Ⅳ.Operation Instruction
1. Unpacking and installation：
Microscope packaging is foam and carton; host packed in plastic bags, Objective are on
the transparent plastic box, Eyepiece with a plastic bag, it should be carefully when install.
2. Adjustment of the microscope:
1）Insert the eyepiece into the eyepiece tube, and screw objectives into the nos
epiece in sequence of different magnification from low to high. Then put the s
pecimen on the stage and secure it the position with tablet and move it to the
center of stage.
2) Turn on the power switch and adjust the brightness form dark to bright slo
wly. After working, you must adjust the brightness to a little dark before you
turn it off.
3）Observe the specimen from lower magnification objective firstly and move t
he specimen to the center of view field, then rotate higher magnification object
ive. You may use the fine focusing knob to obtain the clear image.When100X
(soil) objective is used; you should fill up with cedar wood oil (without bubb
l e ) between the front of objective and the specimen surface. After working, it
should be wiped with a few xylems immediately.
4）In order to obtain bright and clear image, the illumination must be adjusted.
When different objective is chosen, you should adjust the iris diaphragm o
f the condenser and different brightness of the light.
5）When the lamp needs to replace, you should shut off the power switch and
replace it after the lamp is cool. Note: The contact must be firmed, and t
he filament center should be adjusted.
Ⅴ.Maintenance
1. Open the package carefully to avoid the damage of the lenses or accessorie
s
2. Operate correctly, and put the dust cover on the microscope after work.
3. Don’t dismantle the instrument rashly besides the replaceable lest the correc
t position should be breached.
4. Keep the instrument in dry and cool place and away from the pollution an
d corrosion.
5. Please send the instrument to the special repair shop if it goes out of orde
r .
6. When the objectives and eyepieces won’t be used for a long time, please p
