HP ESA-E Series Programmer's Manual page 361

HP 8590-Series
Analyzers
Command(s)
TVSYNC
TWNDOW
UP
USTATE
VARDEF
VARIANCE
Corresponding SCPI Command(s) Description/Comments
Selects between negative and positive
triggering for video frame formats.
Creates a window trace array for the fast
Fourier transform (FFT) function.
Increases the active function by the
applicable step size.
Each HP 8590-Series command to which
DN can be applied will have <step> =
DOWN|UP as a parameter in the SCPI
command.
UP (as well as DN) can only be sent as a
parameter in SCPI.
Transmits information that has been
stored in the analyzer by the user.
Creates a user-defined variable and
assigns it a value.
Returns the amplitude variance of the
specified trace, in measurement units.