ST2883 Series Operation Manual Chapter 8 SCPI Command reference
8-10
Return format:
Off
<NL^END>
On
The :COROna:RANGe command sets the comparison range of the Corona comparator. The :COROna:RANGe?
query returns the current comparison range of the Corona comparator.
Command syntax: COMParator:COROna:RANGe <start pot>
，
<end pot>
Where,
<start pot> start point of comparison range. NR1 format, range from 0 to 6000, without unit.
<end pot> end point of comparison range. NR1 format, range from 0 to 6000, without unit.
For example: WrtCmd( “COMP:CORO:RANG 100,200 ); set the comparison range from 100 to 200.
NOTE: The end point value should be larger than that of the start point; otherwise an error message will
be displayed on the LCD screen.
Query syntax: COMP:CORO:RANG
？
Return format: <start pot>
，
<end pot><NL^END>
start pot
，
end pot are NR1 format.
The :COROna:DIFFerence command sets the difference limit value of the Corona comparator.
The :COROna:DIFFerence? query returns the current difference limit value of the Corona comparator.
Command syntax: COMParator:COROna:DIFFerence <value>
Where,
<value> is NR1 format, range from 0 to 256 without unit.
For example: WrtCmd( “COMP:CORO:DIFF 20” ); set the difference value to 20.
Query syntax: COMParator:COROna:DIFFerence
？
Return format: <NR1><NL^END>
The :PHASediff[:STATe] command sets the Phasediff comparator to ON or OFF. The :PHASediff[:STATe]? query
returns the current Phasediff comparator state.
Command syntax:
ON
COMParator:PHASediff[:STATe] OFF
1
0
Where,
1 (decimal 49)
When the function is ON
0 (decimal 48) When the function is OFF
For example: WrtCmd( “COMP:PHAS ON” ); turn on the Phasediff comparator.
Query syntax: COMParator:PHASediff[:STATe]
？
Return format:
Off
<NL^END>
On
The :PHASediff:POSItion command sets which zero-crossing point is used in the Phasediff comparator.
The :PHASediff:POSItion? query returns the zero-crossing position value of the Phasediff comparator.
Command syntax: COMParator:PHASediff:POSItion <value>
