HP 8753E User Manual page 542

(Option 010 only) is used to specify the parameters of the
window in the transform menu.
(Option 010 only) sets the pulse width to the widest value
dynamic range.
(Option 010 only) is used to set the window of a time domain
measurement to the minimum value. Provides essentially no
window.
(Option 010 only) is used to set the window of a time domain
measurement to the normal value. Usually the most useful
because it reduces the sidelobes of the measurement somewhat.
is used to terminate basic units: dB, dBm, Hz, dE?/GHz, degrees,
or seconds. It may also be used to terminate unitless entries
such as averaging factor.
toggles the PLOTTER/PRINTER serial port data transmit
control mode between the Xon-Xoff protocol handshake and
the DTR-DSR (data terminal ready-data set ready) hardwire
handshake.
converts reflection data to its equivalent admittance values
converts transmission data to its equivalent admittance values.
converts reflection data to its equivalent impedance values.
converts transmission data to its equivalent impedance values.
Key Definitions 6-63