3 Spectrum Analyzer Mode
3.11 Harmonics Measurement
Some features in this menu apply to multiple measurements. Some other features
apply only to specific measurements and their controls are blanked or grayed-out in
measurements that do not support the feature.
3.11.3.1 Y Scale
Contains controls that pertain to the Y axis parameters of the measurement. These
parameters control how data on the vertical (Y) axis is displayed and control
instrument settings that affect the vertical axis.
Ref Value
Sets the value for the absolute power reference. The reference line is at the top,
center, or bottom of the graticule, depending on the value of the Ref Position
function.
Remote
Command
:DISPlay:HARMonics:VIEW:WINDow:TRAC
e:Y[:SCALe]:RLEVel
<amplitude>
:DISPlay:HARMonics:VIEW:WINDow:TRACe:Y[:SCALe]:RLEVel?
Example
:DISP:HARM:VIEW:WIND:TRAC:Y:RLEV -10 dBm
:DISP:HARM:VIEW:WIND:TRAC:Y:RLEV?
Preset 0.00 dBm
State Saved Saved in instrument state
Min/Max -250.00 dBm / 250.00 dBm
Annotation Ref <value> top left of graph
Scale/Div
For measurements that support a logarithmic Y-Axis, Scale/Div sets the height of
one division of the graticule in the current "Y Axis Unit" on page 1853.
Scale/Div also determines the displayed amplitude range in the log plot graph.
Since there are usually 10 vertical graticule divisions on the display, the total
amplitude range of the graph is typically 10x this amount. For example, if Scale/Div
is 10dB, then the total range of the graph is 100dB.
This function is only available when a logarithmic Y Axis Unit is selected and the
vertical scale is power. When a linear Y Axis Unit is selected, Scale/Div is grayed out.
For this measurement, the displayed Scale/Div is identical for all harmonics
displayed.
Remote
Command
:DISPlay:HARMonics:VIEW:WINDow:TRACe:Y[:SCALe]:PDIVision <relative amplitude>
:DISPlay:HARMonics:VIEW:WINDow:TRACe:Y[:SCALe]:PDIVision?
1852 Spectrum Analyzer Mode User's &Programmer's Reference
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