LTCA-10/LTCA-40 USER’S MANUAL
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TABLE OF CONTENTS
CONVENTIONS USED IN THIS DOCUMENT .......................................................................... 5
1.0 INTRODUCTION ............................................................................................................... 6
1.1 General Description .......................................................................................................... 6
1.2 Functional Description ..................................................................................................... 6
1.3 Furnished Accessories ...................................................................................................... 7
2.0 TECHNICAL SPECIFICATIONS ...................................................................................... 8
2.1 LTCA-10 Technical Specifications .................................................................................. 8
2.2 LTCA-40 Technical Specifications .................................................................................. 9
3.0 CONTROLS AND INDICATORS.................................................................................... 10
3.1 LTCA-10 Controls and Indicators .................................................................................. 10
3.2 LTCA-40 Controls and Indicators .................................................................................. 12
4.0 PRE-TEST SETUP ............................................................................................................ 14
4.1 Operating Voltages ......................................................................................................... 14
4.2 LTCA-10/40 LCD Contrast Control .............................................................................. 14
4.3 LTCA-10/40 Printer Paper Control ................................................................................ 14
4.4 LTCA-10/40 Printer Paper ............................................................................................. 14
5.0 OPERATING PROCEDURES .......................................................................................... 15
5.1 LTCA-10 Cable Connections ......................................................................................... 15
5.2 LTCA-40 Cable Connections ......................................................................................... 16
5.3 General Procedures ........................................................................................................ 19
5.4 Performing a Resistance Test ......................................................................................... 20
5.4.1. Resistance Test Result Printouts ............................................................................. 27
5.5 Performing a Special Resistance Test ............................................................................ 29
5.5.1. Special Resistance Test Result Printout .................................................................. 34
5.6 Performing a Dynamic LTC Test ................................................................................... 35
5.6.1. Dynamic LTC Test Result Printouts ....................................................................... 40
5.7 Diagnostic Mode ............................................................................................................ 42
5.8 Setup Menu .................................................................................................................... 44
5.8.1. Entering the Transformer ID ................................................................................... 44
5.8.2. Restoring a Test Record .......................................................................................... 47
5.8.3. Printing the Test-Record Directory ......................................................................... 50
5.8.4. Erasing a Test Record ............................................................................................. 52
5.8.5. Enabling the Computer Interface ............................................................................ 54
5.8.6. Setting the Date and Time ....................................................................................... 55
5.8.7. Setting the Test Value Display Font ....................................................................... 56
6.0 LTCA-10/40 SPECIAL FEATURES ................................................................................ 57
6.1 Bypassing the Resistance Value Display Delay ............................................................. 57
6.2 Converting Resistance Measurements ........................................................................... 57
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