HP 8753E Programming And Command Reference Manual page 124

These commands define the format to use on disk initializations:
These 3 commands select a forward calibration class, during a 2-port
calibration sequence. They are OPC-compatible if there is only one
standard in the class:
These 5 commands control the time domain gate. Range: stimulus
range.
HP-IB Progr amming and Command Reference Guide
PC-DOS 32-bit floating-point format with 4
bytes-per-number, 8 bytes-per-data point.
The data is preceded by the same header
as in FORMl. The byte order is reversed
to comply with PC-DOS formats. If you
are using a PC-based controller, FORM5 is
the most effective format to use.
Selects DOS as the disk format.
Selects LIF as the disk format.
Activates the frequency offset instrument
mode. OPC-compatible.
Frequency blank. Turns OFF frequency
notation.
Selects full page plotting, as opposed to
plotting in one of the four quadrants.
Isolation.
Match.
Transmission.
Center time.
Gate ON/OFF. OPC-compatible.
Span time.
Start time.
Stop time.