IT8800 User’s Manual 
     Copyright © ITECH Electronic Co., Ltd.  vii 
Content 
Certification and Quality Assurance ......................................................................................................................... iii 
Warranty service ....................................................................................................................................................... iii 
Limitation of Warranty ............................................................................................................................................. iii 
Safety signs .............................................................................................................................................................. iii 
Safety Precautions .................................................................................................................................................... iv 
Environmental conditions ......................................................................................................................................... iv 
Regulation tag............................................................................................................................................................ v 
Waste electrical and electronic equipment (WEEE) directive ................................................................................... v 
Compliance Information ........................................................................................................................................... vi 
Chapter1  Acceptance and Installation ............................................................................................................ 1 
1.1 Confirm package contents ................................................................................................................................... 1 
1.2. Installation position ............................................................................................................................................ 1 
1.3 Adjustment of load handle ................................................................................................................................... 2 
1.4 Disassembly of load handle ................................................................................................................................. 3 
1.5 Installation of support .......................................................................................................................................... 3 
1.6 Connecting the DUT............................................................................................................................................ 3 
1.7 Connecting the Power Line ................................................................................................................................. 4 
Chapter2  Quick Start ....................................................................................................................................... 6 
2.1 Brief Introduction ................................................................................................................................................ 6 
2.2 Introduction of front board .................................................................................................................................. 7 
2.3 Introduction of keyboard ..................................................................................................................................... 7 
2.4 Fast function key ................................................................................................................................................. 8 
2.5 Function description of VFD status indicators .................................................................................................... 8 
2.6 Introduction of rear board .................................................................................................................................... 9 
2.7 Power-on selftest ................................................................................................................................................. 9 
Chapter3  Function and Features ................................................................................................................... 12 
3.1 Switching of local/remote operation modes ...................................................................................................... 12 
3.2 Constant-status operation mode ......................................................................................................................... 12 
3.2.1 Constant current operation mode (CC) ..................................................................................................... 12 
3.2.2 Constant voltage operation mode (CV) ..................................................................................................... 14 
3.2.3 Constant resistance operation mode (CR) ................................................................................................. 15 
3.2.4 Constant power operation mode (CW) ...................................................................................................... 16 
3.3 Input control function ........................................................................................................................................ 17 
3.4 Keyboard locking function ................................................................................................................................ 17 
3.5 Short-circuit analog function ............................................................................................................................. 17 
3.6 System menu function ....................................................................................................................................... 17 
3.7 Configuration menu function............................................................................................................................. 18 
3.8 Triggering function ............................................................................................................................................ 19 
3.9 Dynamic test function........................................................................................................................................ 20 
3.9.1 Continuous mode ....................................................................................................................................... 20 
3.9.2 Pulse mode ................................................................................................................................................. 21 
3.9.3 Toggle mode .............................................................................................................................................. 22 
3.10 OCP test function ............................................................................................................................................ 24 
3.11 OPP test function ............................................................................................................................................. 25 
3.12 Battery discharge test function ........................................................................................................................ 26 
3.13 CR-LED test function ...................................................................................................................................... 27 
3.14 Measurement of voltage rise time.................................................................................................................... 27 
3.15 Configuration save function ............................................................................................................................ 28 
3.16 VON function .................................................................................................................................................. 28 
3.17 Protective function........................................................................................................................................... 29 
3.17.1 Overvoltage protection (OVP) ................................................................................................................. 29 
3.17.2 Overcurrent protection (OCP) ................................................................................................................. 30 
3.17.3 Overpower protection (OPP) ................................................................................................................... 30 
3.17.4 Overtemperature protection (OTP) ......................................................................................................... 30 
3.18 List operation ................................................................................................................................................... 31 
3.19 Terminal function of rear board ....................................................................................................................... 33 
3.19.1 Remote sense compensation functions ..................................................................................................... 33 
3.19.2 External trigger function ......................................................................................................................... 34