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208 Chapter 1
GPIB Command Dictionary
I/Q Plot Subsystem
:MEASurement:MODE <string>
:MEASurement:MODE?
These commands set/query the current measurement mode for the I/Q
plot screen.
Syntax
IQPL:MEAS:MODE ‘Single’
‘Cont’
IQPL:MEAS:MODE?
Screen/field equivalent
IQPL:MEAS:MODE reads the Measurement field of the Main image on
the IQ PLOT screen.
:MEASurement:INTerval <real number>
:MEASurement:INTerval?
These commands set/query the current field contents of the IQ plot
screen field, Meas Int. The units of time are measured in milliseconds.
Syntax
IQPL:MEAS:INT <real number> ! values from 1.5 to 8.0 ms
IQPL:MEAS:INT? !returns the time interval.
Screen/field equivalent
IQPL:MEAS:INT sets the Meas Int field on the IQ PLOT screen. The
query returns the current setting.
:TRIGger:ARM
This command arms the IQ Plot measurement. This command does not
affect continuous measurement. To put the IQ Plot measurement in
single triggering mode, use the TRIG:MODE:RETR SING command.
For continuous triggering, use TRIG:MODE:RETR REP. See “TRIGger
subsystem” on page 346 for a more complete discussion of GPIB
triggering.
Syntax
IQPL:TRIG:ARM !arms the IQ Plot measurements.
Screen/field equivalent
IQPL:TRIG:ARM controls the Arm Meas field of the Analyzer field on
the Main image of the IQ PLOT screen.