Adjustment Program; Adjustment Program Menu - Agilent Technologies E4991A Service Manual

Adjustment Program

This section describes the explanation of the function and the procedure of the Adjustment
Program. For details, refer to the "Operation Manual for E4991A Adjustment Program".
The operation manual is downloadable from the CTU-Kobe web site

Adjustment Program Menu

The Adjustment Program has the following main menu.
• All Adjustment
• Spot Adjustment
• Write ID
• EEPROM Initialize
All Adjustment
All Adjustment executes all adjustments according to the option the E4991A has. When
you replace the EEPROM on the A21 Analog Interface Board or A27 Mass Storage Disk
Drive(HDD), All Adjustment must be performed.
All Adjustment consists of the following adjustments.
• EEPROM Initialize
• A1 VCXO Frequency Adjustment
• A3 Local Level Adjustment
• A3 Output AGC Gain Adjustment
• A3 Output Level Adjustment
• A4 Local AGC Gain Adjustment
• A4 Local Level Adjustment
• A4 IF Gain Adjustment
• Default Cal Coefficient Adjustment
• A5 Ref Oven Adjustment (Opt.1D5)
• A2 DC Bias Voltage Adjustment (Opt.001)
• A2 DC Bias Current Adjustment (Opt.001)
• A2 DC Bias R/C Adjustment (Opt.001)
NOTE It is necessary to perform the system backup after performing the adjustment so that the
system recovery can be performed correctly. For details, refer to "System Backup (for
serial prefix JP1KH, JP2KH, and MY432)" on page 149
Chapter 3
Adjustment
Adjustment Program
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