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V. Preparation Before Use
Assemble the Binocular Head
1
．
Loosen the fixing screw on the top of the microscope body.
2
．
Put the binocular head on the body properly, then tighten the fixing screw.
Insert the Eyepiece
1
．
Standard gemel binocular head. Special-processed ring is fixed in the observation tube to tighten the eyepiece.
2
．
Insert the eyepiece properly.
Assemble the objectives
1
．
Assemble the objectives clockwise. Make the magnification become bigger when assembling in clockwise
direction.
2
．
Condenser has been mounted, focused & pre-centered well in the microscope before shipment. There is no need
to do any adjustment.
VI. Usage of the Microscope
Illumination
1
．
Connect the power line to the microscope.
2
．
Turn on the power supply, then the light will be on. Brightness can be adjusted by turning the adjusting knob.
Iris diaphragm is designed & configured on condenser. Adjusting the
iris diaphragm to match the different N.A of different objectives.
1
．
Open/Close the iris diaphragm by adjusting knob.
2
．
When the knob is on the right, that means the iris diaphragm is fully opened.
Placing the Specimen
1
．
Put the specimen in the stage and make the cover glass on it. Make the clips clamp them entirely. Two slides can
be put in the stage in the same time.
2
．
Make the specimen under the objective by adjusting X & Y axis.
Focusing
1
．
Turn the nosepiece to observe through the lowest magnification.
2
．
Adjust the stage to the top by turning the coarse focusing knob.
3
．
Observe through the eyepiece and turn the coarse focusing knob slowly to let the stage down and down till there
is a image
4
．
Turn the fine focusing knob to get sharp image.
Adjusting of the Binocular Observation Head
1
．
Adjust the observation tube to make sure that view field in the right & left eyepiece is consistent.
2
．
Adjust the diopter of the eyepiece to “0” first. Then adjust the eyepiece according to users’ own situation to get
sharp image.
