824
QPSK EVM Measurement
SPAN X Scale
SPAN X Scale
Accesses a menu of functions that enable you set the horizontal scale parameters.
This menu is blank if the selected window is:
• I/Q Measured Polar Graph or,
• RMS EVM (Numeric Results).
For details of available views in this measurement, see “View/Display” on page 836. Within a view, you
can change the selected window by pressing the Next Window key.
X Ref Value
Controls the reference value of the X scale of the current measurement
Ref Value (X Scale, Magnitude Error Window)
Sets the chip reference value on the horizontal axis in the magnitude error window.
Key Path Front-panel key
Instrument S/W Revision Prior to A.02.00
Key Path SPAN X Scale
Instrument S/W Revision Prior to A.02.00
Remote Command :DISPlay:EVMQpsk:VIEW2:WINDow[1]:TRACe:X[:SCALe]:RLEVel
<real>
:DISPlay:EVMQpsk:VIEW2:WINDow[1]:TRACe:X[:SCALe]:RLEVel
?
Example DISP:EVMQ:VIEW2:WIND:TRAC:X:RLEV 1001
DISP:EVMQ:VIEW2:WIND:TRAC:X:RLEV?
Key Path SPAN X Scale
Mode WCDMA, C2K, 1xEVDO
Notes This key is for control of the reference value of the X scale of the focused
window of the selected view.
Couplings When this parameter has been set, XScaleAutoMag turns off.
Preset 0
State Saved Saved in instrument state.
Min –5000000
Max 5000000