XI U1241B/U1242B User’s and Service Guide
Contents
3 Default Setting Configurations 25
Setting Configurations 26
4 Service and Maintenance 29
General Maintenance 30
Battery Replacement 30
Fuse Replacement 31
Troubleshooting 33
Returning Instrument for Service 35
6 Performance Tests and Calibration 35
Calibration Overview 36
Closed-case Electronic Calibration 36
Calibration Interval 36
Adjustment is Recommended 37
Recommended Test Equipment 38
Basic Operating Test 39
Backlight Test 39
Testing the Display 39
Input-A Terminal Test 40
Input-mA Terminal Alert Test 40
Calibration Process 40
Test Considerations 41
Input Connections 42
Performance Verification Tests 42
Calibration Security 46
Using the Front Panel for Adjustments 48
Adjustment Considerations 49
Valid Adjustment Input Values 50
Calibration Adjustments 51
Exiting Adjustment Mode 55
Calibration Count 56
Calibration Errors 56
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