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Programming
Making Measurements
ARRay and the SCPI standard
According to the SCPI command reference, the ARRay command causes an instru-
ment to take multiple measurements. (A <size> parameter indicates the number
of measurements to take.) However, the Agilent 86120C's ARRay command refers
to the measurements performed for one measurement sweep; this results in an
array of measured signals. Because the <size> parameter does not apply, any
<size> parameter sent will be ignored by the instrument. No syntax error will be
generated if a <size> parameter is sent.
Always force the Agilent 86120C to wait for non- sequential com-
mands
The Agilent 86120C normally processes its remote programming com-
mands sequentially. The instrument waits until the actions specified by
a particular command are completely finished before reading and exe-
cuting the next command. However, there are a few non- sequential
commands where this is not true. Non- sequential commands do not
finish executing before the next command is interpreted.
The following is a list of the Agilent 86120C's non- sequential com-
mands:
:CALCulate1:TRANsform:FREQuency:POINTs
:CALCulate2:PEXCursion
:CALCulate2:PTHReshold
:CALCulate2:WLIMit:STARt:FREQuency
:CALCulate2:WLIMit:STARt:WAVelength
:CALCulate2:WLIMit:STARt:WNUMber
:CALCulate2:WLIMit:STOP:FREQuency
:CALCulate2:WLIMit:STOP:WAVelength
:CALCulate2:WLIMit:STOP:WNUMber
:CALCulate3:SNR:AUTO
:SENSe:CORRection:ELEVation
:INITiate:CONTinuous
:INITiate[:IMMediate]
The following additional commands are also non- sequential commands
if CALCulate3:SNR:AUTO is set to OFF:
:CALCulate3:REFerence:FREQuency
:CALCulate3:REFerence:WAVelength
:CALCulate3:REFerence:WNUMber
3-12
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