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12. Focus Knobs
Do not turn the right and left focus knobs simultaneously in opposite directions. Do not turn the coarse
focus knob any further after the stage has been moved up or down to its limit. These operations will
damage the focusing mechanism.
13. Oil-Immersion Observation
Use only a minimum quantity of oil. If too much oil is applied, surplus oil could flow out to the stage and
the condenser which could lead to degraded performance.
WARNING
14. Shipping Clamps
The microscope is held tightly by the clamps during shipment.
Be sure to remove the clamps before use. For details, see p. 27.
Shipping Clamps
6
Do not turn the knobs in opposite directions.
When using petroleum benzine or absolute alcohol to wipe off immersion oil or
to clean the lenses, follow the instructions provided by their manufacturers.
Absolute alcohol and petroleum benzine are inflammable. Take great care
when handling them.
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