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3
Operation
3.1 Adjusting illumination
1) Connect the power cord and turn on the power switch (24).
2) Rotate the variable intensity dial (23) to increase or decrease the brightness.
3.2 Placing specimen
1) Place the slide on the mechanical stage (8).
2) Use the slide holder (7) to gently secure the slide. Turn the X and Y adjustment knobs
(22) to position the specimen for viewing.
Caution:
Be sure not to allow an objective to touch a specimen slide when changing
objectives.
3.3 Focusing
1) With the 10x objective in position, raise the mechanical stage using the coarse focus
knob until the specimen is close to the objective
2) Turn the coarse focus knob until the specimen is in focus.
3) Then use the fine focus knob to obtain a sharp image. You may now switch to
another magnification objective.
Tips:
To prevent your specimen slide from making contact with an objective, raise the
stage to its highest position without contacting the 100x objective, then tighten the upper
limit mechanical stage lever.
3.4 Condenser focusing
Turn the condenser focus knob (10) to raise or lower the condenser. The condenser
is raised when using high magnification objectives and lowered when using low
magnification objectives.
Note
:
The centering of the condenser and the light axis of the objective are factory adjusted.
Do not attempt re-adjustment.
The highest position of the condenser has been factory adjusted. Do not attempt
re-adjustment.
3.5 Adjusting iris diaphragm
Slide the Iris diaphragm lever left or right to adjust the
aperture size.
Note:
The iris diaphragm is designed to adjust the aperture
size, not to adjust brightness.
3.6 Adjusting interpupillary distance
While observing with both eyes, hold the left and right eye
tubes, slide in and out the tubes. The interpupillary distance is correct when the left
and right fields of view converge completely into one image.
3.7 Adjusting eyepiece diopter
1) Using the 10x objective and your right eye only, observe your specimen through the
Iris Diaphragm Lever
