Olympus U-BI30-2 Інструкція з експлуатації - Сторінка 16
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Fig. 7
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Fig. 8
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Adjusting the Motorized Focusing Unit
# Make sure that the specimen is located near the standard focusing
position (see diagram on page 25).
}Motorized focusing control is available using a PC or the U-FH focus
adjustment knob unit.
Using the U-FH Focus Adjustment Knob Unit (Fig. 7)
· F/C button 1
This button switches the objective adjustment movement caused by turn-
ing the focus adjustment knob between Fine and Coarse movements.
}For safety, the initial position that is set automatically when the main
switch of the BX-UCB control box is set to " I " (ON) is "F".
Fine adjustment:
Coarse adjustment: 1 mm per turn
· Objective Up button 2/Down button 3
Press either button to raise or lower the objective.
# When pressing the objective Down button, take care against collision
between the objective and specimen.
· Objective escape/return button 4
Before replacing the specimen, press this button to cause the objective
escape. Pressing the button again causes the objective return to the
original position.
Objective Lower Hardware Limit Adjustment (Fig. 8)
-- Adjust the lower hardware limit using the following procedure. --
?The lower hardware limit of the objective has been set to the lower limit
of the stroke before the system left the factory.
!During adjustment, do not approach your hand to the motor drive
mechanism so that your finger does not be caught by it.
# The lower hardware limit determines the lower limit of the objec-
tive to prevent it from collide with the specimen. As a result, note
that there is a risk of collision with specimen or reaching the lower
limit before the focusing position when the specimen is not flat, the
specimen thickness is changed or the WD (Working Distance) of
the objective in use is 1 mm or less.
# Always use the procedure described below. Otherwise, it will not
be possible to avoid collision of the objective with the specimen
perfectly.
# During adjustment, do not touch any electronic part to avoid its static
destruction.
# During adjustment, do not touch the motor mechanism or electronic
part to avoid their malfunction.
1. Set the main switch of the control box to " I " (ON).
2. Remove the side panel of the illuminator by removing the screws using a
Phillips screwdriver.
3. Among the objectives mounted on the revolving nosepiece, engage the
one with the shortest WD in the light path.
0.1 mm per turn