MEASurement Commands 2
N1911A/1912A P-Series Power Meters Programming Guide 141
READ[1]|2|3|4[:SCALar][:POWer:AC]:RATio?
[<expected_value>[,<resolution>[,<source list>]]]
This command sets the specified window’s measurement function to ratio
mode with relative mode off, aborts then initiates both Channel A and B,
calculates the ratio 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.
Syntax
Parameters
Refer to “Optional Parameters” on page 90 for additional details on the
parameters in this command.
INITiate: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
:RAT
Space
expected_value
DEF
resolution
,
DEF
source list
,
READ
1
2
3
4
Item Description/Default Range of Values
expected_value
(for the expected
power level)
The power meter ignores the numeric value
entered in this parameter. Any value entered is
treated like DEF.
sensor dependent
DEF
1
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