Agilent Technologies E5052A Programmer's Manual page 469

Change 4
The equipment with prefix MY441 or earlier does not support the USB (USBTMC)
interface port nor the removable hard disk function.
Change 3
The following functions are integrated newly into the firmware version A.01.50 onward.
They are not supported by the firmware version A.02.00 or earlier.
E5053A Control function
UserCAL executive function of power measurement
Frequency blanking
Frequency offset function
External mixer support
Carrier signal search function
Support of USB(USBTMC) interface port
Change 2
The following functions are integrated newly into the firmware version A.01.50 onward.
They are not supported by the firmware version A.01.10 or earlier.
Limit test function
Auto frequency control function
X-axis divisions
Selectable preset
Copy function of measurement result to user window
Recall function of state file from softkey
Selectable trace layout in frequency/power measurement mode.
Integral phase noise, jitter and residual FM measurement in phase noise measurement
Selectable quality level during phase noise measurement
Display the progress of phase noise measurement
Display spurious power value in phase noise measurement
Moving function of harmonics to the center during spectrum monitor measurement
Supporting ΔHz,% and ppm data formats in frequency measurement
Supporting 200kHz frequency range in transient measurement
Offset adding function to phase reference frequency in transient measurement
Appendix A
Manual Changes
Manual Changes
469