Keysight M9421A - Ref Position; Auto Scaling

3 WLAN Mode
3.4 SEM Measurement
Ref Position
Positions the reference level at the top, center, or bottom of the Y Scale display.
Changing the reference position does not change "Ref Value" on page 492.
Remote
Command
:DISPlay:SEMask:WINDow[1]:TRACe:Y[:SCALe]:RPOSition TOP | CENTer | BOTTom
:DISPlay:SEMask:WINDow[1]:TRACe:Y[:SCALe]:RPOSition?
Example
:DISP:SEM:WIND:TRAC:Y:RPOS CENT
:DISP:SEM:WIND:TRAC:Y:RPOS?
Preset
TOP
State Saved Saved in instrument state
Range
TOP|CENTer|BOTTom
Annotation The greater than (>) and less than (<) symbols are displayed on both sides of the graph to indicate the
Reference Position
Backwards
Compatibility
SCPI
:DISPlay:SEMask:VIEW[1]:WINDow[1]:TRACe:Y[:SCALe]:RPOSition
Auto Scaling
Toggles Auto Scaling On or Off.
Remote
Command
:DISPlay:SEMask:WINDow[1]:TRACe:Y[:SCALe]:COUPle 0 | 1 | OFF | ON
:DISPlay:SEMask:WINDow[1]:TRACe:Y[:SCALe]:COUPle?
Example
:DISP:SEM:WIND:TRAC:Y:COUP OFF
:DISP:SEM:WIND:TRAC:Y:COUP?
Couplings When Auto Scaling is ON, and the Restart front-panel key is pressed, this function automatically sets
the scale per division to 10dB and determines the reference values based on the measurement results
When you set the value of either Scale/Div, Ref Value, or Scale Range manually, Auto Scaling automat-
ically changes to OFF
Preset 1
State Saved Saved in instrument state
Range
OFF|ON
Backwards
Compatibility
SCPI
:DISPlay:SEMask:VIEW[1]:WINDow[1]:TRACe:Y[:SCALe]:COUPle
WLAN Mode User's &Programmer's Reference 494