Anritsu MS2840A - :READ:CHPower[n]?; :READ:CHPower:CHPower?; :READ:CHPower:DENSity?; :MEASure:CHPower[n]?

Chapter 2 SCPI Device Message Details
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:READ:CHPower[n]?
Channel Power Read
Function
This command performs the measurement for Channel Power and
outputs the measurement result.
It achieves the same result as when commands are sent in the order of
:INITiate:CHPower
:FETCh:CHPower[n]?
:READ:CHPower:CHPower?
Channel Power Read
Function
This command performs the measurement for Channel Power and
outputs the total In Band power.
It achieves the same result as when commands are sent in the order of
:INITiate:CHPower
:FETCh:CHPower:CHPower?
:READ:CHPower:DENSity?
Channel Power Read
Function
This command performs the measurement for Channel Power and
outputs the total In Band power density.
It achieves the same result as when commands are sent in the order of
:INITiate:CHPower
:FETCh:CHPower:DENSity?
:MEASure:CHPower[n]?
Channel Power Measure
Function
This command performs the measurement for Channel Power and
outputs the measurement result.
It achieves the same result as when commands are sent in the order of
:CONFigure:CHPower
:INITiate:CHPower
:FETCh:CHPower[n]?