Optika Italy B-150 ALC Serie Manual De Instrucciones página 13

9. Use of the microscope
9.1 Light intensity adjustment
Operate on the light intensity adjustment dial
OFF the microscope and to increase, decrease the illumination
voltage. (Fig. 8)
9.2 Use of ALC system
1. Press the ALC button
will turn off for some seconds, the will turn on again.
2. An optimal brightness level is set
3. Now the system will automatically adapt the brightness to the
eyepieces when an objective is changed, when the aperture
diaphragm is used or when another specimen is placed on
the stage.
4. Pressing the ALC button again, the ALC system will be dis-
abled.
• When ALC system is active the light intensity dial is not
active.
9.3 Coarse focus tension adjustment
• Adjust the tension using the provided tool.
The coarse knob tension is pre-set in the factory.
1. To modify the tension according to personal's needs, rotate
the ring using the provided tool (Fig. 10).
③
• 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
All models except B-151 series
Stage accepts standard slides 26 x 76 mm, thickness 1,2 mm
with coverslide 0,17mm. (Fig. 11)
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.
①
(Fig. 9). The light on the microscope
②
and place the slide
④
to turn ON,
Page 13
②
③
④
①
F ig. 8 F ig. 8
F ig. 9 F ig. 9
F ig. 10 F ig. 10
F ig. 11 F ig. 11