Gilras Grk-6000 User manual

ser's

anua

Auto Ref/Keratometer GRK-8000

r

.,..,f,Cs

,

GRK-8000

)

•

Usage

precautions

Before

use

CAUTION

•

Do

not

use

th

e

device

for

other

than

the

intended

purpos

e.

We

are

not

respons

ible

for

acciden

ts

or

ma

l

functions

caused

by

careless

use.

•

Be

sure

to

read

the

manual

prior

to

operation

of

the

device

to

understand

the

safety

precautions

and

operat

ing

procedures

thoroughly

.

Us

ing

th

e

dev

i

ce

for

pur

poses

other

than

specified

in

this

manual

may

cause

unexpected

malfunct

i

ons

and

/

or

adve

r

se

events.

•

Never

disassemble

nor

touch

the

inside

of

the

device

.

This

may

resuIt in

electr

ic

shock

or

malfunct

i

on

.

•

In

sta

ll

th

e

device

in

an

environment

that

meets

the

following

conditions

.

The

following

cond

i

tions

must

be

maintained

during

use

.

Use

condit

i

ons

Temperature: 10

to

35°C

(50

to

95°F)

Humidity:

30

to

90

o/

o(N

on-condensing)

Pressure:

800

to

1060

hPa

A pl

ace

wit

h

low

dust

A pl

ace

wit

h

little

ex

terna

l

light

A

level

and

stable

su

r

face

free

from

vibration

and

shock

If

the

device

is

not

instal

led

and

used

unde

r

the

above

cond

i

tions

, the reli

ab

il

ity

of

measured

r

esults

is i

mpaired

,

and

malfunction may

resu

lt. In

addit

ion, th

ere

is a

possib

il

ity

of

injury

if

the

device

receives

shock

and falls

down.

•

Avoid

storing

the

device

where

it

is

exposed

to

ra

in

or

water

,

or

poisonous

gas

or

liquid

is

present.

Cor

r

os

i

on

or

malfunctio

n

of

the

device

may

occu

r.

•

Avoid

installing

the

device

where

it

is

exposed

to

direct

air-conditioning

flow

.

Changes

in t

emperature

may

result in

condensation

inside

the

device

or

adverse

ly

affect

measu

r

ements

.

•

Be

sure

to

use

a

(HOS

PITAL

GRADE)

wall

outlet

which

meets

the

power

specification

requirements

.

If

the

l

ine

voltage

is

too

high

or

too

low

,

the

dev

i

ce

may

not

per

form

properly.

Malfunction

or

fire

may

occur

.

•

Connect

the

power

plug

to

a

ground

outlet.

Or

connect

a

grounding

wire

to

a

ground

terminal.

Electric

shock

or

fire

may

occurin the event

of

device

malfunction

or power leakage.

•

Never

use

a

power

strip

or

extension

cab

le

to

supply

the

device

with

power.

The

elec

trical

safety

may

be

lowered.

CAUTION •

Do

not

use

a

power

cord

other

than

the

one

provided

.

Also

do

not

connect

the

provided

power

cord

to

any

other

device.

Fai

l

ure

or

fire

may

resu

lt.

•

Do

not

place

heavy

objects

on

the

power

cord.

The

damage

d p

owe

r

co

rd

may

cause

fire

or

elec

tric

shock.

•

Before

connecting

the

cable

,

turn

off

th

e

power

switch

and

disconnect

the

power

cord

from

the

outlet

.

Ma

l

func

t

ion

of

t

he

device

may

r

esult.

•

When

the

device

is

carried

,

two

persons

should

hold

it

at

t

he

f

ront

a

nd

the

back

(both

right

and

left

sides)

.

Avoid

lifting

by

the

forehead

rest

or

main

body

instead

hold

it

by

the

bottom

of

the

base.

If

only

one

person

carries

t

he

dev

i

ce

, or ar

eas

other

than

the b

ase

are

used

fo

r

lif

ting and

the

dev

i

ce

falls,

the

re

is

a

possibi

lit

y of in

ju

ry

or

malfun

ct

i

on.

• To

transport

the

de

vice

,

use

the

special

packing

materials

to

protect

the

device

from

impact

of

dropping.

Excess

i

ve

vi

b

ration

or i

mpac

t

to

the

device

may

ca

u

se

malfunction.

•

During

installation

and

operation

of

the

device

,

observe

the

following

instructions

about

EMC

(electromagnetic

compatibility)

:

Do

no

t

use

the

dev

ice

simultaneously

wi

th

othe

r el

ect

r

onic

equ

i

pmen

t to

avoid

e

lec

t

romagn

etic i

nt

erf

ere

nc

e w

it

h

the

operat

ion of

the

dev

ice.

Do

n

ot

use

the

device

nea

r, on,

or

unde

r ot

he

r

electronic

equi

p

ment

to

avo

id

elec

t

romagne

tic inte

rf

er

ence

w

it

h t

he

operat

ion

of

the

dev

i

ce.

Do

n

ot

use

t

he

device

in t

he

same

room

wi

th other equi

pment

such

as

life-support

equipme

nt

, other

eq

u

ipmen

t t

hat

has

ma

jor a

ff

ec

ts

on the life

of

the

pati

en

t

an

d

res

ults of tr

eatment,

or

ot

her

measurement

or

tr

eatme

nt

equ

i

pment

that

involves

small

el

ectric

cur

r

ent.

Do

n

ot

use

t

he

dev

i

ce

si

multaneo

u

sly

with

portab

le and

mobile

ra

d

io

frequency

comm

u

nica

t

ion

systems

because

it

may

have

an ad

verse

effecton operation

of

the

dev

i

ce.

Do

n

ot

use

ca

b

les

and

accesso

r

ies

that

are n

ot

spec

ifi

ed

for

t

he

device

because

that

may in

creas

e

th

e

emission

of

el

ect

r

omagne

t

ic

waves

fro

m the devi

ce

or

the

system

and

decrease

the

imm

u

nity

of

the

device

to

elec

t

romagnetic

disturbance.

•

The

Electromagnetic

Compatibility

Directive

sets

the

essential

requirements

for

electrical

and

electronic

equipment

that

may

disturb

,

or

be

disturbed

by

During use

CAU

TI

ON

other

equipment

.

Follow

the

guidance

in

the

tables

for

u

se

of

the

device

in

an

electromagnetic

env

i

ronment

.

•

Before

use

, p

erf

orm

visual

and

operation

checks

.

If

abnormal

conditions

are

encountered

,

stop

using

the

device

.

If

the device

is

used underabnormal conditions,

intended

results

may

not

occur

.

Also

une

x

pected

mal

f

unctions

or

health

hazards

may

occur

due

to

improper

measurement.

•

Before

treating

each

patient

,

clean

the

patient

's

contact

area

(ch

in

rest

and

foreh

ead

rest

) wi

th

clean

absorbent

cotton

or

gauze

dampened

with

rubbing

alcohol.

If

chinrest

paper

is

used, remove

one

piece

for

each

patient.

For

severe stains. \Yipe the area notwitha

dry

cloth butwith gauzedampened \Vith

alcohol.

•

Keep

the

measuring

window

free

of

fingerprint

s

and

dust.

Themeasurement

accuracy

may decreasesubstantially.

• In

th

e

event

of

s

moke

or

s

trange

odors

, i

mmedi

ately

turn

off

the

device

and

disconnect

the

power

plug

from

the

outlet.

After

you

are

sure

that

the

smoke

ha

s

stopped

,

then

contact

us

or

your

authorized

distributor.

Usage

of

the

device

under

such

abnormal

conditions

may

cause

f

ire

or

electric

shock. In

case

of

fire, use a

dry

chemical (ABC)extinguisherto extinguish the fire.

• I

mmediately

replace the power

cord

if

the

internal

wires

are

exposed,

the

dev

ice

turn

s on

or

off

when

the

power

cord

is

moved

,

or

the

cord

and/

or

plug

are

too

hot

to

be

held

w

it

h

hands

.

This may

result

in el

ectric

shock

or

fire.

In the

event

of

malfunction,

disconnect

thepowercord from the'vall outlet.

Never

touch the inside

of

t

he

device.

•

Never

press

on

the

LCD

with

a

hard

object

s

uch

as

a

ball-point

pen

.

Keep

magnetic

objects

away

from

the

LCD.

The device

may

bedamaged.

•

Do

not

operate

the

LCD

with

wet

hands

.

Water seeping

into

t

he

device may result in fa

ilure

of

the device.

•

There

may

be a

few

dead

or

constantly-

l

it

pixe

ls

in

your

LCD. Th

is

do

es

not

represent

failure

of

the

LCD;

This

is

due

to

the

structure

of

the

LCD.

CAUTION •

This

device

has

been

tested

and

found

to

comply

with

the

limits

for

medical

devices

to

the

IEC 60601-1-2: 2001/

am1:

2004,

and

Medical

Device

Directive

93

/42/EEC.

These

limits

are

designed

to

provide

reasonable

protection

against

harmful

interference

in a

standard

medical

installation.

This

device

generates

,

uses

and

can

radiate

radio

frequency

energy

and

,

if

not

installed

and

used

in

accordance

with

the

in

structions

,

may

cause

harmful

interference

to

other

devices

in

the

vicinity

.

H

owever

,

there

is

no

gua

rant

ee

that

interference

will

not

occur

in

a

particular

installation.

If

this

device

does

cause

harmful

interference

to

other

devices,

which

can

bedetermined

by

turning

the

device

off

andon,the user

is

encouraged

to

try

to

correct

the

interference

by

one

or

more

of

the

following

measures

:

If

this

device

does

cause

harmful

interference

to

other

devices

,

which

can

be

determined

by

turning

the

device

off

and

on

,

the

user

Is

encouraged

to

try

to

correct

the

interference

by

one

or

more

of

the

following

measures

:

Reorient

or

relocate t

he

receiving

device

.

Increase the

separa

t

ion

bel\

veen the

devices

.

Connect

the

device

to

an

outlet

on

a

circuit

different

from

that

to \vhich t

he

other

device(s)

are

connec

ted.

Consult

the manufact

urer

or

field

service

technician for help.

•

The

device

is

Class

A

(CISPR1

1

cla

ss

ification)

.

It

is

allowed

in

domestic

establishments

when

used

unde

r

ju

r

isdiction

of

a

health

care

professional.

•

Never

use

the

device

with

cab

les

or

accessories

other

than the

designated

ones.

Malfunct

ion

caused

by

i

mproper

electromagnetic

compatibility

(E

MC

)

charac

t

eris

tics mayresult.

•

Never

use

portable

or

mobile

radio

frequency

(RF)

devices

in

the

vicinity

of

this

device

.

Thesedevices

may

adverselyaffect medical electrical equipmentand malfunction

may

result.

After

use

CAUTION

•

This

device

uses

a

heat-sensit

i

ve

pri

n

ter

paper

.

To

keep

the

printed

data

for

a l

ong

period

of

time

,

make

copies

of

the

printouts.

The

paper

degrades

over

ti

me

and

the

printed

data

may

become

ill

egible.

• Wh

en

the

device

is

not

in

use

,

turn

off

the

power

switch

and

put

the

dustcover

over

the

device.

If

not,

dust

may

affect

the

measu

r

ement

accuracy.

• Do

not

yank

the

power

cord

to

di

sconnect

it

from

a

wall

outlet

but

ho

ld

the

plug.

This

can

damage

the

metal

core

of

t

he

cord

and

may

resu

lt

in fire,

short

ci

rcuit

or

electric

shock.

•

Occasionally

cl

ean

the

prongs

of

the

main

plug

with

a

dry

cl

oth.

If

dust

sett

les

between

the

prongs,

the

dust

will

co

lle

ct

mo

i

sture,

and

short

circuit

or

fire

may

occur.

• If

the

device

wi

ll

not

be

used

f

or

a l

ong

time

,

disconnect

the

powe

r

cord

from

the

wall

outlet.

Fire

may

occ

u

r.

•

Maintain

t

he

surrounding

temperature

and

humid

i

ty

in

the

fo

ll

owing

ra

n

ges

during

transport

and

storage

of

the

dev

i

ce.

Environmental

conditions

Temperature:

-10

to

55°C

(14

to

131°F)

Humid

it

y: 10

to

95o/o

(non

-c

ondensing)

Atmospheric

pressure:

700

to

1

060

hPa

A pl

ace

with

low

dust

A pl

ace

not

exposed

to

direct

sunl

i

ght

• Wh

en

transporting,

pack

the

main

body

in

the

original

packing

mater

i

al

with

the

fixing

leve

r un

locked.

Ex

cess

i

ve

vibrat

i

on

or

impact

may

cause

device

malfunct

i

on.

Maintenance

and

check

CAUTION •

Only

service

technicians

properly

trained

by

us

can

repair

the

device.

We

are

n

ot

re

sponsib

le

for

any

acc

i

de

nt

s r

es

u

lt

ed f

rom

i

mprop

er se

rvic

ing.

•

When

performing

maintenance

work

, se

cure

sufficient

maintenance

space.

Maint

e

nance

work

in an

insuffic

i

ent

space

may

result in inj

ury

.

•

When

the

device

is

sent

back

for

repair

or

maintenance

,

wipe

the

surfaces

(especially

,

the

area

where

patients

contact)

of

the

device

with

a

clean

cloth

dampened

with

ethyl

alcohol

for

disinfection.

Contact

us

or

your

authorized

distr

i

butor

to

check

whether

the

device

needs

measurement

accuracy

calibration

if

the

AR

-

measured

results

are

substantially

different

from

subjectively

measured

results

.

Table

of

Contents

1.

BEFORE

USE

........

.

..

.

..

.

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

.

..

.

..

.

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

.

.....

.

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

.

....

.

....

.

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

.

..

...

.1

1.1

Outline

of

the

Device

1

1.2 I

ntended

Use

1

1.

3

Princ

i

ples

1

1.4

Conf

i

guration

2

1.

5

Meas

urement

Screen

Layout

5

1.6

Checking

Contents

7

1.7

Before

First

Use

7

2.

OPERATING PROCEDURES

··················

····························

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

a

2

.1

Operat

ion

Flow

2.2

Preparation

for

Measurement

2.2.1 Sleep mode

2.2.2. Finish measurement

2.3

AR

(refractive

e

rr

or)

Meas

urements

2.4 KM

(corneal

curvature

rad

ius

)

Measurement.

(KER

Series

)

2.5

SIZE

Measurement.

(KER

Series

)

2.6

Print

ing

2.6.1 Pr

in

t

in

g measured data

2.6.2 Printing parameter settings

2.6.3 Replacing Prin

ter

Pa

per

2.7

Parameter

tables

2.8

Main

Paramete

r

tables

2.9

Sett

ing the

date

and

time

2.1

O Setting

the

company

8

11

12

13

14

15

16

17

18

3.

SPECIFICATIONS AND ACCESSORIES

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

13

3.

1

Specif

i

cat

ions

3.2

Standa

rd

Configu

r

ation

18

19

BEFORE

USE

1.1

Outline

of

the

Device

The

dev

i

ce

wh

i

ch

objec

ti

vely

measures

refractive

erro

rs

of

sphere

,

cy

l

inde

r,

and

axis.

Refract

i

on

is

ma

inly

performed

as

a

reference

for

lens

prescript

i

on

to

correct

the

visua

l

acu

it

y

usi

ng gl

asses

or

contact

len

ses.

This

device

is

a si

ng

le

unit

with

the

main

body

mounted

on a

base.

The

base

is

provided

with

a chinr

es

t

on

the

patient

si

de

and

an

LCD

panel

,

operating

bu

ttons,

joystick,

and

prin

ter

to

fac

il

itate

alig

n

ment

and

other

ope

r

ations.

The

device

offers

the

following

feat

u

res

in addi

tio

n

to

the

above

features:

•

The

device

is

provided

w

it

h

an

auto

track

i

ng

mecha

n

ism

that

achi

eves

al

ignmen

t in

the

up-and-down

direct

i

on

.

• An

auto

shot

funct

ion

is

prov

i

ded;

measuremen

ts

to

be

taken

au

tomatically

when

the

dev

i

ce

is

best

aligned

and

in

focus

.

• A

motorize

d

up

-

and

-

down

chi

nrest

allows

the

operato

r

to

easily

adjus

t the h

eight

of

t

he

chin

res

t.

•

Printer

h

as

a

paper

auto-c

ut

f

eature

.

1.2

Intended

Use

The

Au

to

Re

fr

act

o

me

t

er

is

a di

agnostic

device

tha

t

is

indicated

for

use

in the

automated

measurement

of

refract

i

ve

errors

of

the

eye

.

Th

e

Auto-Re

f/

Keratometer

is

a

medica

l

app

l

iance

whic

h

performs

measurement

of

the

refract

i

ve

errors

of

the

eye

and

co

r

neal

radius

of

curvature.

1.3

Principles

Fi

ne

meas

u

rement

beams

are

pr

ojected

on

the

fund

us

of

the

pat

ient

's

eye

by

a

projecting

opt

ical

system

and

th

en

computation

is

pe

r

formed

by

captu

ring the

reflected

beams

as

a

r

ing

image

to

measu

re the

refract

i

ve

errors

(SPH,

CYL

,

and

AX

IS)

of

the

patient's

eye.

1

1.4

Configuration

2

Fr

ont vi

ew

1, Function

buttons

2.

LCD

3.

Power

Light

4.

Measure

button

6.

Locking

lever

7.

Power

switch

8.

Printer

cover

9.

Cover

open button

1.Function

buttons

Set

the

device

and switch the screen.

Functions

assi

gned

to

the function buttons are di

splayed

by

icons

on

the

screen.

Two

buttons

in

the

lower

left

corner

of

the

screen

have

unique

functions

when

the

measurement

screen is

displayed.

•

Clear

button (

''

)

Erases

measured

data.

When the

clear

button is held

for

about

a

second

, all

the

measured

data

is

erased.

•

Print

button

(

~

)

Pressing

this

button can

print

out

the

measured data.

2.

LCD

5.7-inch

LCD.

Pul

ling

the

bottom

of

the

disp

l

ay

panel

provides

an

adjustab

le

viewing angle.

For

measurementin a standing posture, set the panel

at

a suitable angle. Thepanel isresetto

its origin

al

position

by

magnet.

3.

Power

Light

The

power

light

is

on,

indica

ting

that

the devi

ce

powers

on

proper

ly.

4. Measure

button

When the

measure

button

is

pressed,

measurement

is

taken

regard

l

ess

of

the

alignment

or

focusing

cond

it

ion

of

the

device.

5.

Joystick

Used for ali

gnment

and focusing.

Alignment

in

the

right

and l

eft

directions

can be performed by moving thejoystick to the right

and left.

Rotating

the

joystick

is

fo

r ali

gnment

in

the

up

and down

direct

i

ons.

For

focusing,

move the

joystick

forward

and backward.

6. Locking

lever

Secures

the main

body

to the

base

.

To

l

ock

the

main

body

, press

the

l

ocking

lever

down.

7.

Power

switch

Turns on the

power

to

the

device

.

8.

Printer

cover

Protects a

printer

equipped with an autocutter. Open the

printer

coverto replace printerpaper

by

pressing

the

cover

open

button.

9.

Cover

open

button

Opens

the

printer

cover

.•

Rear

view

10

.

For

ehead rest 13. Eye

leve

l

marke

r

11.

Measuring

--+,~--'"

-'i

window

14. Chinrestup/down button

3

4

10.

Forehead

r

est

During

measu

r

ement

, the

patient's

forehead

shou

ld

be

gent

ly

res

t

aga

i

nst

the

forehead

rest.Clean

the

chin

rest

for

each

patient.

11

.

Measuring

window

Check

the

window

clean

li

ness

before

measu

r

ement.

12.

Chinrest

Clean

the chinr

est

for

each

pat

i

ent.

13.

Eye

level

marker

Used

as

a

guide

for

the

patient's

eye

l

evel

during

measurement.

The

height

of

t

he

ch

i

nrest

should

be

adj

u

sted

so

that

t

he

center

l

evel

of

t

he

patient

's

eye

roughly

ali

gns

wi

th

this

l

ine

.

14

.

Chi

n

rest

up

/

down

button

Moves

the

chin

rest

up

or

down

.

15

.

PD

window

An

LED

is

provided

to

detect

the PD

value.

Underside

view

- -

•

16.

Power

i

nlet

Adetachable

power

cord

is

co

n

nected

here

.

16.

Power

i

nlet

1.5

Measurement

Screen

Layout

19.Auto

20.

Auto

1.

Pat

ie

nt

's eye

2.

Reset

button

3.

Fundus

circle

---+-

--"'-

-t--

17.

Measure

mode

18.

VD

--,

,'

...

16.

CYL

mode

15. Focusing indi

cator

14. Menu

button

13.

Measuring

wi

ndow

4.

Circle

display

--1---1

button

5. Chi

nrest

limit

, I

ff

\

f'

I ,

\ /

,,

,

...

....

__

...

lim

it

~

12.

Measure

mode

button

...

6.

Auto

track

ing

-----

·

button

7. H

istory

button

8.

Measured

va

l

ues

1.

Pat

i

ent's

eye

1

s -4.50

c

-0.

50

A 69

R 2

R1

7.62

R2

7.62

AA

0

pl

9. PD

Indicates

the

right

or

left

eye

of

the

patient.

2.

Reset

button

(

''

)

Rest

the

device

to ini

tia

l state.

3.

Fundus

circle

L 2

s -5.25

c -

0.75

A 147

10.

Print

button

After

a

measurement,

you

can

observe

the

stored

ret

ina

image

by

pressing

the

circle

display

key

.

If

the

i

mage

is

an

i

ncomplete

circ

le,

the

measurement

is n

ot

re

li

ab

l

e,

and should be

made

once

again. I

ncomp

l

ete

retina i

mages

may

be

caused

by eye

blink

ing

or

by

eye

movement.

Sometimes

it

is

beca

u

se

the

signal

reflected

from

the

retina

is

too

weak,

or

the

pupi

l

diameter

is

less

than

2.0mm,

or

the

dust

in

the

surface

of

the

lens.

4.

Circ

le di

sp

l

ay

button

Afte

r

pressing

measu

r

ement

key, a

window

will

popup

on

the

left

upper

LCD, Eyegr

oud

parameter

im

age

cycle

measured

by

i

nstrument

disp

l

ays

,

which

is

used

to

judge

the

valid

it

y

of

measurement

.Press

ing

the

key again ,

it

will

close

the

window.

5. Chin

rest

limit

When

the

chin

rest

is

at

the

upper

(or

lowe

r)

mechanica

l

lim

it,

the

uppe

r l

imit

ind

i

cator

(

~

)or

lower

limit

indicator(

~

) is

displayed

on

the

screen.

5

6

6.

Auto

tracking

button

Se

l

ects

the

auto

tracking

function.

7.

History

button

Show

the

all

measurements

8.

Measured

values

Displays

the

la

test

measured

results

.

9

PD

10.

Print

button

Print

the

measured

results

11.CYL

mode

button

Switches

cy

l

inder

mode.

CYL-

Indi

cates

cyl

i

ndr

i

ca

l

power

by -reading.

CYL+

In

dicates

cylindrical

power

by+

readi

ng

.

CYL

+ Cyl

inder

data

is i

ndicated

by+

reading

when

the

refractive

error

is

positive

for

any

axis

angle.

I

ndicates

the

cylindrical

power

by

-reading in

other

cases

.

Cylinder

mode

can

be

switched

even

after

measurement.

Data

is

printed

out

with

the

mode

status

at

the

time

of

printing.

12.

Measure

mode

button

(KER

Ser

ies)

Select

the

mode

of

REF

.

KER

. R&K .

SIZE

.

13.

Measuring

window

limit

When

the

measuring

window

at

the

upper

(or

lower)

mechanica

l li

mit,

the

uppe

r

lim

it

indicato

r ( ; )

or

lower

limit

i

nd

i

cator

(

~

)is

displayed

on

the

screen

.

y A

14.

Menu

button

Set

parameters

,

date

and

time,

and

enter

comments.

15

.

Focusing

indicato

r

I

ndicates

the di

stance

between

the

ma

in

body

and

the

patient's

eye.

Operate

the

joystick

unti

l t

he

optimum

condition

is di

splayed.

16

.

CYL

mode

Represents

the

se

l

ected

cylinder

mode.

17

.

Measure

mode

Represents

the

selected

cylinder

mode.

18

. VD

Represents

the

se

l

ected

VD

value.

19.

Auto

measure

icon

Represents

the

setting

of

the

auto

measure

function.

20.

Auto

tr

ac

k

ing

ic

on

Represents

the

setting

of

the

auto

tracking

funct

i

on

(alignment

in

the

up

,

down

directions).

1.6

Checking

Contents

Unpack

the

contents

from

the

shipping

carton

and

check

them.

The

fol

lowing

are

included

in the

standard

conf

i

guration.

·Ma

in

body

•Printer

paper

(2

rolls)

•Power

cord

·Dust

cover

•Operator's

manual

(this

book)

•Model

eye

1.7 Be

for

e

First

Use

Place

the

device

on a

stab

le

table

and

connect

the

power

cord.

1 Pl

ace

the

main

body

to

a

stable

table.

2

Lock

the

main

body

to

the

base

unit

with

the

locking

lever

and

lay

the

device

down

gently.

3

Connect

the

power

cord

to

the

power

inlet.

4

Stand

the

device

upright.

5

Confirm

that

the

power

switch

is

turned

OFF

and

pl

ug

the

power

cord

into

a

wall

outlet

(Be

sure

to

use

an

outlet

equipped

with

a

ground

terminal

, El

ectric

shock

or

fire

may

occur

in

the

event

of

device

malfunction

or

power

leakage).

6 Turn

ON

the

power

switch.

The

initial

screen

is

displayed

on the

LCD

and

the

device

starts

initializing.

7

Conf

irm

that

the

measurement

screen

is di

sp

l

ayed.

8

Load

the

printer

paper.

7

]

OPERATING

PROCEDURES

2.1

Operation

Flow

Power

ON

Measurement

Printing

Power

off

•

2.2 P

reparation

for

Measurement

Turn on the

power

switch and

set

measurement

conditions

if

necessary.

Pr

epare

the

pat

i

ent

.

2.3

AR

(refract

ive

error)

Measurements

2.4 KM

(co

rneal

curvature

r

adius)

Measurement.

(KER Ser

ies)

2.5

SIZE

Measurement.

(

KER

Series

)

2.6 Pr

int

ing

2.2.3

Fin

ishing

the

measurement

*

For

lens

presc

ri

ption

for

correction

of

visual

acuity

of

gl

asses

or

such

,

subject

ively

test

the

pat

i

ent's

visual

acuity

with

reference

to

AR-measured

data.

2.2

Preparation

for

Measurement

1 T

urn

on

the

power

switch

.

8

The in

it

ia

l

sc

reen

is

displayed

and the

device

is

in

it

ia

liz

ed.

AUTO

Re

fractometer

Cc

pyr

l

ghl

20

11.

2012

Ve

r

1.7

1

AutoRefraclometer

Ini

tia

l

sc

reen (REF)

AUTO

Ref/Keratometer

Auto

Ref

&

Keratom

e

ter

Copyrlght

20

1t·2012Ver 1.

21

Init

i

al

screen (REF/ KER)

Wait for a

while

unt

il

the

screen

is

sw

i

tched

to

the

measurement

screen.

When the

power

to

the

device

is

turned

on

,t

he

main

b

ody

makes

small right/left

movemen

ts in

order

to determine

the

initial

setting

position

for

auto

trac

ki

ng.

Thi

s

does

not

mean

that

the

device

has

bee

n

broke

n.

2 The

measurement

screen is di

splayed

.

!Bl

,,

0

•

•A•

• R

• s o.

oo

c 0.00

,..-+

···

··

..

,

. .

~

;

"·

.....

·

A 0

PO

-

0

CV\.

L

s 0.00

....

c 0.00

A 0

Measu

rement

screen

3 Perform

checks

b

efore

use

Perform the

follow

ing ch

ecks

before

use.

No

error

message

is

displayed

.

The main body

moves

smoothly

using

the j

oyst

ick.

The chinr

est

moves

up

and d

ow

n by

press

ing

the

chinres

t

up

/down button.

Pr

i

nte

r

supp

ly is

adequate.

The

measurement

accuracy

satisfies the

spec

i

fications

.

4

Estab

li

sh

measur

ement

conditions

.

The

follow

ing condi

tions

should

be specified:

..

.

. .

..

...

+

......

No F

ocus

F

ocus

.

9

10

1:

Meas

ure mode

Presstheauto

track

i

ng

button

to

selectautotrackingandselecttheauto measure on the menu.

Auto Auto Screen Description

tracking measure display

m

Auto

tracking

in the

up-and-down

directions

is

t

urned

on.

Manual

ly

ON

alignthedevicein the left-

and

-right.Measurementstartsautomatically

~

Up

and

when the eye

is

best

aligned

and

focused.

Down

m

Auto

tracking

in the

up-and-down

directions

is

turned

on.Manually

OFF

align the

dev

ice

in

the

le

ft

-and-

right

and

bring the eye i

nto

focus.

[

OFF)

Press the

measure

button

to

start

measurement.

w

Manually

al

ign

the

device

and

bring

theeye

into

focus.

ON

Measurement

starts

automatically

when

the eye is

best

al

igned

~

and

focused.

OF

F

OFF

w Manually al

ign

the

dev

ice

and

bring

theeye

into

focus

.

[O

FF)

Press the

measure

button

to

start

measurement.

2:

Measu

r

ement

conditions

set

by

parameters

Various

dev

i

ce

conditions

ca

n

be

set

by

par

amete

rs.

3: CYL

mode

The

cylinder

mode, reading direction

of

cylinderdata in which

cylinder

data

(cylindricalpower)

is

represented

during

measurement

is

se

l

ected

by

pressing

the

CYL

mode

button

.

Scr

een

displ

ay

CYLmode

Description

C

YL-

-readi

ng

In

dicates

cylindrical

power

by+

reading.

CYL+

+read

i

ng

I

ndicates

cylindrical

power

by

-

reading.

Cyli

n

de

r

data

is

indica

ted

by+

readi

ng

whe

n the

CY

L ±

Mi

x r

eading

refractive

error is

pos

i

tive

for

any

axis

angle.

Indi

cates

the

cylindr

ical

power

by -

reading

in

other

cases.

5

Prepare

the

patient

_

1)

Wi

pe

the forehead rest and chinrest that

contact

the

patient

with

clean

absorbent

cotton

or

gauze

dampened

with

rubbi

ng

alcohol.

If

a stack

of

chinrestpaperisfixed

on the

ch

inrest, removeonesheet

of

paper.

Chinres

t

--

-'<;"\""~

~

2)

Instruct

the

patient

to

take

off

glasses

or

contact

lenses

and

sit on a

cha

i

r.

3)

Have

the

patie

nt

place

his/her

chin

on

the

chin

rest

as

deeply

as

poss

ible

,

and

hi

s/her

forehead

on

the

forehead

rest

lightly.

4)

Adjust

the

height

of

t

he

chi

nrest

by

pressing the chin

rest

up/down

button until the

cente

r

level

of

the

patient's

eye

aligns

with

the

eye

leve

l

marke

r.

Before

adjusting

the height

of

the chinrest, let

the

patient

know

that

the chin

rest

moves

up

and

down.

When t

he

ch

i

nrest

is

at

t

he

up

per

(or

lower)

mechanica

l limit, the

upper

limit

indicato

r

(or

lower

lim

it

indicator)

is

displayed

on

the

sc

reen.

6

Start

me

asu

reme

nt.

See

"2.3

AR

(ref

r

active

error)

Measurements"

for

details

of

measure

ments

.

I

nstruct

the

patient

not

to

b

link

d

uring

measurement.

Additiona

l

ly

,

instruc

t the

pat

i

ent

not

to

blink

or

open hi

s/her

eyes

I

mmediately

before measu

rement

to

avoid

measurement

fail

ure

.

I

ns

t

ruct

the

patient

to

keep

both

eyes

wide

open during

measurement.

Closing

one

eye

may

cause

an

uns

tab

le

fi

xat

ion

and

the

other

eye

may

not

open

wide.

7

Print

the

measured

results.

Printing

operat

ion

var

i

es

accord

ing

to

the

parameter

setting.

2.2.1

Sleep

mode

The

device

goes

into

sl

eep

mode

automatically

to

save

power

if

no

operat

ion is

performed

for

a

certa

in

period

of

time. The ti

me

that

the

device

goes

into sl

eep

mode

can

be

se

l

ected

from

5

minutes,

15

min

ut

es

,

or

NO

(no

sl

eep

mode)

(facto

ry

sett

ing: 5

min

ut

es).

Sleep

mode

pl

aces

the

dev

i

ce

i

nto

the

following

condit

i

ons:

• The

LCD

goes

off.

The

working

status

LED blinks.

•

LCD

has

been in screen

protection

always

The

work

ing

status

LED blinks.

The

device

recovers

to

normal

mode

from

sleep

mode

by

the

following

methods:

· Pr

ess

any

button.

·Manipul

ate

the

joyst

ick

to

move

the

base

R

or

L.

2.2.2

Finishing

the

measurement

1

To

finish

the

measureme

nt, t

urn

off

the

powe

r switch.

It

is

allowed

to

turn

off

the

power

w

it

h

any

sc

r

een

displayed.

2

Check

the

measur

ing

window

and

cl

ean

the

lens

if

necessa

ry.

3 Cl

ea

n the

forehead

rest

and

chinrest,

and

put

the

supplied

dust

cover

on

the

device.

Al

ways

keep

them

clean

for

the n

ext

use.

11

2.3

AR

(refractive

error)

Measurements

12

1

Instruct

the

patient

to:

"

Look

through

the

measuring

window

.

As

you

will

see

the

picture

,

watch

the

c

enter

of

it

without

straining

''.

2

Manipulate

the

joystick

to

display

the

patient

's

eye

on

the

screen.

By

mov

i

ng

the j

oys

tick

laterally,

the

main

body

moves

ri

ght,

lef

t,

forward

and

backwa

rd.

By

turni

ng

the

upper

part

of

the

joyst

i

ck

,

the

main

body

moves

up

and

down.

Align the

eye

posi

tion to

the

measur

i

ng

po

i

nt

wi

th

r

igh

t,

lef

t, up

and

do

wn

move

ments.Adj

ust

the focus

w

it

h

forward

and

backwa

rd

movements

.

3

Perform

alignment

and

focusing

The

methods

of

ali

gnment

and

focusing

vary

according

to

the

sett

i

ngs

of

the

auto

trac

king

and

auto

sho

t.

Up-and-down

auto

tracking

1)

Per

form

rou

gh

al

ignment

and

focus

i

ng

by

mani

pul

a

tin

g

th

e

joystic

k

to

place

in the

worki

ng r

ange

of

a

uto

tr

ac

k

ing

.

2)

When

the

dev

i

ce

is pl

aced

wi

t

hin

the

wo

rki

ng

range

of

auto

t

rack

i

ng

,

it

automa

ti

cally

starts

alignm

e

nt

in

the

up

-

and

-

down

direct

i

on.

3)

Manipulate

the

j

oystick

to

move

the

mire

ring

reflected

on

the

pat

ient's

eye

with

in the

tar

get.

Auto

track

i

ng

OFF

1)

Mani

p

ula

te

the

j

oys

tick

to

pe

rf

orm

rough

align

me

nt

a

nd

focu

si

ng.

2)

As

the

f

oc

u

sing

indicator

is

di

sp

l

ayed,

manipulate

the

j

oys

ti

ck

until

the

optimum

focus

ing indi

ca

t

or

is

displaye

d.

During

t

he

foc

u

si

ng,

ma

int

ain ali

gnme

nt

betwee

n

the

device

and

the

patient's

eye.

When

main

body

is

not

within

the

working

range

of

auto

tracking

:

As

t

he

limit

ind

icato

r is displ

ayed

,

mani

pul

ate

the

j

oys

ti

ck

or c

hinr

es

t

up/

d

ow

n bu

tt

on

in

t

he

di

r

ect

i

on

of the

arrows

.

Move

the chin

res

t

up.

Move

the chin

res

t

down.

4

Measurement

starts

.

Measur

e

ments

are

ta

ken a

ut

omat

i

ca

lly

whe

n t

he

device

is

bes

t

al

i

gned

and

focuse

d

on

the

eye (when t

he

auto

measur

e fu

nct

i

on

is turned

on)

.

When

the

auto

measure

function

is

turned

of

f,

press

the

start

button

to sta

rt

measurement

5

Measurement

completes.

When

the sp

ecified

num

ber

of

AR

measu

r

ements

is

pe

rf

ormed

and the

data

is st

able

(no.

Gilras GRK-6000 User manual

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