3 Spectrum Analyzer Mode
3.2 Swept SA Measurement
State Saved Saved in instrument state
Min/Max –/+327.6 dB
Norm Ref Position
Sets the graticule line that represents the Norm Ref Lvl. 10 is the top line and 0 is
the bottom line. The normalized reference position is indicated with a white right
arrow on the left side of the display and a white left arrow on the right side of the
display, just inside the graticule.
This function may be used to offset the displayed trace without affecting the
instrument gain or attenuation settings. This allows the displayed trace to be moved
off the top of the screen so that it may be completely seen, but without decreasing
measurement accuracy.
Remote Command
:DISPlay:WINDow[1]:TRACe:Y[:SCALe]:NRPosition <integer>
:DISPlay:WINDow[1]:TRACe:Y[:SCALe]:NRPosition?
Example
:DISP:WIND:TRAC:Y:NRP 5
:DISP:WIND:TRAC:Y:NRP?
Notes The top and bottom graticule lines correspond to 10 and 0, respectively
Preset 10
State Saved Saved in instrument state
Min 0
Max 10
Open/Short Cal
Performs a guided Open/Short Calibration, providing step-by-step instructions. This
is the most accurate way to make the return loss measurement on the X-series
instruments. You are directed through a 1-Port coaxial open calibration, and a 1-
Port coaxial short calibration. The result can then be saved to Trace 3. It is used to
perform calibrated scalar reflection measurements (return loss), using Normalize.
See "Open/Short Guided Cal" on page 544
Notes Does not auto return
Open/Short Guided Cal
On pressing the Open/Short Cal control in the Normalize menu, the Open
Calibration Form is displayed. The form shows a diagrammatic representation of
how to connect the external source to the spectrum instrument to perform the
544 Spectrum Analyzer Mode User's &Programmer's Reference
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