3. Operation
4. Maintenance
1.
Don’t touch the lenses with your fingers. Dust on lenses should be
cleaned with a soft brush, absorbent cotton or lens paper with the
mixture of alcohol and ether (proportion 1:4).
2.
Metal surfaces should be cleaned with an organic solution such as
alcohol, ether or a gentle all-purpose surface cleaner.
3.
Plastic parts should be cleaned with a soft cloth and clear water.
4.
The microscope should be stored in a cool and dry environment ,
without vibration, without dust, without acid/base or other corrosive gas.
5.
Normal operating conditions
：
indoor temperature
：
0
℃
～
40
℃
，
maximum relative humidity
：
85%
6.
When the microscope is not in use turn off the power and keep covered
with provided dust cover.
▲
To maintain the instrument’s top performance it is recommended that it
be serviced regularly. In case of damage contact Valley Microscope via
email:
▲
Any unauthorized service/repairs may void the warranty.
- -
4
Observing
Rotate nosepiece to 10x
objective and focus.
Open slide holder (B2), put slide on
mechanical stage (A4)
move stage using x/y
handle (B5), position slide into view.
b. Put specimen.
Rotate nosepiece (B1), put 4x objective into
optical path. Turn coarse & fine focusing
knobs (B6, B7) to focus.
c. Put 4x objective into optical,
path and focus.
Adjust head (A2) to make two fields into one
(bino or trio), then adjust eyepiece diopter to
be consistent.
d. Adjust interpupillary distance
and diopter.
Adjust lever of aperture diaphragm (B3) to
get the best field image.
e. Adjust condenser aperture
diaphragm.
a. Switch on the power ,adjust
brightness.
Connecting DC Input socket with power
adapter and power cable(A9, A10, A11),plug
power adapter (A10) into socket, turn on and
adjust potentiometer
(B8).
