Olympus BX53 Petunjuk Manual - Halaman 33

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Problem

f ) Visibility is poor.

· Image is not poor.

· Contrast is poor.

· Details are indistinct.

· Image glares.

g) One side of image is blurred.

h) Image appears to waver.

i ) Field of view becomes only slightly

brighter when the brightness adjust-

ment knob is rotated.

j ) Image looks reddish.

2. Electrical System

a) Bulb intermittently lights and goes

out.

b) Bulb burns out almost immediately.

c) Brightness does not change when

you turn light intensity adjustment

knob.

d) Lamp voltage cannot be varied with

light intensity adjustment knob.

3. Coarse/Fine Adjustment

a) Coarse adjustment knob is hard

to turn.

b) Stage drifts down by itself or focus

is lost during observation.

c) Image cannot be focused.

d) Coarse adjustment will not go all

the way up.

Cause

Immersion oil contains bubbles.

Recommended immersion oil is not

used.

Dirt/dust on specimen.

Dirt/dust on condenser.

Inappropriate object side or cover

glass thickness.

Objective is not correctly engaged in

light path.

Revolving nosepiece is not correctly

mounted.

Stage is not correctly mounted.

Specimen is not correctly mounted

on stage.

Revolving nosepiece is not corrected

mounted.

Objective is not correctly engaged in

light path.

Condenser is not properly centered.

Condenser is lowered too far.

The LBD filter is not engaged in the

light path.

Bulb is nearly burned out.

A connector is not properly connected.

Wrong type of bulb is being used.

Light intensity preset button is set to

ON.

Bulb is burned out.

Tension adjustment ring is tightened

excessively.

You are trying to raise stage without

coarse adjustment knob while pre-

focusing lever is kept locked.

Tension adjustment ring is too loose.

When adjusting stage height, you for-

got to reattach upper stopper screw.

Pre-focusing lever is locked at a too

low height.

Remedy

Remove the bubbles.

Use the Olympus-designated immer-

sion oil.

Clean it.

Replace with glass of recommended

thickness.

Make sure that revolving nosepiece

clicks into place correctly.

Push slide dovetail all the way until it

is stopped.

Re-attach it.

Place specimen correctly on top of

stage and secure it with slide holder.

Push slide dovetail all the way until it

is stopped.

Make sure that revolving nosepiece

clicks into place correctly.

Center the condenser.

Adjust the condenser height position

Engage the LBD filter in the light

path.

Replace bulb.

Check all connectors.

Use correct bulb type.

Press button to OFF.

Replace bulb.

Loose ring.

Unlock pre-focusing lever.

Tighten ring.

Reattach upper stopper screw.

Unlock pre-focusing lever.

BX53

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