12
MK20HD PLUS / MK20W
English
PRECAUTION FOR USE
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Handle carefully
Do not drop the product, or subject it to strong shock or vibration
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Use the product in an ambient temperature of 32 °F to 122 °F (0 °C to 50 °C).
Avoid using the product at a cold place below 32 °F (0 °C) or at a hot place above 122 °F (50 °C).
Extremely temperatures will adversely affect the delicate parts of the unit. Room temperature of 77°F
± 5° (25°C ± 5°) is recommended operation temperature.
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Power off before connecting or disconnecting cables.
Be sure to switch the power off before plugging or unplugging the cables.
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Avoid humidity and dust.
Avoid using the product at a humid or dusty condition because much humidity and dust will cause
damage to the parts inside the unit.
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Maintenance
Clean the product using a dry cloth. To remove stubborn dirt, dip a cloth into a diluted solution of
kitchen detergent, wring it out well, and wipe the product gently. After wiping the product with a moist
cloth, wipe it again with a dry cloth.
Caution
● Avoid using benzene, paint thinners and other volatile fluids.
● If a cleaning chemical is to be used, carefully read through the precautions for its use.
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Precaution to be observed during production
This product’s image switching and image effect functions can be used to produce images which
flicker rapidly or images which change rapidly.
However, bear in mind when using these functions in production that the kinds of images produced
may have an adverse effect on the viewer’s physical well-being.
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Handling the optional boards
Be absolutely sure to turn off the power of the product before installing or removing any of the optional
boards.
Beware of sharp or pointy edges and metal parts of the boards when installing or removing the
optional boards.
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When the product is to be discarded
When the product is to be discarded at the end of its service life, ask a specialized contractor to
dispose of it properly in order to protect the environment.
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Concerning the consumable parts
Power supply unit: This is a consumable part. As a general rule, replace it every 5 years or so (when
the unit has been operated for 15 hours a day).
The period when the consumable parts need to be replaced will differ depending on the operating
conditions.
Ask your local dealer for the replacement service.
