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2.5.
If you want to change the enlargement, turn the nosepiece
(6) to change the lenses 4x - 100x (7).
Make sure that the lenses
do not collide with the specimen when swivelling. It is advisable
to first move the stage down slightly to create enough space
between the lens and the specimen and then re-focus. A clear
clicking sound confirms that the lens has been changed
correctly.
2.6.
When adjusting the focus, always ensure that the lens does not touch
the specimen you are viewing. Therefore, move the coarse focus knob
(11.1) only until the lens is three millimetres away from the coverslip of the
specimen. Now slowly change the coarse adjustment until you can see a
roughly sharp image and then use the fine adjustment (11.2) of the focusing
to finally achieve image sharpness. If you now choose a higher
enlargement, i.e. a different lens, you only have to turn the fine adjustment
to finally achieve image sharpness again.
2.7.
By turning the coaxial stage mechanism (12), the specimen can be
manually moved precisely and carefully along the Y and Z axes through the
eyepiece field of view.
2.8.
The lateral fine adjustment, which moves the condenser from below towards or away from the specimen,
can be used to control the degree of illumination and thus the contrast in the image.
3. Maintenance and care
3.1. Maintenance To change the LED lamp, loosen the large slotted screw on the underside of the microscope
and flip open the cover that is locked in place with it. You can now pull the defective LED lamp out of the
socket, which is located on the inside of the cover, and replace it with a new LED lamp. Do not touch the new
LED lamp with your hand. Fingerprints and dirt on the LED can affect its brightness. Clean the LED lamp with a
clean, soft cloth. Handle the LED only with clean gloves or a piece of gauze and insert the new LED into the
socket provided for the purpose. Close the cover again and re-tighten the previously mentioned slotted screw.
Caution:
The bright LED lamp is very hot during operation and shortly after use. Before replacing the LED lamp or the
fuse, be sure to disconnect the microscope from the power supply.
6
7
11.1
11.2
