Olympus JM Інструкція з експлуатації - Сторінка 9
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OPERATION
2
.
Set the
Bright/Dark
Fie
ld
Selector Sw
itch
t
o
the
B
po
s it ion.
1. Turn on t
he
MAIN swi tch and set
the
sele
ctor
switch
to the
DIA
positi on .
(
Fig .5)
,
holder ,
so
abo ve
the
4
.
Dioptr ic
ad just ments
.
3.
Place
t
ne
speci men on the
spec imen
th
at it w
ill
be
pos itioned
about
lOmm
cen te r
of
the ir
is
diaphragm
.
(
Fi g.5)
a.
Fir
st
align
the
di
opter
ring
on the right
eyepiece
tube
to
"
0
",
Set
the
var
iab le
ma
gnification
ind ica to r ring at the max
imum
inde x
01"
4
",
Focus
on t
he
sepe
ctmen wi
t h the
foc
us ing kn
ob.
(
Fig
.G)
b.
Turn
t
he
vari able
magnificat ion
indica
tor
r
ing
to
t
he
minim um ind ex
of
~
O.
7".
bu t
do
not
move th
e
specime n
or t
he focusing
kno
b at t
his
t
ime.
(
Fig .6)
c.
If
th
e specimen is
out
of
f
ocus,
do not
move
the fo
cusin g
knob
,
but turn the right
diopter
r
ing
to
focus again.
(
Fig .7)
d.
Now
,
turn the
va
ri abl e ma
gn ificat ion
ind ic t or
r
ing
t
o
~
4"
.
If
the
spec imen is
st ill
ou
t of focus
,
r
epeat
st eps
a.
through c
.
above
.
e.
Turn
t
he left d
iopter
r
ing to
ad just t
he left
ey
epiece di
opter
.
(
Fig
.7)
Now both eyep
iece
t
ubas have
been
adjusted t
o
meet
yo
ur
eye acuity .
Remember the
index numbers
on the diopter r
ings
, so
that you can always
adjust the eyep
iece
tubes quickly and corr ec t ly. In making dioptr
ic
adjustments
easier, it is ad
visable
t
o
use as thin a speci men as
possible
or else to choose
a spec if ic spot on the spec imen t
o
be
used
as the focusing po
int .
7