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Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide 303
Creating and Downloading User-Data Files
User File Data (Bit/Binary) Downloads (E4438C and E8267D)
Modifying a Bit File with a Hex Editor
1. FTP the file to your PC/UNIX.
For information on using FTP, see FTP Procedures. Ensure that you use binary file transfers
during FTP operations.
2. Modify the file using a hex editor program.
If you need to decrease or increase the number of bits of interest, change the file header hex
value.
3. FTP the file to the signal generator’s BIT memory catalog (directory).
FTP Procedures
There are three ways to FTP a file:
• use Microsoft’s ® Internet Explorer FTP feature
• use the signal generator’s internal web server (ESG firmware ≥ C.03.76)
• use the PC or UNIX command window
Using Microsoft’s Internet Explorer
1. Enter the signal generator’s hostname or IP address as part of the FTP URL.
ftp://<host name> or <IP address>
2. Press Enter on the keyboard or Go from the Internet Explorer window.
The signal generator files appear in the Internet Explorer window.
3. Drag and drop files between the PC and the Internet Explorer window
Microsoft is a U.S registered trademark of Microsoft Corporation.
80 Byte File From Signal Generator
02 80 hex = 640 bits designated as bits of interest
Modified File (80 Bytes to 88 Bytes)
02 bd hex = 701 bits designated as bits of interest
Added bytes