Owner's manual

TABLE OF CONTENTS

Page

TEST INSTRUMENT SAFETY --------------inside front cover

INTRODUCTION ------------------------------------------------- 4

FEATURES -------------------------------------------------------- 5

SPECIFICATIONS ------------------------------------------------ 6

CONTROLS AND INDICATORS------------------------------- 8

OPERATING INSTRUCTIONS --------------------------------10

Safety Precautions ---------------------------------------------10

Equipment Precautions ---------------------------------------- 10

Hook-Up -------------------------------------------------------- 10

Typical Constant Voltage Operation------------------------- 13

Setting Current Limit ------------------------------------------14

Typical Constant Current Operation ------------------------- 15

Constant Voltage/Constant Current Characteristic ---------16

Connecting Two Power Supplies in Series------------------16

Connecting Two Power Supplies in Parallel ---------------- 19

Page

APPLICATIONS------------------------------------------------ 20

General -------------------------------------------------------- 20

Electronics Servicing ---------------------------------------- 20

Electronics Manufacturing ---------------------------------- 20

Electronics Design Lab-------------------------------------- 20

Electronics Education---------------------------------------- 21

Battery Charging --------------------------------------------- 21

MAINTENANCE ----------------------------------------------- 22

Fuse Replacement -------------------------------------------- 22

Line Voltage Conversion------------------------------------ 22

Adjustments--------------------------------------------------- 22

1743B Calibration -------------------------------------------- 23

Instrument Repair Service----------------------------------- 23

WARRANTY SERVICE INSTRUCTIONS ----------------- 25

LIMITED TWO-YEAR WARRANTY ----------------------- 26

SPANISH MANUAL------------------------------------------- 28