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3-2 Focusing Block
# The stage of this microscope is set at a low position. Take care not to let your hand interfere with the stage when
operating the coarse adjustment knob.
ƒ
@
²
@
10
|
³
Fig. 9
@
Fig. 10
Fig. 11
1
Replacing the Fine Adjustment Knob
# The fine adjustment knob is attached to the right side when the
microscope is shipped from the factory.
}The fine adjustment knob is designed detachable to prevent interference
with hand during manipulation of the X- and Y-axis knobs.
Usually attach the knob on the opposite side to the X- and Y-axis knobs.
1. Pull and remove the rubber cap @ from the fine adjustment knob.
2. Using the Allen screwdriver, loosen the clamping screw ² and remove
the fine adjustment knob ³.
3. Remove the seal from the fine adjustment knob screw hole on the other
side and attach the knob by reversing the removal procedure.
4. Attach a provided seal on the screw hole ƒ of the fine adjustment dial |,
from which the fine adjustment knob has been removed.
}The fine adjustment dial | can be operated with your fingertip or finger
surface at the same time as manipulating the X- and Y-axis knobs.
Adjusting the Coarse Adjustment Knob
2
Tension
# Adjust the coarse adjustment knob tension using the tension ad-
justment ring.
The coarse adjustment knob tension is preadjusted for easy use. How-
ever, if desired, you can change the tension using the tension adjust-
ment ring @. Turning the ring in the direction of the arrow increases
tension, and vice versa.
The tension is too low if the objective drops by itself or focus is quickly
lost after adjustment with the fine adjustment knob. In this case, turn the
ring in the direction of the arrow to increase tension.
3
Pre-focusing Lever
}The pre-focusing lever ensures that the objective does not come in con-
tact with the specimen and simplifies focusing.
After focusing on the specimen with the coarse adjustment knob, turn
this lever @ in the direction of the arrow and lock; the lower limit on
coarse adjustment movement is set at the locked position.
After changing a specimen, refocusing is easily accomplished by rotat-
ing the coarse adjustment knob to reach the pre-focused position, then
making fine adjustments with the fine adjustment knob.
}The objective's vertical movement activated by the fine adjustment knob
is not locked.
(Fig. 9)
(Fig. 10)
(Fig. 11)
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