Page 1
Welch
Binocular
OWNER’S
Indirektes
Ophtalmoscope
Oftalmoscopio
Oftalmoscopio
Oftalmoscopio
Allyn
Binokular-Ophthalmoskop
12500
Indirect
MANUAL
indirect
binocular
binoculare
Binocular
Ophthalmoscope
binoculaire
indirecto
indiretto
Indireto
IUUUUUUU
Page 2
Thank
you
for
Ophthalmoscope
of
your
new
BIO,
instructions
U.S.
Patent
Wir
freuen
(BIO)
genauen
und
Wartungsanleitungen
US-Patente
Nous
binoculaire
d’emploi
précis
Brevets
No.
uns,
12500
und
und
vous
remercions
Welch
et
et
fiable
américains
found
5,394,201
von
verlaBlichen
internationale
les
purchasing
(BIO).
please
in
this
and
daB
Sie
sich
Welch
Allyn
de
Allyn
conseils
de
votre
et
internationaux
the
Welch
To
ensure
follow
accurate
the
operating
manual.
International
fur
das
entschieden
Gerateleistung
in
diesem
Patente
angemeldet
votre
achat
12500
(BIO).
d’entretien
nouvel
instrument.
en
instance
Allyn
12500
Patents
Pending
indirekte
haben.
folgen
Handbuch.
d’un
Veuillez
pour
assurer
and
and
reliable
Binocular
maintenance
Indirect
performance
Binokular-Ophthalmoskop
Zur
Erzielung
Sie
bitte
ophtalmoscope
respecter
le
le
fonctionnement
den
Betriebs-
indirect
mode
einer
Gracias
de
de
mantenimiento
Patentes
Grazie
Welch
accurato
Welch
su
nuevo
pendientes
per
Allyn,
por
comprar
Allyn.
BIO,
aver
articolo
ed
affidabile
que
acquistato
operative e sulla
Brevetti
Agradecemos
(BIO)
confiável
e
Patentes
USA e internazionali
sua
Welch
Allyn
do
seu
manutenção
americanas e internacionais
contidas
el
Oftalmoscopio
Para
asegurar
sirvase
en
seguir
se
indican
EE.UU. y otros
12500.
da
parte
manutenzione
in
corso
compra
12500.
novo
Para
BIO,
neste
binocular
el
rendimiento
las
instrucciones
en
este
manual.
paises
l’oftalmoscopio
Per
ottenere
del
nuovo
contenute
do
Oftalmoscopio
assegurar
favor
seguir
um
as
manual.
pendentes
indirecto
preciso y confiable
de
operacion
binoculare
molti
anni
BIO,
seguire
in
questo
indiretto
di
servizio
le
manuale.
Binocular
desempenho
instruções
de
(BIO)
y
(BIO)
istruzioni
Indireto
preciso
operação
12500
e
Page 3
Symbol
Descriptions
Attention.
and
Achtung.
Vorsichtshinweise
beachten.
Attention.
les
BBB
BB
>
instructions
fonctionnement.
Atencion.
a
fin
Attenzione.
relative
operativo.
Atenção.
informações
Read
Instructions
Die
Anweisungen
Pour
Para
de
ver
las
Per
al
funzionamento,
Leia o Manual
de
Precauciones
Operating
for
Use.
in
les
précautions a prendre
d’utilisation,
usar
lea
ottenere
precaução e instruções
Manual
zum
Gebrauch
der
Bedienungsanleitung
lire
le
el
Manual
gli
leggere
de
Operação
de
e
Instrucciones.
avvisi e le
for
Manuel
il
Cautions
und
et
de
operaciones
informazioni
manuale
para
obter
de
uso.
die
Page 4
CE
CE
CE
CE
CE
The
CE
mark
on
tested
within
Das
nach
Directive
wurde
La
ésultats
conformes
Directive
médicaux.
La
probado y cumple
dentro
93/42/EEC.
Il
che
alle
apparecchiature
to
and
conforms
the
93/42/EEC
CE-Zeichen
der
EU-Direktive
(Direktive
und
deren
marque
marca
riferimento
il
disposizioni
CE
des
tests
aux
93/42/CEE
CE
en
de
la
Directiva
CE
medesimo e stato
figurant
dispositions
this
product
with
Medical
auf
diesem
93/42/EEC
fur
medizinische
Anforderungen
sur
ce
auxquels
concernant
este
producto
con
las
disposiciones
de
dispositivos
presente
indicate
mediche
su
testato
dalla
93/42/C.E.E.
indicates
the
provisions
Device
Produkt
produit
il a été
enregistrées
questo
direttiva
Directive.
zeigt
Medical
Gerate) geprüft
entspricht.
indique que
soumis
les
instruments
indica
que
médicos
prodotto
ed e conforme
it
has
been
noted
an,
daB
Device
sont
dans
la
ha
sido
estipuladas
indica
delle
es
les
CE
Authorized
Adresse
Adresse
Direccion
Indirizzo
Endereco
A
marcacáo
que o mesmo
conformidade
Legislacáo
European
der
europaischen
du
représentant
del
del
rappresentante
do
Representante
European
Welch
Kells
County
Republic
Tel.
353
Fax
353
CE
que
consta
foi
submetido a testes e está
com
os
de
Dispositivos
Representative
européen
representante
Regulatory
Allyn,
Ltd.,
Road,
Navan,
Meath,
of
Ireland
46
28122
46
28536
do
equipamento
dispositivos
Médicos
Vertragsvertretung:
europeo
Europeo
Autorizado
Manager
incluídos
93/42/EEC.
Address:
agréé
:
autorizado:
autorizzato:
na
indica
em
na
Europa:
Page 5
1.
Description
of
Controls
view
Front
6
5
1.
Interpupillary
controls
2.
Mirror
control
3.
True
small
4.
Aperture
Side
view
distance
(illumination
pupil
size
control
(IPD)
angle)
control
500000000
e
5.
6.
7.
Filter
selection
Optical
knob
Diffuser
(on
diffuser
control
portion
Filter
adjustment
Control
model
only)
8.
Lamp
9.
Headband
adjustment
10.
Headband
adjustment
cover
8
circumference
knob
vertical
knob
1
(>
fs
=
11.
Overband
12.
Overband
10
Y
adjustment
knob
Page 6
2.
Adjustments
Headband
circumference
adjustment
knob
(9)
A.
For
Best
Properly
e
Adjust
is
e
Position
comfortable
knob
under
backside
the
Supported
the
(9).
the
Performance,
and
is
Comfortable.
headband
comfortably.
main
body
and
tighten
Position
natural
of
the
ridge
head.
Be
vertical
of
the
the
headband
headband
on
the
Sure
the
adjustment
headband
so
back
Headband
vertical
adjustment
knob
Headband
knob
(10)
so
on
the
forehead
circumference
of
band
fits
(10)
Fits
the
instrument
so
it
is
adjustment
comfortably
B.
Place
the
Approximately
e
Position
adjusting
e
The
possible.
hand,
left
NOTE:
adjustment
For
more
counterclockwise.
the
the
BIO
should
If
the
adjustment
side.
The
torque
knobs
resistance,
Overband
1-
BIO
so
optical
also
you
prefer
required
can
turn
Optical
adjustment
knob
to
2-Finger
the
oculars
portion
be
as
to
adjust
knob
be
modified
the
portion
(6)
are
adjustment
close
the
can
be
to
turn
screw
Widths
set
on
to
your
optical
removed
the
vertical
by
adjusting
clockwise;
Above
your
knob
eyes
portion
and
the
visual
(6).
(or
spectacles)
with
reversed
and
circumference
the
exposed
for
less,
Eyes.
axis
your
to
turn
by
as
left
the
screw.
it
Page 7
Eyepiece
Cups
© O
C.
Set
the
Interpupillary
The
interpupillary
located
independently
thumb
object
pupillary
NOTE:
Plano
rubber
Replace
D.
The
vertical
be
the
slightly
E.
The
different-sized
adjusted
on
or
some
with
distance
The
lenses
eyepiece
with
Adjust
mirror
location
positioned
viewing
above
Aperture
Welch
with
e
To
use
dilated
center
e
To
use
helpful
place
the
e
To
use
for
patients
place
the
the
your
oculars
are
plano
Mirror
control
at a desired
area.
fixation.
Allyn
the
the
pupils,
position.
the
for
patients
lever
the
lever
distance
bottom
of
one
other
left
of
This
Selection
BIO
apertures
aperture
large
medium-sized
small
with
O O
of
the
another.
small
and
right
controls
are
shipped
included
cups,
tilting
lenses,
(2)
will
allow
the
light
is
usually a point
comes
and
aperture,
place
the
with
in
the
back
aperture,
small
in
the
forward
Distance
(IPD)
controls
optical
To
set
object
eye.
Position
so
the
object
and
can
the
and
stretch
the
beam
to
height
size
undilated
within
with
three
can
be
control
for
fully
lever
in
aperture,
cataracts,
position.
suitable
position.
(1)
portion.
the
IPD
at
arms
length.
the
appears
with
+2.00
be
installed
instrument
eyecups
m
(4).
the
pupils,
move
the
These
properly,
Alternately
oculars
precisely
Diopter
to
ーーー
a
ビー
ση
Interpupillary
distance
controls
oculars
oculars
observe
with
lenses
by
removing
remove
back
in
T
—
一
ss
LY
入
Mi
ο
(1)
and
will
move
your
view
the
inter-
centered.
in
place.
the
lenses.
place.
の
Aperture
一
size
a
-=
|
ontrol
(2)
are
this
一
3
Page 8
F.
Filters
All
filters
selection
middle
lever
lever
G.
By
for
position.
is
in
is
in
Diffuser
engaging
improved
3.
Special
A.
True
This
control
pupils.
pathway
When
pathways
the
stereopsis
When
angle
the
viewing
This
set
visual
the
of
convergence
light
path
through
can
be
introduced
control
Cobalt
the
forward
the
back
Filter
the
peripheral
Small
(3)
provides
is
accomplished
and
visual
to
the
user’s
are
relatively
pathways.
and
minimizes
lever
is
is
brought
to
(5).
White
light
blue
light
position.
position.
(Included
diffuser
filter,
view.
Features
Pupil
Control
the
best
by
pathways
left — under
far
apart
This
is
best
reflections.
set
to
the
user’s
between
into
small
pupils
the
light
is
obtained
or
yellow
Red-free
on
Diffuser
the
user
viewing
adjusting
to
best
the
and
for
use
right — under
the
visual
closer
coincidence.
(down
to 2 mm).
path
will
fit
the
by
when
light
light
is
Models
diffuse
Red-free
White
Cobalt
Yellow
Filter
Diffuser
possible
the
location
the
size
っ
symbol:
light
beam
in
dilated
pathways
adjustment
the
is
obtained
obtained
switch
when
of
the
is
when
Only)
the
light
and
light
filter
light
filter
blue
light
filter/
light
filter
selection
Filter
of
of
the
the
is
pupils;
control
patients
of
the
illumination
patient’s
optical
farthest
it
optimizes
with
the a symbol:
is
narrowed
This
facilitates
in
the
the
the
allow
pupil.
from
and
filter
(5)
small
the
True
small
pupil
control
(3)
ве
FS
©
Em
—
Page 9
B.
SoftTilt
Once
the
along
with
user’s
C.
Teaching
1.
To
mount
the
using a screwdriver.
“dovetail”
can
2.
The
onto
and
overband
the
view
by
attach
the
bottom
remain
teaching
the front
snaps
Park/Rest
optical
the
piece
adjustment
portion,
pushing
Mirror
“dovetail”
of
attached.
into
it
teaching
the
optical
is
mounted,
mirror
of
the
position.
Feature
knob
can
up
from
mirror,
piece
onto
portion
Once
the
it
then
slides
“dovetail”
be
the
tension
raised
top
of
is
correct,
completely
the
headband
the
overband,
out
of
front.
the
3.
To
quickly
mirror
path,
flip
it
the
teaching
up
into
remove
from
grasp
down.
position.
the
user's
the
front
To
resume
mirror,
the
visual
edge
snap
teaching
and
use
of
it
back
Page 10
4.
Connecting
to a Power
Source
NOTE:
1.
The
Welch
e A Welch
e A Welch
Instructions
with
2.
Other
Manufacturers'
NOTE:
power
ΛΑ
If
source,
of
Source
you
wish
please
different
e
Do
not
Volt
Immediately
e
|f
your
rating
BIO
e
|f
your
3
Amps
be
made
connection
output.
e
If
your
you
12551),
Stand
Distributor,
If
you
have
Allyn
BIO
ophthalmic
CAUTION:
On-time
not
power
Allyn
Power
Allyn
Allyn
cord
No.
No.
for
the
units.
This
source,
or
No.
to
use
another
follow
configurations
connect
outputs
on
your
burn
stand
has a 4.5 V output
(or
12
Watts
can
be
wired
stand
has a 7.5
or
12
Watts),
to
the
positive
should
stand
does
must
obtain
and
connect
Adapter
any
to
your
is
or
call
questions
Ophthalmic
distributor.
This
should
be
less
than
can
be
plugged
Sources
74350 Wall/Desk
74360
operating
unit
Power
must
Portable
these
Sources
be
or a Welch
74301
Portable
manufacturers’
these
directions
your
out
based
Welch
stand.
your
on
Allyn
Use
lamp.
minimum
directly
Volt
but
to
and
not
this.
terminal
be
made
to
not
have
4.5
the
Ophthalmic
it
to
the
available
Welch
about
at
Allyn
the
Stand,
product
not
exceed
15
minutes.
Power
power
connected
Allyn
Power
carefully,
your
BIO
of
these
with
power
output),
2.5
Volt
4.5
V,
the
of
the
the
positive
V,
or
Stand
6.0 V or
no
charge
direct
correct
please
is
designed
10
into:
Power
Source
Source
sources
to
an
No.
74341
Source.
ophthalmic
as
there
stand’s
minimum
power
directly
at
highest
into
3.0
your
output
positive
7.5
V,
and
terminal
both
7.5 V and
Adapter
6.5 V output.
from
your
at
1-800-535-6663.
way
to
connect
contact
for
intermittent
minutes,
off-time
are
included
IEC
601-1
Wall/Desk
stand
as a power
are a number
supply:
the
6.5
power
Amp
current
Welch
(again,
minimum
connection
the
negative
of
the
2.5 V outputs,
(Model
number
The
Ophthalmic
Welch
your
Welch
Allyn
should
Power
or
6.0
will
Allyn
should
2.5
Allyn
Welch
or
use.
listed
V
your
Page 11
5.
Changing
1.
To
change
ribbed
Loosen
3.
Remove
No.
01200
CAUTION:
are
4.
Replace
For
best
the
lamp,
area
and
sliding
the
adjustment
the
lamp
lamp.
Lamps
allowed
the
lamp
performance,
the
remove
from
to
cool
cover.
use
Lamp
the
the
cover
knob
its
well.
may
be
before
only
Welch
lamp
up.
(6),
and
Replace
very
changing.
Allyn
cover
slide
with
HOT.
(8)
the
the
Be
lamps.
by
BIO
Welch
sure
pressing
all
the
Allyn
lamps
on
way
the
up.
6.
Cleaning
The
glass
and
the
teaching
with
alcohol.
The
leather
with
soapy
The
remainder
moistened
are
excessively
AN
>
πώ
cover
cushions
water.
of
in
alcohol.
moist
NY
on
the front
mirror
the
can
on
the
BIO
Avoid
on
any
of
be
headband
may
be
using
part
the
BIO,
cleaned
wiped
harsh
of
this
the
glass
with a soft
may
be
removed
with a soft
cleansing
instrument.
lenses
cloth
cloth
fluids
in
the
oculars
moistened
and
wiped
that
has
or
cloths
been
which
Page 12
7.
Maintenance
Periodic
personnel.
more
8.
Interpupillary
Accommodation
Spot
Light
Filters
Headband
Range
Weight
Approvals
Type
9.
Product
No.
No.
No.
No.
No.
No.
No.
No.
No.
No.
No.
No.
No.
No.
technical
This
often
if
inspections
equipment
used
under
Specifications
Distance
Lenses
Sizes
Source
Adjustment
Product/Accessory
No.
12500
12500-D
12500-Y
12500-DY
73300
12550
12551
12060
01200
05120
50120
72240
74350
74360
Description
BIO
BIO
(optical
BIO
(optical
BIO
of
(optical
4
Teaching
Voltage
Scleral
Replacement
Carrying
Fundus
Replacement
Wall/Desk
Portable
should
adverse
49
+2.00 D and
20
4.65
Safety
(or
54
454
UL
IEC
BF
(optical
with
portion,
with
portion,
with
cobalt
portion,
ft.
extension
Adapter
Depressor
Charts
should
be
conditions.
mm
to
mm,
50
V,
12 W Halogen
Filter
Yellow),
cm
to
65
g
2601-1,
601-1,
portion,
diffuser
yellow
diffuser
blue
filter
for
Mirror
Lamp
Case
and
Battery
Power
Power
be
performed
inspected
74
mm
plano
mm,
80
(full
time),
Red-free,
cm
CAN/CSA
IEC
601-1-2,
by
qualified
once
every
mm @ 50
Cobalt
Diffuser
C22.2
CE
Information
headband, 8 ft.
filter
headband, 8 ft.
filter
in
place
headband, 8 ft.
filter
and
headband, 8 ft.
BIO
(thimble
Pencils
Source
Source
of
yellow
type,
cord)
cobalt
cord)
filter
cord)
medium)
year,
cm
Blue
Option
No.
cord)
blue
in
601.1,
filter
place
8
Page 13
10.
Service
Service
For
customers
service
to
Technical
Welch
4341
Skaneateles
U.S.A.
Telephone:
Fax:
For
a
Welch
to a Welch
an
authorized
Allyn,
State
315-685-4653
customers
local,
authorized
Allyn
and
in
North
Allyn
Welch
Service
Street
800-669-9771
Inc.
Road
Falls,
NY
outside
service
Department
Welch
center.
Warranty
America,
Technical
Allyn
distributor.
13153-0220
of
North
Allyn
please
distributor
return
Service
America,
Department
Information
instruments
return
or
to
your
your
requiring
listed
unit
nearest
below
to
or
Binocular
Welch
Ophthalmoscope
74350
source
to
perform
period
the
headband
material
manufacturer’s
purchase.
defective
the
warranty
component(s)
This
warranty
Allyn
must
distributor
This
warranty
misuse,
instrument
dations
Allyn
No
other
Return
purchase
Indirect
Allyn,
Wall/Desk
to
be
in
of
ten
and
If
this
or
at
or
its
authorized
return
the
or
neglect,
is
or
if
repaired
authorized
express
of
instrument
and
Ophthalmoscope
Inc.
warrants
(BIO),
except
power
free
of
accordance
years
portion
workmanship
specifications
instrument
variance
period,
at
no
only
instrument
representative
does
accidents,
not
used
representative.
warranty
source
original
from
the
of
the
with
Welch
cost
to
applies
distributors
not
cover
in
or
serviced
or
implied
registration
accordance
validation.
the
No.
12500
for
the
and
defects
with
manufacturer’s
date
of
BIO
to
and
to
perform
for a period
or
any
component
the
manufacturer’s
Allyn
will
the
purchaser.
to
instruments
or
directly
and
modification
warranty
to
bear
breakage
by
Warranty
Binocular
headband
the
No.
in
material
purchase.
be
free
in
of
repair
purchased
representatives.
Welch
the
costs
or
failure
or
with
manufacturer’s
other
than
is
given.
card
is
portion;
74360
and
specifications
Welch
of
original
accordance
five
years
thereof
specifications
or
replace
Allyn
of
due
shipping,
Welch
required
Indirect
the
portable
workmanship
Allyn
warrants
defects
with
from
is
found
the
instrument
new
from
The
purchaser
or
an
authorized
shipping.
to
tampering,
and
is
recommen-
Allyn
for
proof
No.
power
and
for
a
in
the
date
to
be
during
Welch
void
if
the
or a Welch
of
of
or
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