Olympus CX31-P Manuel d'instructions - Page 13

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4-2 Focusing Module

Fig. 6

Fig. 7

4-3 Observation Tube

Fig. 8

Fig. 9

Adjusting the Coarse Adjustment Knob Rotation Tension

1. The tension of the coarse focus adjustment knob is adjustable. Insert

the tip of a large flat-blade screwdriver into the groove 2 on the tension

adjustment ring 1 and rotate the ring. Rotating it clockwise (in the direction

of the arrow) increases the tension and counterclockwise decreases the

tension.

2. If the stage descends on its own or if the specimen gets out of focus

quickly even when it is brought into focus using the fine adjustment

knob 3, it means that the tension of the coarse adjustment knob is too

low. Turn the ring 1 in the direction of the arrow to increase the tension.

Using the Simplified Pre-focusing Knob

# This mechanism does not work when the U-CTAD centering adapter

for objective lens is used.

}The pre-focusing knob controls the mechanism for preventing collision

between the specimen and objective.

1. After bringing the specimen into focus, turn the pre-focusing knob 1 of the

focusing module so that the pre-focusing mechanism hits the stage holder.

2. To provide a certain margin for focusing, turn the knob by about a half

turn backward from the stopped position.

# If the function of this mechanism is not required, set the pre-focusing

knob 1 at the UP-end position.

Adjusting the Interpupillary Distance

While looking through the eyepieces, move both eyepieces until the left

and right fields of view coincide completely. The position of index dot ·

indicates the interpupillary distance value.

}Note your interpupillary distance so that it can be quickly duplicated.

Adjusting the Diopter

1. While looking through the right eyepiece with your right eye, turn the

coarse and fine focus adjustment knobs to bring the specimen into

focus.

2. While looking through the left eyepiece with your left eye, rotate only the

diopter adjustment ring 1 to focus on the specimen.

CX31-P

(Fig. 6)

(Fig. 7)

(Fig. 8)

(Fig. 9)