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Safety Precautions And Maintenance - NEC MD21GS-3MP Installation & Maintenance Manual

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Recommended Use

Safety Precautions and Maintenance

• DO NOT OPEN THE Display. There are no user serviceable parts inside and opening or removing
covers may expose you to dangerous shock hazards or other risks. Refer all servicing to qualified
service personnel.
• Do not spill any liquids into the cabinet or use your display near water.
• Do not insert objects of any kind into the cabinet slots, as they may touch dangerous voltage
points, which can be harmful or fatal or may cause electric shock, fire or equipment failure.
• Do not place any heavy objects on the power cord. Damage to the cord may cause shock or fire.
• Do not place this product on an unbalanced or unstable cart, stand or table because the display
may fall, causing serious damage.
• Do not place any objects onto the display and do not use the display outdoors.
• The inside of the fluorescent tube located within the display contains mercury. Please follow the
bylaws or rules of your municipality to dispose of the tube properly.
• Do not bend power cord.
• Do not use display in high temperatured, humid, dusty, or oily areas.
• Do not cover vent on display.
Immediately unplug your display from the wall outlet and refer servicing to qualified service personnel
under the following conditions:
• When the power supply cord or plug is damaged.
• If liquid has been spilled, or objects have fallen into the display.
• If the display has been exposed to rain or water.
• If the display has been dropped or the cabinet damaged.
• If the display does not operate normally by following operating instructions.
• If glass is broken, handle with care.
• If display or glass is broken, do not come in contact with the liquid crystal and handle with care.
• Allow adequate ventilation around the display so that heat can properly dissipate. Do
not block ventilated openings or place the display near a radiator or other heat
sources. Do not put anything on top of display.
• The power cable connector is the primary means of detaching the system from the
power supply. The display should be installed close to a power outlet which is easily
• Handle with care when transporting. Save packaging for transporting.
Image Persistence
Please be aware that LCD Technology may experience a phenomenon known as Image Persistence.
Image Persistence occurs when a residual or "ghost" image of a previous image remains visible on
the screen. Unlike CRT monitors, LCD monitors' image persistence is not permanent, but constant
images being displayed for a long period of time should be avoided. To alleviate image persistence,
turn off the monitor for as long as the previous image was displayed. For example, if an image was
on the monitor for one hour and a residual image remains, the monitor should be turned off for one
hour to erase the image.
NOTE: As with all personal display devices, NEC-Mitsubishi Electronics Display recommends
displaying moving images and using a moving screen saver at regular intervals whenever the screen
is idle or turning off the monitor when not in use.



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