CONTENTS
PRECAUTIONS 4
PREFACE 6
OVERALL VIEW OF ER SERIES 6
DISPLAY & KEYBOARD 7
OPERATIONS 11
1. Programming mode 11
Chapter 1. Basic Operation 12
Chapter 2. PLU Saving & Calling - up 13
Chapter 3. User's Set-up Mode 16
Chapter 4. Formatting Printing Receipt 20
2. Sales Mode 24
Chapter 5. Basic Operation 25
Chapter 6. Sales Transaction 27
Chapter 7. Discount & Payment 35
Chapter 8. Daily Total Sales Amount 37
ASCII CODE 39
ERROR MESSAGES 40
SPECIFICATION 41