Olympus CHA-P Інструкція з експлуатації - Сторінка 10

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OPERATION

Adjustmm

Minimum

Line

Voltage

The

mhirnurn vol-

q u i r e d for the light source can be adjusted with

the

rheostat

trim

mer smw

the microscope bas

plate

in accordanw with the line

voltage

and frequency.

The built-in rheostat incorporates a thyristor

in its semiconductor circuit

for the following

advantages:

(a) E x t r e d y fine adjustment of light intensity

be easily

achied.

(b) Flickering

of the bulb filament is eliminated and

the

light inmnsity is stabilized.

(cJ Increased life exp$ctanw of t h ~ bulb.

For

adiustment

the

minimum

line

voltam,

ascartain

that

the

voltage

selector

switch

E &

i n f o r m

with

the

I m l

mains

voltaw,

and

the

sliding

control

leuera

positioned

closest

you

(low

voltage),

and

then

activate

the

main

switch

the

bulb

dimly

lit,

the

secondary

voltage

correct.

not

lit

all,

rotate

the

rheostat

trimmer

screw

gradually

with

win,

until

the

bulb

dimly

lit;

then

push

the

stiding

control

lever

forward

order

obtain

optimum

light

intensity.

(Fig.

Fig. 1

2. Interpupiltary

Distanm

and Diopter

A d j m n i s

Insert

lhe

evwieae

with

cross hairs into the right

eyepiem

tube

the

binocular

t u b ,

aligning

the

positioning

slot

and

positioning

a n

1 1

When

the

eyepiace

positioning

i n s e m

into

the

Ioww

dot

the

tuba,

tha

lines

the

eyepieca

coincida

with

the

vibration

direction

polarizer

and

analyrer

0 '

settings.

When

I n -

into

the

other

slot,

the

mass

lines

4 g

the

direction

o f

vibration.

(This

the

same

with

the

monwlar

tube.)

Fig.

Them

iwrt

the

eyepiece into

the

left

tube.