Optika Italy B-190 Serie Manuel D'utilisation page 13

9. Use of the microscope
9.1 Switching on the microscope
Operate on the main switch
croscope, moving the selector on "I" (Fig. 14)
9.2 Light intensity adjustment
Operate on the light intensity dial to increase or decrease the
illumination intensity. (Fig. 15)
9.3 Coarse focus tension adjustment
• Adjust the tension using the provided tool.
The coarse knob tension is preset in the factory.
1. To modify the tension according to personal's needs, rotate
the ring using the provided tool. (Fig. 16)
• Clockwise rotation increases the tension.
• If the tension is too loose, the stage could go lower by itself or
the focus easily lost after fine adjustment. In this case, rotate
the knob in order to increase the tension.
9.4 Stage
Stage accepts standard slides 26 x 76 mm, thickness 1,2 mm
with coverslide 0,17 mm. (Fig. 17)
1. Open the spring arm of the slide holder
from the front on the stage.
2. Gently release the spring arm of the slide holder.
• A sudden release of the spring arm could cause the fall-
ing of the slide.
placed in the rear side of the mi-
①
and place the slide
②
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①
②
F ig. 17 F
F ig. 14 F ig. 14
F ig. 15 F ig. 15
F ig. 16 F ig. 16
ig. 17