16
Fig. 7
Fig. 8
Fig. 9
Fig. 10
2
F/C Button
(Fig. 7)
}The F/C button switches the function of the focus adjustment knob
1
and focus adjustment dial between F (fine) and C (coarse). (For safety, the
F/C button is set automatically to F at the moment the main switch of the
BX-UCB control box is set to “
I
” (ON).)
· Each press of the F/C button
2
switches F and C alternately.
Objective fine movement:
0.1 mm per turn
Objective coarse movement: 0.3 mm per turn
3
Objective Up/Down Buttons
(Fig. 8)
# When the objective is lowered, be careful not to let it collide with the
specimen.
· Press the objective up button
1
to raise the objective and press the
objective down button
2
to lower the objective.
· The stroke is 25 mm.
4
Objective Escape/Return Button
(Fig. 9)
When replacing the specimen, press the Objective Escape/Return button
1
The objective will rise by 5 mm (in 1 sec.). Pressing the button again
returns the objective to the original height.
# Even after escaping, care is still required during objectives switching,
for the objective may still interfere with the edge of the container. If this
happens, raise the objective higher using the objective up button.
5
Using the Frost Filter Insertion/Removal Lever
(Fig. 10)
}Low observation light can be brightened by turning the frost filter insertion/
removal lever
1
which controls the built-in frost filter, in the direction of the
arrow. However, although the brightness is increased, irregularity in lighting
may also increase.
1
2
1
2
1
1
