TABLE OF CONTENTS
1. About BT280......................................................................................... 2
1.1 Overview.................................................................................................. 3
1.2 Specifications and Parameters............................................................ 4
1.3 Packing List............................................................................................ 4
1.4 Power Supply Connectio....................................................................... 5
1.5 Key Button Operation............................................................................ 5
1.6 Circuit Breaker Protection.................................................................... 6
2. Working Mode....................................................................................... 7
2.1 Smart Test............................................................................................... 7
2.2 Multimeter Mode.................................................................................... 8
2.3 Oscilloscope Mode................................................................................ 9
2.4 Relay Test..............................................................................................10
2.5 Component Activation......................................................................... 12
2.6 0-5V Power Supply............................................................................. 14
2.7 Fuel Injector Test................................................................................. 15
2.8 Positive/Negative Test........................................................................ 16
2.9 Setting................................................................................................... 17
2.10 Online Update....................................................................................... 18
3.Test Applications................................................................................. 19
3.1 Continuity Test......................................................................................19
3.2 Signal Circuit Test................................................................................20
3.3 Activating Components in You Hand.................................................21
3.4 Activating Components in Vehicle......................................................22
3.5 Activating Components W/Ground.....................................................24
3.6 Checking for Bad Ground Contacts...................................................25
3.7 Following&Locating Short Circuits.....................................................26
3.8 Trailer Lights and Connection Test................................................... 27
4.Warranty and Service.......................................................................... 28
4.1 One-Year Warranty............................................................................. 28
4.2 Service Process.................................................................................... 28
