Table of Contents
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C o n t e n t s
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .v
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Performance Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Audible Alarm Settings and Service Functions . . . . . . . . . . . . . . . . . . . . 29
N-550B
Warnings ............................................................................................................... 1
Cautions ................................................................................................................ 1
Notes .................................................................................................................... 1
Manual Overview .................................................................................................. 2
Description Of N-550B Pulse Oximeter ................................................................ 2
Related Documents .............................................................................................. 4
Cleaning ................................................................................................................ 5
Periodic Safety Checks ......................................................................................... 5
Functional Checks ................................................................................................5
Battery .................................................................................................................. 6
Introduction ........................................................................................................... 7
Equipment Needed ............................................................................................... 7
Performance Tests ............................................................................................... 8
Battery Charge ......................................................................................... 8
Power-Up Performance ........................................................................... 8
Power-On Self-Test (POST) .......................................................9
Power-On Defaults and Alarm Limit Ranges ............................11
General Operation ................................................................................. 16
LED Excitation Test ..................................................................16
Operation with a Live Subject ...................................................17
Alarm Volume Control ...............................................................18
Pulse Tone Volume Control ......................................................19
Pulse Oximetry Functional Tests ........................................................... 19
Introduction ...............................................................................20
Initial Setup ...............................................................................20
Test #1: BPM ............................................................................21
Test #2: SpO2 ...........................................................................22
Test #3: Modulation Level .........................................................23
Test #4: Light ............................................................................25
Safety Tests ........................................................................................................ 26
Introduction ......................................................................................................... 29
Audible Alarm Settings ....................................................................................... 29
Alarm Silence State ............................................................................... 29
Alarm Silence Duration .......................................................................... 30
Alarm Volume ........................................................................................ 30
N-550B Menu ...................................................................................................... 30
Operator's Menu Options .................................................................................... 32
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