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MAINTENANCE AND CHECKUPS
PERIODIC MAINTENANCE
Before using, confirm the following:
• Adjust the diopter and eye width following “ADJUSTING THE DIOPTER AND PUPILLARY
DISTANCE (PD)” on page 25 and turn the slit adjustment knob and make the slit width
about 1mm: The slit image projected on the test rod is seen clearly.
• Move the base forward-backward and right-left: The base moves smoothly.
• Component parts, including the eyepiece unit, are fitted in place.
• The chinrest base is firmly fitted to the table.
• Cables and plugs are firmly connected.
DAILY CARE
• This instrument may be affected adversely by dust. Apply the dust cover when not using.
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