Technical data

XI U1241B/U1242B User’s and Service Guide
Contents
3 Default Setting Configurations 27
Setting Configurations 28
4 Service and Maintenance 31
General Maintenance 32
Battery Replacement 32
Fuse Replacement 33
Troubleshooting 35
Returning Instrument for Service 37
6 Performance Tests and Calibration 39
Calibration Overview 40
Closed-case Electronic Calibration 40
Calibration Interval 40
Adjustment is Recommended 41
Recommended Test Equipment 42
Basic Operating Test 43
Backlight Test 43
Testing the Display 43
Input-A Terminal Test 44
Input-mA Terminal Alert Test 44
Calibration Process 44
Test Considerations 45
Input Connections 46
Performance Verification Tests 46
Calibration Security 50
Using the Front Panel for Adjustments 52
Adjustment Considerations 53
Valid Adjustment Input Values 54
Calibration Adjustments 55
Exiting Adjustment Mode 59
Calibration Count 60
Calibration Errors 60