Keysight E4428C ESG RF Programming Manual page 24

Getting Started with Remote Operation
Using the Web Browser
FTP enables the transfer of files between
the instrument and a computer. The FTP
access button provides drag- and- drop file
capability.
16
The FTP access softkey opens to show the folders containing the
signal generator's memory catalog files.
Use the FTP window to drag and drop files from the FTP page to your
computer.
Keysight Signal Generators Programming Guide