Agilent Technologies 8590 Series Service Manual page 185

39.To confirm that the correct data is stored, access the cal attenuator
corrections by pressing the following analyzer keys.
CAL, More 1 of 4, More 2 of 4
SERVICE DIAG
DISPLAY CAL DATA
Note that the cal-attenuator corrections are the first five corrections
located in the ERR column.
Chapter 2a
Making Adjustments: If 3335A Source Not Available
6a. Cal Attenuator Error
185