User manual

Chapter 2 Command System RIGOL
DSA700 Programming Guide 2-47
:DISPlay:WINdow:TRACe:Y[:SCALe]:RLEVel:OFFSet
Syntax
:DISPlay:WINdow:TRACe:Y[:SCALe]:RLEVel:OFFSet <rel_ampl>
:DISPlay:WINdow:TRACe:Y[:SCALe]:RLEVel:OFFSet?
Description
Set the offset of the reference level.
Query the offset of the reference level.
Parameter
Name
Type
Range
Default
<rel_ampl>
Consecutive Real Number -300 dB to 300 dB 0 dB
Explanation
The offset of the reference level modifies the reference level and amplitude readout of the marker; but does
not change the position of the curve.
Return Format
The query returns the offset of the reference level in scientific notation.
Example
The command below sets the offset of the reference level to 10 dB.
:DISPlay:WINdow:TRACe:Y:SCALe:RLEVel:OFFSet 10
The query below returns 1.000000E+01.
:DISPlay:WINdow:TRACe:Y:SCALe:RLEVel:OFFSet?
:DISPlay:WINdow:TRACe:Y[:SCALe]:SPACing
Syntax
:DISPlay:WINdow:TRACe:Y[:SCALe]:SPACing LINear|LOGarithmic
:DISPlay:WINdow:TRACe:Y[:SCALe]:SPACing?
Description
Set the scale type of Y-axis.
Query the scale type of Y-axis.
Parameter
Name
Type
Range
Default
-- Keyword LINear|LOGarithmic LOGarithmic
Explanation
LINear: linear
LOGarithmic: log
Return Format
The query returns LIN or LOG.
Example
The command below sets the scale type of Y-axis to log.
:DISPlay:WINdow:TRACe:Y:SCALe:SPACing LOGarithmic
The query below returns LOG.
:DISPlay:WINdow:TRACe:Y:SCALe:SPACing?