Nikon OPTIPHOT-POL Manuale di istruzioni - Pagina 2
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CAUTIONS
o
Avoid sharp knocks!
Handle the microscope gently, taking care
to avoid sharp knocks.
f}When
carrying the microscope
When carrying the microscope, hold its arm
with one hand, supporting
the bottom
of
the microscope
base with the other. The
instrument
weighs about
10.5
kg. Do not
have the lamp housing carry any load.
8
Place for using
Avoid the use of the microscope in a dusty
place, where it is subject to vibrations
or
exposed to high temperatures,
moisture or
direct sunlight.
o
Power source voltage
In every case, make sure of the power
source
voltage
by
means of
the
input
voltage change-over switch on the bottom
of the microscope base.
o
Light source
Halogen lamp bulb to be used is
12V-
50W.
Do not use
12V-l OOW
halogen lamp
bulb.
If the lamp bulb of over-rated wat-
tage
is used, light adjusting
circuit
will
damage.
Never connect
the lamp housing cord to
the house current socket directly.
o
I
n lighting the lamp
Take care not to touch the lamp housing
being lighted, and don't bring inflammable
substances such as gasoline, thinner,
and
alcohol near to the lamp housing, as some
parts of the lamp housing may take a high
temperature
while the lamp is being light-
ed.
o
Exchanging the lamp bulb and fuse
Before
replacing
the lamp bulb or fuse,
turn 0 F F the power switch and disconnect
the plug of the power source cord.
In such cases as of replacement,
do not
touch the lamp bulb with bare hands, im-
med iately after putting out the lamp.
«;)
Dirt on the lens
Do not leave dust, dirt or finger marks on
the lens surfaces.
They will prevent you from clear observa-
tion of the specimen image.
o
Strain-free glasses
The optical
elements of this microscope
being
constructed
of strain-free
glasses,
take
particular
caution
in handling
the
objectives
and condenser
lenses not
to
cause strain to them.
4D>
Focus knobs
Never attempt
to adjust the tightness of
the right-
and lefthand
focus
knobs by
turning the one, while holding the other in
th is model microscope, because of causi ng
disorder.