Table of Contents  Important... i Technical Competence...   1 Introduction 1... What this manual includes... 1-2 1... User's Reference manuals... 1-2 1... What is an S/5 Avance anesthesia machine?... 3 1... Anesthesia system components... -4 1... Breathing system components... 1-6 1... Display controls... 1-7 1... Anesthesia system display... 1-8 1... 1 Using menus...  1-10 1... Symbols used in the manual or on the equipment...  1-11  2 Theory of Operation 2... Electrical system... 2 2... Power subsystem... -4 2... 1 Power Controller board... 2-5 2... 2 Power distribution... -6 2... Display Unit... 2-8 2... System communications... -9 2... System connections...  2-10 2... 1 Display Unit... 2-10 2... 2 Display Connector board... -10 2... Power Controller and Anesthesia Control board connections... 11 2... Anesthesia Control board... -12 2... Electronic Gas Mixer...  2-14 2... Ventilator Interface board... -16 1009-0357-000 11/03  iii
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