Enter a negative value by pressing Run/Hold (+/-) either before or after
o
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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