About Cleaning - Hitachi CM1711ME User Manual

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The rear cover MUST be removed only by authorized service personnel. This colour monitor
contains high voltage components.
To prevent electrical shock by the static electricity on the CRT surface, disconnect the power
cord at least 30 SECONDS AFTER turning off the power.
After the power has been turned on or "DEGAUSS" button has been pressed, the CRT is
demagnetized for approximately 10 seconds. This generates a strong magnetic field around the
front cover which may affect the data stored on magnetic tape or disks near the front cover.
Place such magnetic recording equipment and tapes/disks apart from this unit,
DO NOT repeat OFF and ON in a short period. It may cause blurred colours or distortion of the
displayed pattern.
For complete separation from the power source, remove the power cord from the monitor or
from the wall outlet.
Avoid direct rays of the sun or room lighting onto the CRT screen in order to prevent eye
fatigue.
This monitor has a non-glare and anti-electrostatic treatment on the surface of the screen.
water or alcoholic solvent with a soft cloth like gauze to clean the surface of the screen.
NEVER use abrasive, glass cleaner containing highly concentrated ammonia and strong base
chemicals since they damage the surface treatment.
Clean the cabinet and controls with a lightly moistened soft cloth.
DO NOT use aerosol sprays, solvents or abrasive cleaners.
This equipment relies on the protective devices in the building installation for short - circuit and
over - current protection. Refer to the following table for the suitable number and location of
the protectivedevices which should be provided in the building installation.
Protective devices in single - phase equipment or sub - assemblies
Equipment to be connected to
POWER SYSTEMS with earthed
neutral reliably identified
Equipment to be connected to
any supply, including IT POWER
SYSTEMS and supplies with
reversible plugs
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Verify that the protective devices in the building installation meets the conditions in the table
prior to installing the equipment.
Protection
Minimum number
against
of fuses or circuit -
breaker poles
Earth faults
Overcurrent
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Location
1
Both conductors
1
Either of the two
conductors
2
conductor _
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Use
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