4
to reset the best brightness, turn off LIM switch
① (when LIM indicator light ② goes out), turn
the objective lens that needs to reset the best
brightness into the optical path, turn off Lim
switch, and then repeat the above steps 3 and
4.
Rotating the focusing knob to lower the stage.
3. Pull the slide holder apart and place the slide.
4. Rotate the objective holder to turn the 10x objective into the optical path
（
Adjust the
fluorescent accessory to neutral)
5. Rotate the coarse and fine focus system to focus the sample.
6. Moving the stage control hand wheel to adjust the observation sample area
2-2
Microscope adjustment
1. Adjust the pupil distance: adjust the binocular
lens tube to the left and right till the right field of
view is completely coincident.
Adjust the diopter: turn the diopter adjusting rings
on both sides to the scale "0", turn the 40x
objective into the optical path, observe with the
right eye from the right eye lens, and focus the
sample by rotating the coarse and fine focus
spiral.Turn the 10x objective into the optical path, and turn the right diopter adjusting ring
