2 MEASurement Commands
138 N1911A/1912A P-Series Power Meters Programming Guide
READ[1]|2|3|4[:SCALar][:POWer:AC]:DIFFerence:
RELative? [<expected_value>[,<resolution>[,<source list>]]]
This command sets the specified window’s measurement function to
difference mode with relative mode on, aborts then initiates both Channel
A and B, calculates the difference measurement result and places the
result on the bus. The result is a ratio based measurement and is
expressed in the units defined by UNIT[1]|2|3|4:POWer:RATio. The
relative value used is that set by the
CALCulate:RELative:MAGNitude:AUTO command.
Syntax
IINITiate:CONTinuous must be set to OFF on both channels, otherwise error –213,
“INIT ignored” occurs. If TRIGger:SOURce is set to BUS on either channel, error –214,
“Trigger deadlock” occurs.
:POW
:AC
:SCAL
:DIFF
:REL
?
Space
expected_value
DEF
resolution
,
DEF
source list
,
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