Usage notice – Optoma EP783 User Manual
Page 4
English
4
English
4
Usage Notice
Do:
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Turn off the product before cleaning.
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Use a soft cloth moistened with a mild detergent to clean the
display housing.
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Disconnect the power plug from the AC outlet if the product
is not being used for a long period of time.
Don’t:
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Do not block the ventilation slots and openings on the unit.
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Do not use abrasive cleaners, waxes or solvents to clean the
unit.
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Do not use under the following conditions:
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In extremely hot, cold or humid environments.
Ensure that the ambient room temperature is within 5ºC
- 35ºC / 41ºF - 95ºF.
Relative Humidity is 5ºC - 35ºC / 41ºF - 95ºF,
80%(Max.), non-condensing
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In areas susceptible to excessive dust and dirt.
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Near any appliance that generates a strong magnetic field.
- In direct sunlight.
contact your local reseller or service center to change
the lamp as soon as possible.