Anritsu MS2840A - :CALCulate:LLINe[1]|2|3|4|5|6:ENVelope:CREate; :CALCulate:LLINe[1]|2|3|4|5|6:ENVelope:UPDate:Y

Chapter 2 SCPI Device Message Details
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:CALCulate:LLINe[1]|2|3|4|5|6:ENVelope:CREate
Create Envelope
Function
This command automatically creates a Limit Line from the current Trace
data.
Command
:CALCulate:LLINe[1]|2|3|4|5|6:ENVelope:CREate
Details
This command automatically creates a Limit Line from the current Trace
data according to the following settings: Envelope Points, Envelope
Offset and Envelope Shape.
This command is unavailable when the Mirror Limit is set to On.
Example of Use
To automatically create a Limit Line.
CALC:LIM:ENV:CRE
:CALCulate:LLINe[1]|2|3|4|5|6:ENVelope:UPDate:Y
Update Envelope
Function
This command automatically updates a Limit Line of the Peak Level that
includes a Trace Point evaluated as “Fail”, referring to the current trace
data.
Command
:CALCulate:LLINe[1]|2|3|4|5|6:ENVelope:UPDate:Y
Details
This command does not return any results if the Limit Test is not
evaluated as “Fail”.
This command is unavailable when the Mirror Limit is set to On.
Example of Use
To automatically update a Limit Point of the Peak Level that includes a
Trace Point evaluated as “Fail”.
CALC:LLIN:ENV:UPD:Y