This Operation manual is composed of seven chapters and appendices as follows: Chapter 1. GENERAL Introduces an outline and features of the Power Supply Chapter 2. PRECAUTIONS AND PREPARATIVE PROCEDURES Describes the procedures for installation, AC input power cable connection, power-on test, operation mode selection, and load connection. Chapter 3. OPERATING METHOD The former half of this chapter introduces the names and functions of keys, indicators and other panel items, and describes the basic operation method of the power supply; the latter half describes procedures for sequence operation and applied types of operation. Chapter 4. REMOTE PROGRAMMING Describes the procedures to remote-control the Power Supply via an Interface board (optional) from an external controller. Chapter 5. PANEL DESCRIPTION Introduces the names of and describes the functions of the switches and other items of the front and rear panels. Chapter 6. MAINTENANCE AND CALIBRATION Describes the maintenance, inspection, and calibration methods. Chapter 7. SPECIFICATIONS Gives tables of electrical specifications, mechanical specifications Accessories and optional items. APPENDICES Provides an error message table, a troubleshooting chart, a table of factory-de-faults, a menu configuration chart, sequence coding sheets, and a table of ID codes for calibration.