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PARAMETER SETTINGS AND MAINTENANCE: Maintenance
4.2.4
Cleaning
O
Cleaning the device
When the cover or panel of the device becomes dirty, clean it with a soft cloth. For severe stains, soak
the cloth in a neutral detergent or rubbing alcohol, wring well, and wipe. Finally dry with a soft, dry
cloth.
O
Cleaning the measuring window
When the measuring window gets fingerprints or dust on it, the reliability of the measured values is
impaired substantially. Check the measuring window cleanliness before use, and clean it if it is dirty.
Clean it when the “MEASURING WINDOW CHECKING” message is displayed at device startup or
the lens is visibly soiled.
1
Blow off any dust on the measuring window
with a blower.
2
Wrap lens cleaning paper around a thin stick
(or cotton swab) and wipe the lens of the
measuring window with a material moist-
ened with alcohol.
CAUTION
• Never use an organic solvent such as paint thinner or alcohol other than rubbing alcohol.
The device covers may be discolored.
• Lightly wipe the exterior of the LCD. Do not press the LCD using an object with a hard tip and keep
magnetic objects away from the LCD.
It may damage the surface of the LCD. Device malfunction may also result.
• Never use a sponge or cloth soaked in water.
Water may leak into the interior of the device resulting in device failure.
Blower
Cleaning
paper
• Do not use a stick made of metal or other hard material which may damage glass.
• Wipe lightly from the center of the measuring window to the outside in a circular motion.
Содержание HandyRef-K
Страница 1: ...OPERATOR S MANUAL HANDHELD REF KERATOMETER...
Страница 6: ...IV...
Страница 16: ...10 SAFETY PRECAUTIONS Labels and Symbols...
Страница 46: ...40 INTRODUCTION Connecting the Main Body and Station...
Страница 128: ...122 SPECIFICATIONS AND TECHNICAL INFORMATION EMC Electromagnetic Compatibility...