IT7300 User’s Manual 
  Copyright © Itech Electronics Co., Ltd.  vi 
Content 
CERTIFICATION AND QUALITY ASSURANCE ............................................................................................................................. I 
WARRANTY SERVICE ......................................................................................................................................................... I 
LIMITATION OF WARRANTY ................................................................................................................................................ I 
SAFETY SIGNS .................................................................................................................................................................. I 
SAFETY PRECAUTIONS ...................................................................................................................................................... II 
ENVIRONMENTAL CONDITIONS ......................................................................................................................................... III 
REGULATION TAG ....................................................................................................................................................... III 
WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE) DIRECTIVE .................................................................... III 
COMPLIANCE INFORMATION .............................................................................................................................................. V 
CHAPTER1  ACCEPTANCE AND INSTALLATION ................................................................................................... 1 
1.1 CONFIRM PACKAGE CONTENTS ..................................................................................................................................... 1 
1.2 INSTALLATION POSITION .............................................................................................................................................. 1 
1.3 INSTALLATION OF POWER CORD .................................................................................................................................... 7 
CHAPTER2  QUICK START .................................................................................................................................. 9 
2.1 BRIEF INTRODUCTION ................................................................................................................................................. 9 
2.2 INTRODUCTION OF FRONT PANEL ................................................................................................................................ 10 
2.3 KEY INTRODUCTION ................................................................................................................................................. 12 
2.4 VFD INDICATOR DESCRIPTION.................................................................................................................................... 13 
2.5 INTRODUCTION OF REAR PANEL .................................................................................................................................. 13 
2.6 POWER-ON SELFTEST ............................................................................................................................................... 15 
2.7 VOLTAGE OUTPUT CHECKOUT .................................................................................................................................... 16 
CHAPTER3  FUNCTION AND FEATURES ............................................................................................................ 18 
3.1 SWITCHING OF LOCAL/REMOTE OPERATION MODES ........................................................................................................ 18 
3.2 VOLTAGE SETUP ...................................................................................................................................................... 18 
3.3 FREQUENCY SETUP .................................................................................................................................................. 18 
3.4 PHASE ANGLE SETUP ............................................................................................................................................... 19 
3.5 OUTPUT ON/OFF OPERATION ................................................................................................................................... 19 
3.6 SWITCH THE VFD DISPLAY ITEMS ................................................................................................................................ 19 
3.7 SAVE AND RECALL OPERATION .................................................................................................................................... 20 
3.8 TRIGGER OPERATION ................................................................................................................................................ 20 
3.9 MENU OPERATION .................................................................................................................................................. 21 
3.10 FUNCTION OPERATION ............................................................................................................................................ 24 
3.11 OUTPUT RANGE .................................................................................................................................................... 31 
3.12 KEY LOCK ............................................................................................................................................................. 32 
3.13 BNC ................................................................................................................................................................... 32 
3.14 3Ø-SETUP ............................................................................................................................................................ 33 
CHAPTER4  SPECIFICATION ............................................................................................................................. 36 
4.1 SPECIFICATION ........................................................................................................................................................ 36 
4.2 SUPPLEMENTAL CHARACTERISTICS ............................................................................................................................... 47 
CHAPTER5  REMOTE CONTROL ....................................................................................................................... 48 
5.1 RS232 INTERFACE ................................................................................................................................................... 48 
5.2 USB INTERFACE ...................................................................................................................................................... 49 
5.3 LAN INTERFACE ...................................................................................................................................................... 50 
5.4 GPIB INTERFACE ..................................................................................................................................................... 50