Technical data

U1270 Series Service Guide XI
Table of Contents
1 Calibration Procedures
Calibration Overview 18
Closed-case calibration 18
Agilent calibration services 18
Calibration interval 19
Adjustment is recommended 19
Recommended Test Equipment 20
Basic Operating Test 22
Backlight test (U1271A/U1272A only) 22
Display test 22
Current terminal input test 23
Calibration Process 25
Test Considerations 26
Performance Verification Tests 27
Calibration Security 37
Unsecuring the Instrument for Calibration 38
To unsecure the instrument from the front panel 38
To change the calibration security code 39
To reset the calibration security code to its factory default 40
Using the Front Panel for Adjustments 42
Adjustment considerations 42
Valid adjustment input values 43
Adjustment procedure 47
Exiting the adjustment mode 48
Calibration Count 49
Calibration Error Codes 50