Initialization Of The System Calibration Data; Required Equipment; Procedure - Agilent Technologies E4991A Service Manual

Adjustment

Initialization of the System Calibration Data

Initialization of the System Calibration Data
The EEPROM has the system calibration data. When the EEPROM on the A21 Analog
Interface Board is replaced, it is necessary to initialize the EEPROM using the "EEPROM
Initialize" in the Adjustment Program. All Adjustment must be performed after performing
this item. This item is included in the "All Adjustment". When you encounter the error
regarding the EEPROM such as "EEPROM TEST:Fail" or "EEPROM CSUM ERROR",
firstly perform this item to disappear it.

Required Equipment

Nothing

Procedure

Step 1. Run the adjustment program.
Step 2. Choose the EEPROM Initialize in the Main Menu.
It is possible to perform this item with the All Adjustment too.
Step 3. Make sure that nothing is connected to the E4991A.
Step 4. Follow the adjustment program instruction to update the correction constant.
NOTE
All Adjustment must be performed after performing this item.
132 Chapter 3