Nellcor N-180 User manual

©

SERVİCE

NELLCOR®

Pulse

NELLCOR®

MANUAL

N-180/N-180E

Oximeter

ro

-To

contact

or

510

Caution:

©

1993

Nellcor's

887-5858;

Federal

Nellcor

Incorporated

representative:

outside

law

of

the

(U.S.)

United

restricts

In

the

United

States,

this

device

States,

call

Nellcor's

to

sale

call

1-800-NELLCOR

local

representative.

by

or

on

the

order

一

of a physician.

028018A-0993

Corporate

Nellcor 25495 Hayward,

Headquarters

Incorporated

Whitesell

Street

California

94545 U.S.A. Tel.

510-887-5858

European

Northwest

Nellcor Hambakenwetering 5231 The

Netherlands

Tel.

+31.73.426565

Middle Nellcor

Regional

Europe

DD

and

BV

’s-Hertogenbosch

Central

GmbH

1

Europe

Black-&-Decker-Strasse 65510

Idstein Germany Tel.

+49

6126.5930

Southern Europe

Nellcor 8, 78353

Sarl

rue

du

Petit

Jouy-en-Josas

Robinson

Cedex

France

Tel.

+33.1.39469658

Offices

28

‘European

Nellcor

Office

BV

Hambakenwetering

5231

DD

’s-Hertogenbosch

The

Netherlands

Tel.

+31.73.426565

European

Nellcor University

Science

Coventry United Tel.

+44.203.690220

Nelicor

Local

(UK)

Limited

of

Warwick

Park

CV4

7EZ

Kingdom

(Belgium)

Interleuvenlaan B-3001

Leuven

Belgium

Tel.

+32.16.400467

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Suite

1204C

Admiralty

18

Harcourt

Hong

Kong

Tel.

+852.529.0363

Headguarters

Limited

Centre,

Road

1

Offices

NV/SA

62/8

Tower

—

1

The

following

‘States

and

OXISENSOR,

Covered

Numbers

and

other

by

one

4,621,643;

are

trademarks

countries;

DURAFORM,

or

more

of

DURASENSOR,

and

of

the

following

Nellcor

the

4,653,498; 4,700,708; 4,770,179;

Incorporated:

and

OXIBAND,

Nelicor knob,

patents

and

4,869,254,

NELLCOR,

which

corresponding

are

commercial

which

are

registered

foreign

is

registered

trademarks.

patents:

in

the

U.S,

in

the

United

Patent

United

States;

CONTENTS

Figures

Tables

Symbols

Graphics

Introduction

Principles

Functional

Routine

Troubleshooting

Disassembly

Performance

Specifications

Spare

.. introduction Graphies

Manual

Warnings,

N-180/N-180E Related Conventions Returning

Introduction.................

Automatic Functional Measured

Infroductioh

Functional Circuit

Introduction

Nellcor

introduction......

How Who

Replacement

Obtaining

Troubleshooting

Introduction...

Tools

-Preliminary

Post

Top

Wiring

Procedures...

Gaining

Introduction... Required Building

Testing

Safety

Performance Environmenta! Electrical

Physical

Parts........

Introduction Spare

Listed.

...........

Overview

Documents

Of

Block

Analysis

Maintenance...

Recommendation

....

Cautions,

Pulse

Used

in

the

Monitor...........

Pulse

Oximetry

Calibration

Versus

Block

Fractional

Calculated

And

Analysis.

.......

.............

..

to

Use

This

Section

Should Perform

Level

Replacement

Guide

and

Assembly

Require

Procedures

Asssembly

Level

Connections

Acces

the

Performance

Tests

Characteristics

Parts Listings

Testing

View

of

Monitor

And

Safety

Test

Equipment...

Test

Adapters

....

..

....

Requirements

Characteristics

And

....

Circuit

Supported

...

Notes

Oximeter

TI

Monitors

.

Repairs..

Tests...

.

..

Saturation

Analysis

ee

.

Parts

.

............

Guide

and

Precautions

Requirements.

Assemblies.

ponen:

and

Fixtures

..

Described

.. ..

.

vii

G1

GA Gl

1-1

1-1 1-2 1-2 1-3

2-1

2-1 2-1 2-1 2-2 31 8-1 8-1

34

41

4-1 41 5-1

5-1

5-1 5-1 5-1

6-1

6-1 6-1 6-1 6-2 6-3 6-3

7-1

7-1 7-1 7-1 7-2

7-11

8-1

8-1 82 82 8-3 9-1 9-1

91

Contenis

FIGURES

Schematic

Introduction

Schematic

Communications

Introduction... Conversation Computer

FOG-1:

-1:

8-1:

3-2:

3-3: 3-4:

3-5:

3-6: 5-1: 5-1: 5-1.

5-1: 5-2: 5-2:

6-1:

6-2:

6-3:

.

6-4:

6-5: 6-6: 6-7

6-8:

6-9:

6-10:

6-11:

6-12:

7-1:

7-2: FO10-1: - MINI FO10-1: FO10-1: FO10-1:

FO10-1: FO10-1: FO10-1: FO10-2: FO10-2: FO10-2: FO10-2: FO10-3: FO10-4:

Diagrams...

Monitor Oxyhemogiobin Oximetry Oximetry Oximetry

Oximetry and Oximetry

Oximetry

Display

Front

Front Exploded Monitor Battery Removing

Transformer

Middle Bottom AC Fuse Front Sensor

Bail

Test

RCAL

MINI MINI MINI MIN! MIN! MINI CPU CPU CPU PCB CPU N-185 N-180

.......

List

......

Formats.

Format

Filter

Power

Functional

Module Module Module Module

and

Amplifiers Module Module

Troubleshooting Troubleshooting Troubleshooting Troubleshooting

Panel

Decision

Panel

Decision

View

of

Cabling

and

Associated

the

Top

and

Shield

Holder

Panel

and

Adapier

Hi SOOM SOOM SOOM SOOM SOOM SOOM SOOM

PCB PCB

PCB

LED LED

Components...

Shield

Components

Inlet

and

Assembly

Connector

Feet

...........

One

Test

Fixture... Schematic Schematic Schematic Schematic Schematic Schematic Schematic

Schematic Schematic Schematic Schematic

Drive PCB

Block

Diagram

Dissociation

Block

Diagram...

LED

Driver

Input

Source

Input

Amplifier,

Analog

Support

Monitor...

Diagram

AC

PCB

Schematic

to

Circuits... Decision Decision Decision Decision

Tree

(1

Tree

(2

...

Components

Shield...............

Filter

Details

Control

Assembly

Diagram Diagram Diagram Diagram Diagram Diagram Diagram

Diagram Diagram Diagram Diagram

Schematic

...

Curve

.

Circuit

Selection

Synchronous

Digital

Conversion

Tree Tree Tree Tree

of

2)

...

of 2)

..

Assembly

ve.

Components

(1

of 7) (2 of 7) (3 of 7) (4

of 7) (5

of (6 of 7) (7 of

(1

of

4)....

(2

of 4)

(3

of

4)

(4

of

4)....

Diagram

Circuits.

ee

(1

of (2 of (3

of (4

of

.

7)

... ...

7)

Detector,

Circuits

4).

.

…

.

. . .

. .

A A-1 A1

G2

22 32 35 37

3-9 3-13 8-14

54

5-6

5-8 5-10

5-12 5-14

62 6-3 65 6-6

6-7 6-10 6-11

6-12 6-13 6-14 6-16

6-17

7-2

7-2 10-3 10-5 10-7 10-9

10-11 10-13 10-15 10-17 10-19 10-21

10-23

TABLES

Contents

5-11:

5-12:

5-13: 5-14: 5-15:

5-16:

5-17: 5-18: 5-19: 7-1: 9-1:

9-2: AT:

Status

Erratic Fixed

Missing Intermittenily Partially Not AC Battery Normal Missing Front Cannot Cannot Cannot

Push

DIP

Power RS-232

Required

Spare

Spare Serial

Messages

or

Missing

Error

Display

Lighted

Lighted...

Operation

Audio

One

Panel

Turn Tum Tum

Buttons.....................

Selector

Switch

Communications

Test

Parts Parts

Data

by

Category...

Values

Control

Output

.........

Segmenis

Lighted...

..

.....

When

Power

or

More

Displays

Knob

On

Monitor

On

Monitor

Off

Monitor

Switch

Listed

by

Troubleshooting

Equipment

in

Part

Description

..

is

Applied...

........................

{ac

Operation) (Battery ...

Port

Troubleshooting

........................

Number

and

..

Chart.

Order

Chart..

.

or

Indicators

Operatio:

Chart............

Order

ltem

ner

.

5-2

55 5-5

5-5 5-7 5-7 5-7 5-9

5-9 5-11 5-11

5-13

5-15

5-15 5-16 5-16 5-16

7-1

9-2 9-3

A-2

_

SYMBOLS

Caution:

Type

Fuse

(110-120

Fuse

(220-240

DANGER:

Equipotential

Audible

refer

to

manual

BF equipment;

replacement

symbol

VAC)

replacement

V~)

High

Alarm

symbol

voltage.

ground

Off

patient

electrically

isolated

0/0

"

Sp02%

STDBY/ON

Percentage

switch

OXYGEN

SATURATION

vii

Symbols

The

following

symbols

apply

only

to

the

N-180E

model.

©

min

PULSE

BATT

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LOW

©

HIGH

RATE,

SEARCH

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BATT

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measured

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SECTION

MANUAL

WARNINGS,

Warning

1:

INTRODUCTION

OVERVIEW

CAUTIONS,

Manual Warnings, N-180

Returning

This

oximeter, analog personnel. for a thorough

This monitor:

A

or

Overview

Puise

Documents

manual

and

AND

NOTES

manual

Warning,

warning

user.

Warnings

Warning:

Cautions,

Oximeter

Used

the

and

digital

Before

precedes

and

Notes

Monitor

in

this

Manual

Monitor

contains

is

understanding

uses

information

only

for

individuals

electronics.

servicing

three

terms

Caution,

an

action

are

boxed

This

is example warning.

Description

for

This

product

the

N-180,

of

how

that

are

and

Note.

that

may

and

highlighted

an

example

of a warning.

servicing

who

read

this

important

result

of a warning.

the

have a technical

must

the

operator's

device

in

boldface

This

Nellcor

beserviced

operates.

for

proper

injury

is

This

an

example

or

type.

N-180

pulse

background

by

qualified

manual

death

carefully

operation

to

the

is

an

of

a

in

of

the

patient

Caution

Note

N-180/N-180E

PULSE

A

caution

the

monitor.

Caution:

A note

Note:

gives

OXIMETER

The

N-180/N-180E

this

manual,

and

noninvasively

globin

(SpOz),

precedes

Cautions

This

is

caution,

information

This

is

an

MONITORS

the

term

and

an

action

are

highlighted

an

example

This

that

an

example

DESCRIBED

Pulse

Oximeter

monitor measures pulse

rate.

that

may

of a caution.

is

an

example

requires

of a note.

functional

Measurements

This

Monitors

is

substituted

result

in

boldface

of a caution

special

This

is

oxygen

in

damage

type.

This

attention.

is

an

example

an

example

(to

simplify

from

this

saturation

are

updated

to,

or

is

an

example

Here

of a note.

writing

point

of at

malfunction

of

is

an

example:

of a note.

and

reading

on)

continuously arterial each

hemo-

pulse

of,

a

This

beat.

1-1

N-180

Pulse

Oximeter

Service

Manual

These configuration. international need to

The version way following

The where

The

publications

monitors

to

distinguish

either

version.

domestic

(N-180E)

controls

electrical

*

Transformer

*

AC

inlet

*

Fuse

parts

such

physical

described

in

the

To

perform

in

following

principles

know

how

Pulse

Oximeter

The

version

are

listings

distinctions

and the that

test

of

operation

to

operate

applicable.

are

manufactured

domestic

uses

symbolic

between

(N-180)

operates

marked.

on

Because

components

in

Section

are

operational

respective

apply

operators

to

operating

paragraph.

and

troubleshooting

and

the

monitor.

or

to

Operators

in a domestic

version

uses

markings.

monitor

versions

・

operates

220-240

of

the

on

VAC.

different

differ.

9,

Parts

List,

needed.

characteristics

manuals.

and

servicing

procedures

circuit

analysis

Refer

Manual

to

Nellcor

and

standard

English

Except

the

single

110-120

There

VAC are

operating

distinguish

of

these

These

the

and

sections

Operators

N-180E

an

international

markings;

where

there

term

and

the

also

differences

monitor

voltages,

between

monitors

manuals

monitor

to

understand

of

this

manual,

Manual

Pulse

Nellcor

Oximeter,

the

is a clear

applies

international

in

the

models

are

completely

and

other

are

described

the

you

must

N-180

as

CONVENTIONS

USED

To

understand

to

the

Nellcor

individual

IN

THIS

MANUAL

The

following

the

poster

sensors.

conventions

various

Pulse

Nellcor Oximetry

are

used

sensors

or

to

the

in

this

that

work

information

manual:

with

the

monitor,

supplied

with

refer

your

12

*

«

.

In text, signal

before

an

name or

over

symbols,

Signal

Fold

The

bears

term

names

out

front

symbolic

ON/STDBY

active

(for

after

score

low

logic

example

the

signal

also

designates

are

printed

illustration

panel

switch

marks

is

signals

SIGNAL*).

name

logic

in

all

numbers

that

are

controls

are

difficult

substituted

are

designated

On

logic

designates

low

on

some

capital

letters.

preceded

operating

to

for

the

symbolic

Section

by

an

asterisk

diagrams a virgule

logic

low

active.

schematic

by

the

letters

set

power

in

type.

to

the

Therefore,

marking.

1:

Introduction

after

In

addition,

device

FO.

monitor

the

()

the

RETURNING

THE

MONITOR

If

you department processing

To

repackage

Carefully pack

carton packing RGA

must

return

for

Nellcor

the

is

unavailable,

material.

number.

the

shipping

will

CO2

indicator

the

monitor

use a suitable

Mark

monitor

to

Nelicor,

instructions.

give

you a return

disconnect

in

the

original

the

shipping

call

To

facilitate

goods

shipping

carton

Nellcor’s

repair

authorization

the

sensor

carton.

with

an

appropriate

and

any

Technical

or

replacement

and

the If

shipping

Services

(RGA)

power

the

original

amount

forms

number.

cable.

of

with

the

13

SECTION

INTRODUCTION

2:

PRINCIPLES

Introduction

Automatic

Functional Measured

Pulse

moglobin

ume changes saturation into emitting nominally

photo

Because the

oxygen

monitor

pulse absorption,

‘reach

between Accordingly,

blood)

.

tributable

Calibration

Versus

oximetry

differ

of

arterial

during

of

an

arteriolar

diodes

660

detector.

oxyhemoglobin

relative

absorption

saturation.

relies

of

arterial

increases.

their

lowest

minimum

are

eliminated. to

OF

PULSE

Fractional

Calculated

is

based

in

their

blood

the

pulsatile

arterial

bed

(LEDs)

nm;

infrared,

To

on

the

blood

point.

and

the

effects

the

pulsatile

OXIMETRY

Saturation

on

two

absorption

in

tissue

hemoglobin

and

in

of

identify

pulsatile

enters

During

maximum

of

Red

(and

cycle. A pulse

determining the

oximetry

nominally

and

deoxyhemoglobin

red

and

arterial nature

the

diastole,

To

measure

nonpulsatile

absorption

arterial

principles:

of

hence,

(SpO2)

infrared

vascular

absorption

blood

that

red

and

light

by

light

sensor

920

hemoglobin

of

arterial

bed—blood

blood

SpO2,

absorbers

and

infrared

are

oxyhemoglobin

infrared

oximeter

passing

absorption.

serve

nm); a photodiode

differ

light

volume

the

of

thus

light,

absorption

measures

red

and Two

as

light

in

spectral

by

blood

reflects

oxygen

flow.

At

systole—as a new

volume,

and

light

monitor

red

uses

and

infrared

(that

is,

absorption

made

distinct.

by

saturation,

tissue,

and

deoxyhe-

and

that

blood)

the

oxygen

infrared

low-power

sources

serves

absorption,

hemoglobin

and

hence

absorption

the

difference light.

bone,

that

are

.

the

vol-

light

light- (red, as

the

light

venous

at-

AUTOMATIC

FUNCTIONAL

CALIBRATION

Because mean

of the relatively

anisms

when

each

wavelength

software

that

VERSUS

FRACTIONAL

This as a percentage Significant or 282

centage

hemoglobins.

light

absorption

wavelength

the

sensor

infrared

the

time a new

sensor.

monitor

methemoglobin

report

red

LED

flat

in

automatically

monitor

of

the

reads

this

measures

amounts

fractional

of

all

measured

To

by

hemoglobin

of

LEDs

vary,

LED

to

accurately

is

less

the

portion

calibrate

is

turned

sensor

red

LED

resistor

crucial

is

because

of

the

on.

Calibration

connected.

is

encoded

and

SATURATION

functional

of

the

hemoglobin

of

dysfunctional

are

not

detected.

saturation—oxygenated

hemoglobin,

compare

functional

depends

an

oximeter measure

the

infrared

monitor

During manufacturing,

in a resistor

selects

appropriate

SpO2—oxygenated

that

is

capable

hemoglobin,

İn

contrast,

including

SpO2

upon must SpO2.

hemoglobin

spectrum

for

the

occurs

hemoximeters

hemoglobin

measured

measurements

wavelength

store

the

mean

(The

mean

absorption

used.)

Patented

sensor

periodically

in

of

such

red

wavelength

the

sensor.

calibration

hemoglobin

transporting

as

carboxyhemoglobin

expressed

dysfunctional

to

those

and

the

wavelength

curves

mech-

thereafter

mean

The

coefficients

expressed

oxygen.

such

from

and

monitor

as

the

as a per-

an

of

are

for

II,

in

21

N-180

Pulse

Oximeter

Service

Manual

MEASURED

VERSUS

strument

that

measurements

functional

SpO2

CALCULATED

When

saturation

pressure

sured

rected and

pressure

2,3-DPG

of

SpO2.

for

the

saturation

of

and

measures

using

=

100-

SATURATION

is

calculated

arterial

This

oxygen

is

because

effects

(figure

arterial

fetal

carbon

hemoglobin.

100

50

SpO2 (%)

fractional

the

following

(%

carboxyhemoglobin + %

saturation, you

equation:

fractional

from a blood

(PaO2),

of

variables

2-1).

The

dioxide

the

calculated

that

variables

(PaCO2),

saturation

gas

calculated

saturation

shift

the

relationship

are:

pH,

and

must

convert

methemoglobin)

measurement

value

may

not

between

temperature,

the

concentrations

fractional

100

х

of

the

differ

from

have

the

partial

mea-

been

cor-

PaO2

partial

of

Figure

PaO2

2-1: | Oxyhemogiobin

(mmHg)

Dissociation

Curve

2-2

SECTION

INTRODUCTION

FUNCTIONAL

3:

FUNCTIONAL

Introduction Functional

Circuit

This

+

BLOCK

ANALYSIS

Monitor

*

e

Block

Analysis

section

explains

Functional Circuit

analysis

functional

Standard (SOOM),

module

the

original

model

is

oximetry

CPU PCB

LED

Drive

BLOCK

Analysis

how

block

diagram

elements

MP-203

hereafter

module

PCB

AND

monitor

analysis

(figure

equipment

oximetry

referred

is a printed

CIRCUIT

circuits

manufacturer

to

FOG-1)

module.

as

the

circuit

operate

include:

oximetry

board

ANALYSIS

and

contains

(OEM)

For

oximetry

ease

of

module.

(PCB).

reference

In

two

parts.

module

this

actual

fact,

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Module

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The the

LED PCB

Front

panel

AC

power

Battery

oximetry

signal

derived

controls

inlet

module

from

(figure

the

patient

3-1)

drives

(via

the

oxygen

sensor

transducer

connector).

and

conditions

31

N-180

Pulse

Power

Host

Communications

Configuration

Oximeter

JP4

ET-

Option

Selector

JP5

Power

dumpers

Service

The

*

* + * + © Analog

*

Power

and

IR_ADC

Manual

functional

LED

Input Input Demodulator

Support

Circuits

Host

Comm

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Red

ADC

elements

driver

amplifier

source

selection

filters

to

digital

circuits

Support

Lines

A:D

Filters

of

and

synchronous

and

converter

Data

+

Red

IR

the

oximetry

amplifiers

and

Control

module

detector

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Synchronous

Saturation

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are:

LED

Driver

Amplifier

and

Detector

Signal

Source

Selection

Extemal

Pre-amp

—

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Sensor

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Figure

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The LEDs.

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percentage

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oxygen

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in

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transducer

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module

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LED

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SAT

signal

to

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analog

block.

3-1:

Oximetry

signal

current

(SAT

and

to

the

CPU

serial

communication

of

signal

patient

measurement

(such

conditioning

measurement

alternate

responds

via the

circuits

is

controlled

and

is

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signal

things

Module

for

saturation),

pulse

PCB

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infrared

site.

monitor

control

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rate

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port.

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front-panel

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same

for

display

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circuits

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in

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at

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Section

3:

Functional

Block

and

Circuit

Analysis

Input

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controlled

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source

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two via

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circuits

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possible

the

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logic

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patient’s

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to

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and

pulse

waveforms

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conversion

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calculation

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inputs

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information

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following:

oximetry

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input

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input

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input

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digital

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CPU PCB

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LED

Oximetry supported and CPU PCB

-

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and graph

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by

256K

random

via

acting

for

display

a

speaker

an

LED

a

battery

a

battery

a

power

a

set

of

optical

an

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panel

displays

relative

pulse

arrangement

operations

512K

electrically

access

connector

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on

the

driver

current

check charger condition

control

isolators

connector

consist

strength.

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programmable

memory

JP5.

controller

front

panel

function

monitor

for

of

LEDs

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pulse

by

the

lines

have a legend.

an

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read

only

memory

power

data

multipurpose

SpO2

(saturation),

strength

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indicator

indicators

micro

is

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from

controller

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by

the

oximetry

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PCB

pulse

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rate

33

N-180

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Oximeter

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+ ㆍ + *

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batt

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search

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AC

Power

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push-button

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(This

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PCBS

panel

assembly

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control

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power is charging

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red

LEDs

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sensor

controls

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is

on

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input

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12

connects

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CPU

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buttons,

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input

receptacle,

volt

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the front

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lead-acid

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panel

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Drive

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9.)

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light

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PCB

CIRCUIT

Oximetry

ANALYSIS

Module

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portion

detail.

of

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has

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associated

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oximetry

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oxygen other

power,

saturation

pertinent

processing.

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functional

section

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circuit

module

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pulse

information

elements

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rate.

are

of

the

major

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analysis

paragraph

resulting

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saturation

transmitted

oximeter

functional

helps

in

assembly

SAT

signal,

to

the

module

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you

locate

top-down

in

that

order.

this

section.

provides

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percentage,

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as

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blocks

and

in

repair

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pulse

rate,

CPU

PCB

monitor

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the

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source

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specific light

signals

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signal

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transducer.

module

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of

selection

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digital

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and

bias

DACs

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3:

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Figure

3-2:

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LED

Driver

Circuit

N-180

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Oximeter

Service

The with a 25% a

four-phase negative LED either present

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frequency

duty

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3:

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Figure

3-6:

Oximetry

Module

Support

Circuits

N-185/060

pe

CPU

PCB

The

* *

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controls

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functions RS-232 support

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condition charging

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check

4)

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to

external

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power

3:

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3-16

Section

3:

Functional

Block and

Circuit

Analysis

regulator

output, (U18C)

input

to

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only

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13D

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point represents a battery voltage

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value.

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power

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connector

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device

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1),

signals

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Section

3:

Functional

Block

and

Circuit

Analysis.

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much

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3-21

SECTION

INTRODUCTION

NELLCOR

RECOMMENDATION

4:

ROUTINE

MAINTENANCE

Introduction

Nellcor

The institution

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every 2 years.

41

SECTION

INTRODUCTION

HOW

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WHO

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5:

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table

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Section

5:

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Front

Front connections

‘|

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|

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panel

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table

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power

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cause

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connection

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monitor

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cause

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input power CPU

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cause

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knob

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transformer

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or

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isolators

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cable,

516

roof

i

SECTION

INTRODUCTION

6:

DISASSEMBLY

Introduction

Tools

Preliminary Post Top Wiring Procedures

This parts reverse

Required

Procedures

Assembly

Level

Connections

section

replacement,

Testing

View

describes

of

dissasembly.

AND

of

Monitor

testing

ASSEMBLY

and

Precautions

Requirements

Assemblies

how

to

disassemble

or

troubleshooting.

GUIDE

the

monitor

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when

required

procedures

for

are

the

TOOLS

REQUIRED

PRELIMINARY

POST

ASSEMBLY

To

disassemble

+

e

*

¢

PROCEDURES

In

some

care.

1.

2.

WARNING:

8.

TESTING

the

monitor

Number

‘Tweezers for

Metric

Before

Attach a grounding

On

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REQUIREMENTS

one

Phillips

two

Phillips

or

small

retrieving

nut

driver

AND

PRECAUTIONS

cases

the

PCBs

opening

the

monitor

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disconnect

dropped

or

rear

you

need

head

screwdriver

head

screwdriver

needle-nose

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set

or

set

of

small

have

components

disassembling

strap

to

your

panel,

to

you

set

remove

to

lethal

the

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the

pliers

metric

the

wrist.

power

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power

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oximetry

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off.

in

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following:

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printer

TOP

LEVEL

VIEW

OF

MONITOR

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you

remove

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Figure

three

major

bottom

top

cover.

and

7,

Performance

ASSEMBLIES

6-1

is

an

exploded

assemblies:

cover

assembly.

Each

major

replace

and

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assembly

electrical

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view

top

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of

the

cover,

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in

components,

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monitor

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bottom

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panel

cover

of

the

tests

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relationship

assembly

minor

assemblies.

and

in

the

to

of

the

61

N-180

Pulse

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panel

assembly

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| 1

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Top

cover

(72)

1

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cover

screw

Figure

WIRING

CONNECTIONS

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assembly

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4

places

6-1:

6-2

disassembling

cable

experience

———————

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is

a

wiring

remove

connectors

clip

if

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connection

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disconnect

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of

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retaining

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cover

assembly

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the

monitor

clip;

connector

cable

connector

(9)

you

the

ensure

that

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(37)

28018425

can

use

for

components,

connectors

that

you

replace

has

one.

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eventually

reference

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can

at

either

a

comes

loose.

end.

you

6-2.

Section

6:

Disassembly

Guide

pozos

Switches

Dip

АС

CN6

up

SW1

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一

|

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+

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|

6-2:

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14

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PCB

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.

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Sd

Speaker

9CKT

Connector

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350

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Front

Panel

ON

STDBY

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280184/30

」

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PROCEDURES

The

following

for

gaining given, components steps

Most

GAINING

ACCESS

TO

COMPONENTS

starting

leading

CPU

PCB

components.

screw combination writing If a screw replace

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cover

assembly

cover

assembly.

1.

Place

procedures

access

you

this

has a removable

the

monitor

to

with

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that

are

to

the

assembly

must

fasteners

flat

washer

procedure,

washer

top

and

when

cover

upside

and

display

on

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first

have

washer

to

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front

are

organized

removing

housing

bottom

you

remove

some

and

lock

removal

washer,

you

assemble

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access

panel

down

on

in a top

components

components.

of

an

assembly,

wish

to

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the

battery,

arrangement

washer

or a self

is

omitted

and

you

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monitor.

to

components

assembly.

the

bench

down

in

top

shield,

of

washers,

remove

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top.

approach.

each

major

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general,

you

must perform

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example,

and

locking

from

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washer,

mounted

is

how

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assembly

to

middle

either

type.

a

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applicable

ensure

on

the

to

unfasten

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reach

all

the

replace

simplify

the

shield

steps.

you

bottom

the

top

6-3

N-180

Pulse

Oximeter

Service

Manual

Using a number cover

assembly

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gather

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Replaceable

Bottom

Battery

Speaker

Transformer

AC

inlet

Top

shield Oximetry Middle

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CPU

PCB

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panel

o

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two

screws.

return

components

and

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module

shield

fuse

up

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speaker

power

monitor

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to

screws.

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in

the

brackets

inlet

and

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bottom

head

upright

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bottom

control)

view

of

monitor.

screwdriver,

position

for

replacement.

cover

with

include:

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remove

front

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(4)

the

pane)

four

facing

bottom

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|

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following

monitor,

12

VDC

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gaining

‘

2.

..

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3.

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assembly

4,

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battery

in

which

battery:

access

four

from

battery.

case,

to

the

to

screws

flat

blade

the

removal

you

battery

components.

must

from

steps

by

battery

screwdriver

battery.

assume

leave

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following

bracket

to

you

are

battery

the

carefully

connected.

instructions

(figure

pry

not

troubleshooting

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in

this

6-3)

and

lift

the

battery

remove

section

off

bracket.

clip

the

for

Battery

clip

assembly

Battery

(7),

with

(6)

bracket

(3)

Battery

clip

connector

Section

(4)

6:

Disassembly

Guide

Bottom

chassis

mylar

Figure

Speaker

To

remove

1.

2.

Top

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.

+. + *

To

remove

and

Speaker

the

speaker:

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access

gaining

for

The

steps

for

obvious

are

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must

remove

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shield CPUPCB Battery

fuse

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the

top

access

by

(8)

6-3:

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to

the

speaker

to

removing

inspection.

the

top

and

oximetry

wiring

connections

shield:

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by

following

components.

the

speaker

shield

to

gain

module

and

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and

access

to

CPU

Components

the

instructions

the

associated

to

the:

PCB

in

this

speaker

280184/35

section

brackets

1.

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access

for

gaining

2.

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troubleshooting

to

access

the

battery

the

top

to

(following

and

shield

by

following

components.

instructions

need

to

have

power

the

instructions

in

this

applied.

in

section)

unless

this

section

you

are

N-180

Pulse

Oximeter

Service

Manual

_

8.

4.

Remove

Rotate near

top

the

CPU

two

screws

shield

back;

top

shield

being

slide

(23)

that

careful

tabs

holdd

out

top

shield

of

transformer

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lift

free.

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to

standoffs

wires

below

that

(figure

enter

6-4).

notch

Transformer and

bracket

(74) & (75)

(73)

280184/40

Figure

Transformer

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remove

filter

details)

1.

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2.

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8.

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illustration).

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5.

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6

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7.

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soldered

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and

replace

follow

access

to

for

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top

shield

connector

two 6 mm

transformer.

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filter

to

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the

transformer

these

steps:

the

transformer

access

following

on

hex

nuts

and

determine

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bottom ground

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(figure

by

following

to

components.

instructions

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PCB

connector

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PCB

connector

holding

if a ground

lug

the

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6-5,

which

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instructions

in

this

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transformer

strap

of

the

filter.

also

section.

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(item 4 in

to

transformer

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illustrates

in

illustration)

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this

bracket.

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wire

filter

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filter

replacement

the

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filter

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110V

do

not

transformers

have

these

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wire,

remove

lug

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2-inch

kit).

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as

given

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4

in

5

the

this

the

filter

length

instructions

of

section.

wire

10)

for

6:

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and

solder

is

included

removing

a

in

the

and

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」

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before

Figure

wire

inside

soldering.

6-5:

——

Detail

Transformer

A

and

AC

Filter

Details

AC

of

027957A/05-1

filter

(part

AC

inlet)

27957A/05-2

9.

Position

replacement

transformer

on

studs.

67

N-180

Pulse

Oximeter

Service

Manual

10.

Connect transformer

a.

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connector

illustration).

b.

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illustration).

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illustration).

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stud

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13,

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AC

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AC

replace

(item 1 in

there

is a green

wire

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filter

the

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is

wiring

black

and

white

on

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switch

blue

wires

yellow

filter

wires

ground-wire

the

illustration).

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yellow

transformer

bracket

stud.

leads 1 and 3 to

hex

nuts.

and

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part

of

the

AC

filter:

as

follows:

wires

portion

to

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to

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on

wire

position

transformer

inlet

and

(2-pin

of

AC

PCB

connector

PCB

connector

the

rear-most

(item 3 in

the

corresponding

control

connector)

inlet

assembly

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transformer

the

illustration)

bracket

assembly.

to

(item 5 in

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(item 4 in

lug

studs

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mating

(item 2 in

bracket

on

the

using

two

remove

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front

6

and

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access

for

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remove

a.

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the

b.

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bracket

inlet

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to

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AC

access

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to

inlet

screw

rear

panel

remove 6 mm

stud

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assembly

out

left

side

and

control

replacement

lug.

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ground

the

lug

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2-inch

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by

components.

assembly

holding

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assembly.

monitors

to

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transformer

of

rear

assembly

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inlet

wire

length

following

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includes

inlet

hex

nut

do

panel

assembly

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filter

for a ground

is

not

soldered

of

wire

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instructions

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assembly

on

the

not

have a ground

stud).

are

attached

to

is

included

filter):

to

right

rear

most

and

attached

with a single

wire

the

lug, in

in

this

section

side

member

transformer

wire

from

AC

power

screw).

on

the

bottom

solder a ground

the

replacement

the

of

AC

kit).

>

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stud

filter

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AC

(item 1 in

into

position

right

filter

the

side

ground-wire

illustration)

on

the

bottom

member

of

rear

on

the

rear-most

while

simultaneously

assembly.

panel

assembly

transformer

sliding

to

AC

inlet

bracket

AC

inlet

and

control

assembly.

Section

6:

Disassembly

Guide

Battery

The

you

remove

routes

1

PCB.

3.

Middle

You bottom

*

oximetry

1.

Fuse

battery

fuse

the top

between

the

Disconnect

Disconnect module.

Use a small

Shield

have

to

remove

shield

Gain section shield.

Disconnect

module

Remove bottom

assembly,

module

access

for

(not

two

shield

gaining

is

in a fuse

shield

CPU

PCB

the

battery

the

ribbon

flat

blade

and

Oximetry

the

middle

Here

(figure

to

the

6-6).

middle

access

sensor

connector

illustrated

screws

and

standoffs.

holder

you

wire

that

can

see

and

the

connector

-

cable

between

screwdriver

Module

shield

is

how

to

shield

by

to

components;

cable

in

figure).

washers

is

soldered

the

fuse

oximetry

that

the

CPU

to

gently

to

gain

remove

following

from

connector

that

hold

to

beneath

module.

connects

PCB

pry

access

the

middle

the

remove

middle

the

CPU

PCB.

the

connector

To

replace

to

CN4

and

the

fuse

from

to

components

shield

instructions

the

battery

JP1

of

oximetry

shield

assembly

Once

that

the

fuse:

on

the

CPU

oximetry

the

holder.

in

the

and

in

this

and

top

onto

Rotate ribbon

.

Lift

To oximetry

middle cable

from

oximetry

completely

module

shield

oximetry

module

remove

to

assembly

and

middle

oximetry

the

middle

to

module

medule,

shield.

gain

some

JP5.

shield

clearance

©

assembly

remove

three

and

free.

screws

disconnect

holding

6-9

N-180

Pulse

Oximeter

Service

Manual

Middle middle

Washer and

CPU

connectors

“

(11)

(15)

shield shield

(82)

spacer

PCB

(12)

(13)

(17)

(18)

(47)

and

insulator

(83)

Oximetry

(46)

module

(84)

CPU/oximeter

module

cable

28018A/45

(24)

CPU

The have

the

1

2.

3.

4.

Y

PCB

and

CPU

PCB

to

first

CPU

PCB

Remove

Lift

bottom

Remove screw

holds

fastened.)

Figure

LCD

can

remove

(figure

middle

three

6-6:

PCB

be

removed

the

oximetry

6-7):

shield

screws

20-conductor

2-conductor

shield

free:

four

screws

the

mylar

Middle

as a single

following

that hold

ribbon

speaker

that

fasten

insulation

Shield

unit.

module

and

instructions

the

bottom

cable

from

cable

on

CN1.

CPU

PCB

in

place;

Components

To

remove

the

middle

in

this

shield

to

CN2.

to

bottom

you

can

the

CPU

shield.

section.

the

bottom

shield.

leave

this

PCB

To

remove

cover.

(A

fifth

screw

you

6-10

:

CPU

PCB

(40)

Section

6:

Disassembly

Guide

Mylar

insulation

CPU/

bottom

Speaker

Rear

The

rear fasten rear

panel

1.

Remove

(19)

shield

cable

(68)

brackets

standoff

Panel

panel

to

the

(20)

and

(69)

(70)

Figure

Assembly

assembly

AC

assembly:

bottom

power

shield

6-7

has

a

inlet

following

Bottom

left

and

control

Shield

and

a

right

assembly.

instructions

AC

inlet

(1)

Components

member;

Here

in

this

Rear

panel

Ground

(36)

these

members

is

how

to

section.

Screw

(45)

assembly

lug

28018A/50

remove

the

2.

Disconnect transformer

3.

Lift

Fuse

in

The

two

part

of

1.

Gain

a.

b.

e.

rear

panel

the

AC

fuses

for

the

AC

power

access

Remove

Insert

the

rear

‘Carefully

There

AC

filter

bracket

(including

Power

the

to

AC

a

screwdriver

panel

are

monitor

inlet

the

fuses

power

(figure

pry

the

two

fuse

Inlet

ground stud.

AC

Assembly

are

and

control

as

cord.

or

fuse

holders

lead

from

power

installed

assembly.

follows:

other

6-8).

holder

suitable

door

behind

transformer

inlet

assembly)

in

respective

To

tool

down

the

fuse

replace

into

and

out

holder

rear

up

and

fuse

a

the

rear

(figure

door.

most

out.

holders

fuse:

panel

6-9).

that

slot

are

on

611

N-180

Pulse

Oximeter

Service

Manual

Fuse

drawer

(34)

—

Slot

CSA

label

(U.S.

only) o andrearpanel(52)

Label

(87) & (88)

S/N

label

barcode

(40)

9

0,0

To the

out.

Only

Remove

each

E >

remove a fuse

white

arrow

one

fuse

remaining

fuse.

Equal terminal

Figure

embossed

holder

(A

©

y

ob]

potential

(86)

6-8:

AC

holder

is

fuse;

Ol

D

insert

withdrawn

UL

label

(U.S.

Power

the

on

the

examine

only)

Inlet

blade

fuse

in

the

both

Gasket

(43)

and

Control

of a small

holder

fuses

(not

illustration.

and

고

À

Dip

switch

(71)

Assembly

screwdriver

illustrated)

determine

condition

cover

28018A/55

behind

and

pry

of

Slide a new

held

the

determining

Replace

fuse

of

blown

remaining

fuse

correct

the

correct

(follow

rating).

fuse.

the

rating

legend

into

on

the

fuse

the rear

holder

panel

that

when

previously

6-12

Fuse

holder

(33)

Fuse

drawer

(opened)

Section

6:

Disassembly

Guide

280184/60

Figure

|

Separating

Front

Panel

Assembiy

The

front

on

either

1.

Gain access

2.

Release

(figure

3.

Remove Phillips

4.

©

Release connector

connector

6.

Grasp

From

panel

side.

To

access

to

components

ribbon

6-10)

front

head

from

(to

.

front

Bottom

assembly

remove

to

the

front

cable

from

CN2

panel

screw

10-pin

male

connector

panel

at

Cover

has

the

in

retainer

ground

located

retainer

top

a

front

panel

this

of

CPU

edge

6-9:

Fuse

groove

panel

following

section.

clip

PCB.

wire

from

at

the

clip

holding

of

oximetry

and

Holder

that

fits

into

assembly:

the

instructions

and

disconnect

the

chassis

front-left

lift

module)

free

battery

the

of

the

ribbon

by

sensor

and

bottom

cover

for

gaining

cable

removing

hold-down

cable

assembly

disconnect

cover.

housing

assembly

the

bracket.

sensor

6-13

N-180

Front

PCB

Pulse

panel

(31)

set

Oximeter

Service

LED

Manual

Drive

PCB

(44)

PCB

(42)

LED

Drive

PCB

retention

Cable

connector

retention

Cable

clip

(43)

(53)

(10)

On/Stdby

Cip

Sensor

connector

assembly

(50)

ning

Removing

(66)

Front

Panel

Figure

Assembly

6-10:

Components

Replaceable

LED

Drive

PCB

retention

LED

PCB

Encoder Sensor

ON/STDBY

Encoder inciudes

assembly knob

Front Panel

components

PCB

clip

assembly

connector

switch

(28)

(38)

and

bracket

Assembly

in

the front

assembly

(29)

Components

panel

assembly

Front

Lens,

include:

Encoder

nylon

panel

front

assembly

screws

washers

assembly

panel

120V

panel

240V

(60)

and

(85)

(32)

(45)

(89)

280184/65

6-14

ON/STDBY

To

remove

Gain

1. access

2.

Disconnect

8.

From

until

hold

Switch

the

ON/STDBY

access

components

to

the

interior

free

of

the

switch

Assembly

ON/STDBY

to

ON/STDBY

side

front

panel

in

place).

switch

removing

and

cable

of

the

(two

assembly:

switch

from

front plastic

following

panel

front

CN5

on

the

panei,

tabs,

gently

one

i

assembly.

LED

push

on

either

Drive

switch

side

PCB.

assembly

of

the

switch,

LED

Drive

The

LED

physical

three

on

1.

Gain

gaining

2.

Disconnect

8.

Remove

4.

Rotate withdraw

5.

Disconnect

6.

Remove

7.

Atthis

together combination:

PCB

and

Drive

PCB

and

assembly. The

each

PCB.

access

to

access

encoder

screws

encoder

bracket

membrane

screw

stage,

you

or

simply

LED

to

holding

assembly

and

LED

PCB

the

LED

connection

Drive

PCB

components

assembly

encoder

bracket

through

flex

PCB

retention

can

remove

PCB

is

achieved

and

cable

assembly

the

front

circuit

the

LED

are

connected

LED

removing

from

and

remove

panel

from

CN6

clip.

LED

PCB

Drive

Section

via

six

PCB

front

CN7

of

and

two

cutout.

of

and

PCB.

6:

Disassembly

together

electrical

following

panel

LED

Drive

bracket.

nylon

LED

PCB.

LED

Drive

To

remove

Guide

in a single

connectors,

instructions

assembly.

PCB

É

spacers;

PCB

the

for

a.

Remove

b.

Remove

c.

To

This

on CN3

Sensor

Remove the

1.

2.

8.

Connector

the

sensor

connector.

Gain

access

removing

Remove

three

screws

the

mated

separate

action

the

on

sensor

front

screws fastening

sensor

PCBs,

disconnects

LED

Drive

the

LED

Assembly

connector

To

to

sensor

panel

connector.

PCB.

remove

connector

assembly.

holding

LED

PCB

simply

three

PCB

that

to

replace

the

connector

LED

PCB.

and

the

pull

the

PCEs

10-pin

respectively

the

sensor

assembly

connector

housing

LED

Drive

apart.

connectors

connect

connector

assembly:

following

to

instructions

sensor

PCB.

(CN2,

to

CN1,

assembly

door

CN3,

CN4)

CN2,

for

(figure

and

door

or

6-11).

6-15

N-180

Pulse

Oximěter

Service

Manual

Ground

Sensor

assembly

connector

(35)

To

CPU

Sensor

PCB

door

lock

B

Door

(67)

plate

Screw

(26)

(63),

2

places

280184/70

Figure

Bail

and

Feet

The

bail

is

a

the

monitor

tension.

L

2.

3.

4

To

Turn

Extend

Push

in

The

feet

and

pull

remove

monitor

formed

for

easier

bail

as

on

end

are

held

clear.

6-11:

Sensor

piece

of

wire

viewing

the

bail

and

upside

down

illustrated.

pieces

until

in

place

Connector

stock

(figure

feet:

on

a

flat

you

can

with

glue.

that

6-12).

clean

lift

To

Assembly

folds

down

The

bail

surface.

bail

free.

remove

Components

to

elevate

is

held

a

foot,

grasp

in

the

place

with

front

by

pliers

of

6-16

Section

Foot

Bail

6:

Disassembly

(55)

(2)

Bottom

cover

280184/75

Guide

(9)

Figure

6-12:

Bail

and

Feet

Sue

6-17

SECTION

INTRODUCTION

7:

PERFORMANCE

introduction

Required Building

Testing

Safety

This tests

perform

performance

remove

Test

the

Test

Performance

Tests

section

in

this

as

specified

the

monitor

describes

section

test.

AND

Equipment

Adapters

performance

upon

in

Continue

cover

SAFETY

and

Fixtures

completion

any

test,

until

to

perform

and

of

repair

the

monitor

these

TESTS

safety

test

any

repair

the

monitor,

passes

tests.

procedures.

work.

If a monitor

and

repeat

all

tests.

Perform

the

safety

You

need

the

fails

and

not

to

REQUIRED

TEST

Note:

EQUIPMENT

Table

test

adapter

you

must

Item Test

Bio-tek

analyzer

Digital Durasensor

RCAL

RCALLO Oxisensor

Pulse

Incorrect

affect

must

perform

equipment

7-1

lists

you

fabricate.

adapter

370

or

multimeter

HI

fixture

oximeter

performance

monitor

the

specified

required

must

Table

one

equivalent

tester

of

safety

fabricate

or

procedures

in

this

test

equipment.

7-1:

Required

safety | Must

the

procedures

accuracy.

(figure

To

as

described,

section.

The

7-1).

Test

Description

Fabricated

meet Advancement Instrumentation

Fluke

Type

Nellcor

Fabricated

Fabricated Nellcor

Nellcor

described

ensure

first

Likewise,

Equipment

DS-100A

D-25 PT-2500

continued

using

item

by

customer

current

of

87

or

by

customer

by

customer

in

this

only

the

in

the

table

there

are

.

Association

Medical

(AAMD)

equivalent

or

specifications

equivalent

section

accuracy,

test

is a special

two

fixtures

for

the

may

you

BUILDING

THE

TEST

ADAPTERS

You

* *

Here

L

2..

8.

AND

need

the

One

9-pin

One

connector

Wire

are

the

Connect a conductor

Connect

Solder

FIXTURES

following

male

hood

directions

respective

ends.

.

parts

D-type

for

to

ends

to

build

connector

building

each

of

each

test

adapter

test

adapter

of

the

connector.

conductor

one

(figure

one:

together.

7-1):

N-180

Pulse

Oximeter

Service

Manual

|

You

need

*

Two

e

Two

*

Two

e

Wire

Here (figure

1.

Solder of a D-type

2.

Connect a 0.1

3.

Adjust

the

9-pin connector

10

kilohm,

are the

7-2):

10

potentiometer

6) ©

following

male

directions

kilohm potentiometer

(40)

(66)

©

O

parts

D-type

hoods

10-turn

for

connector.

percent

(2)

06

©

Figure

7-1:

to

connectors

trimpot,

building

Ohmmeter

for a 9,760

build

Test

Adapter

the

RCAL

potentiometers

test

adapter

leads

across

between

Ohm

reading.

Suitable

mate

pin 1 and

connector

with

One

HI

and

one,

the

pin 1 and

safety

to

analyzer

RCAL

LO

fixtures:

RCAL

HI

adapter

pin 6 respectively

6.

Fixture

test

adapter

in

the

or

battery

the

10K

one,

correctly.

following

after

performing

is

bully

monitor.

except

To

fully

order.

charged,

you

the

Figure

Test

adapter

adjust

TESTING

How

PERFORMANCE

to

Charge

the

Perform

exercise

1.

2.

3.

4.

Battery

Perform battery perform

Battery

Pulse

Data

two

the

potentiometer

these

tests

monitor

operation

charge

oximetry

output

this

procedure

operation

this

procedure

is

constructed

to

verify

operation,

function

test.

7-2:

to

6,040

the

perform

to

fully

In

addition,

before

RCAL

the

same

Ohms.

monitor

these

charge

attempting

the

to

insure

Hi

Test

way

as

is

operating

tests

battery,

the

to

repair

1.

Connect your

monitor

to a an

as

labeled

AC

on

power

back

source

panel

that

near

matches

input

requirements

connector.

of

2.

8.

Set

back

Charge

panel

battery

POWER

for

at

switch

least

14

hours.

to

Section

on.

7:

Performance

and

Safety

Tests

Testing

Battery

Pulse

Oximetry

Operation

The with

1,

2.

3.

Function

These

monitor

the

Charge

is

specified

display

battery

backlight

for a minimum

Connect a Nellcor

Disconnect power

Set

ON/STDBY

The

monitor

Verify monitor

Allow

due

to

If

monitor

battery

functional

monitor

inlet

on

must

LOW

BATT

ceases

monitor

low

battery.

passes

following

tests

rear

switch

to

operate

on.

pulse

oximeter

from

AC

power

of

monitor.

to

ON

and

operate

light

operate

continue

this

for

is

displayed

on

operation

test,

immediately

battery.

instructions

include:

on

battery

of

at

least

in

this

power a minimum

14

hours.

tester

te

monitor.

by

pulling

verify

that

two

hours.

approximately

until

automatic

recharge

section.

AC

BATT

power

IN

USE

five

cord

minutes

shutdown

battery.

of

four

out

lights.

occurs

Charge

hours

of

AC

before

Power

Operation

Normal

Power

The

power

Self Adult Neonate

Self

Test

1.

2.

3.

Connect

Set

While monitor

turn-on

a.

b.

turn-on

with a pulse

operation

turn-on

Test

defaults

monitor

A(dult)

observing

must

The

monitor

All

LEDs

Verify

the

front

tests

Tests

tests

and

Neo

perform

light

the

panel

oximeter

verify

the

following

alarm

limit

ranges

and

alarm

to

an

Alarm

monitor

AC

DIP

front

limit

power

switch

panel,

following

sounds a dual-tone

for

duration

OXYGEN

SATURATION

each

display

tester

monitor

ranges

source.

on

monitor

set

ON/STDBY

sequence:

beep

of

beep

tone.

888

during

rear

tone

and

the

functions:

panel

switch

for

about

PULSE

beep

to A position.

to

ON. The

two

seconds.

RATE

tone.

displays

The

color

on

of

N-180

Pulse

Oximeter

Service

Manual

с.

4.

e

the

displayed

changes.

All

LEDs

The

PULSE

The

bottom

888

changes

separately

SEARCH

segment

from

light

in a scanning

display

of

pulse

green

remains

bar

indicator

to

red

when

test

pattern.

flashing.

remains

the

tone

lighted.

Adult

Defaults

Perform

alarm

1.

2.

limit

Press

button.

Press

the

button; counterclockwise.

8.

Press button.

4.

Press button; counterclockwise.

5. © Press

button..

6. | Press

button; counter-clockwise.

7.

Press

button.

and

steps

in

ranges.

and

hold

and

hold

rotate

and

hold

and

hold

rotate

and

hold

and

hold

rotate

and

hold

Alarm

the

following

HIGH

control

LOW

SAT

LOW

SAT

control

HIGH

control

LOW

RATE

Limit

SAT

knob

RATE

knob

Ranges

table

Verify

“

displays

Verify

display

85.

Verify

displays

Verify display

20.

Verify

alarm

Verify

reduces

Verify

reduces

to

check

OXYGEN

an

OXYGEN

reduces

OXYGEN

an

OXYGEN

reduces

PULSE

limit

PULSE

to a minimum

PULSE

to a minimum

the

alarm

of

adult

RATE

140,

RATE

defaults

SATURATION

limit

of

100.

SATURATION

to a minimum

SATURATION

limit

of

85.

SATURATION

to a

minimum

displays

display

of

55.

display

of

55.

and

of

an

8.

Press

and

hold

LOW

button;

rotate

RATE

control

knob

Verify

PULSE

reduces

RATE

to a minimum

display

of

20.

counterclockwise.

9.

Press

and

hold

audio

alarm

off

Verify

button.

displays

RATE

10.

Press

and

hold

audio

alarm

off

Verify

button

counterclockwise.

11.

Press button clockwise.

12.

Set

and

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