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Contents 
 
 
1 Safety ................................................................................................................................. 1-1 
1.1 Safety Information ..........................................................................................................1-1 
1.1.1 DANGER ........................................................................................................... 1-2 
1.1.2 Warnings............................................................................................................. 1-2 
1.1.3 Cautions ............................................................................................................. 1-2 
1.1.4 Notes .................................................................................................................. 1-3 
1.2 Equipment Symbols ........................................................................................................ 1-3 
2 Theory of Operation ........................................................................................................ 2-1 
2.1 Introduction..................................................................................................................... 2-1 
2.2 System Connections ........................................................................................................ 2-2 
2.2.1 Mounting the Patient Monitor ............................................................................ 2-2 
2.2.2 Connectors for Peripheral Devices..................................................................... 2-3 
2.3 Main Unit ........................................................................................................................ 2-4 
2.3.1 Input System ...................................................................................................... 2-5 
2.3.2 Output System.................................................................................................... 2-6 
2.3.3 Processing and Communications System........................................................... 2-8 
2.3.4 Power Management System ............................................................................. 2-10 
2.3.5 Equipment Interface System ............................................................................ 2-12 
2.4 Parameter Module ......................................................................................................... 2-14 
2.4.1 Module Infrared Communication Board .......................................................... 2-14 
2.4.2 Module Power Board ....................................................................................... 2-14 
2.4.3 Module Button Board....................................................................................... 2-14 
2.4.4 Parameter Board............................................................................................... 2-14 
2.5 SMR .............................................................................................................................. 2-15 
3 Testing and Maintenance ................................................................................................. 3-1 
3.1 Introduction..................................................................................................................... 3-1 
3.1.1 Test Equipment................................................................................................... 3-1 
3.1.2 Test Report ......................................................................................................... 3-2 
3.1.3 Preventative Maintenance .................................................................................. 3-2 
3.1.4 Recommended Frequency .................................................................................. 3-2 
3.2 Preventative Maintenance Procedures ............................................................................ 3-4 
3.2.1 Visual Inspection ................................................................................................ 3-4 
3.2.2 NIBP Tests and Calibration ................................................................................ 3-5 
3.2.3 Sidestream and Microstream CO
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 Module Tests................................................ 3-8 
3.2.4 AG Tests ........................................................................................................... 3-10 
3.2.5 Preventative maintenance test report................................................................ 3-13