Use Of The Microscope; Light Intensity Adjustment; Use Of Alc System; Coarse Focus Tension Adjustment - Optika Italy B-150 Series Instruction Manual

8.

Use of the microscope

8.1

Light intensity adjustment

Operate on the light intensity adjustment dial ① to
turn ON / OFF the microscope and to increase / de-
crease the illumination voltage. (Fig. 8)
8.2

Use of ALC system

1. Press the ALC button ② (Fig. 9). The light on the
microscope 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 disabled.
• When ALC system is active the light intensity
dial is not active.
8.3

Coarse focus tension adjustment

• Adjust the tension using the provided tool.
The coarse knob tension is pre-setted in the factory.
1. To modify the tension according to personal's
needs, rotate the ring ③ using the provided tool
(Fig. 10).
• 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.
8.4

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 ④ and
place the slide from the front on the stage.
2. Gently release the spring arm of the slide holder.
• A sudden release of the spring arm could cau-
se the falling of the slide.
③
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①
Fig. 8
②
Fig. 9
Fig. 10
④
Fig. 11