User manual
UNI-T
®
UT4000 User Manual 
Preface 
This manual provides information on the operation of the UT4000 digital storage 
oscilloscope series. Guidance is given in several chapters as follows : 
Chapter 1 ⎯ User Guide : Simple guide to oscilloscope functions and installation. 
Chapter 2 ⎯ Instrument Setups : Guide to operation of the UT4000 digital storage 
oscilloscope series. 
Chapter 3 ⎯ Practical Illustrations : Example illustrations are provided to solve 
various testing problems. 
Chapter 4 ⎯ System Prompts and Trouble-shooting : 
Chapter 5 ⎯ Servicing and Support : 
Chapter 6 ⎯ Appendixes : 
Appendix A : Technical Indicators 
Appendix B : Accessories for UT4000 Oscilloscopes 
Appendix C : Maintenance and Cleaning 










