3 VMA Mode
3.6 Occupied BW Measurement
3.6.3 Amplitude
Activates the Amplitude menu and selects Reference Level or Reference Value as
the active function, depending on the 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.
3.6.3.1 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:OBWidth:WINDow[1]:TRACe:Y[:SCALe]:RLEVel <real>
:DISPlay:OBWidth:WINDow[1]:TRACe:Y[:SCALe]:RLEVel?
Example
:DISP:OBW:WIND:TRAC:Y:RLEV 125
:DISP:OBW:WIND:TRAC:Y:RLEV?
Couplings When "Auto Scaling" on page 945 is ON (default), this value is automatically determined by the
measurement result. When you set a value manually, Auto Scaling changes to OFF
"Attenuation" on page 1763 is not coupled to Ref Value
Preset 10.00 dBm
State Saved Saved in instrument state
Min/Max -250.00 dBm / 250.00 dBm
Annotation Ref <value> top left of graph
Backwards
Compatibility
SCPI
:DISPlay:OBWidth:VIEW[1]:WINDow[1]:TRACe:Y[:SCALe]:RLEVel
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.
Vector Modulation Analyzer Mode User's &Programmer's Reference 942
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