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Security
When using this product, implement appropriate security measures to prevent the following:
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z Personal information being leaked via this product
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z Unauthorized operation of this product by a malicious third party
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z Interference or stopping of this product by a malicious third party
Take sufficient security measures. (
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z Make your PIN code as difficult to guess as possible.
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z Change your PIN code periodically.
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z Christie Digital Systems and its affiliate companies will never ask you directly for your PIN code. If you are
asked directly, do not give your PIN code.
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z Be sure to use a secure network with a firewall etc.
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z Set a PIN code and set restrictions on the users who can log in.
Disposal
When disposing of the product, ask your local authority or dealer about the correct methods of disposal.
The lamp contains mercury. When disposing of the used lamp unit, ask your nearest local authorities or dealer
about proper disposal of the unit.
Dispose of used batteries according to the instructions or your local disposal rules or guidelines.
Cautions on use
■ To achieve a high picture quality
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z You achieve a high picture quality by drawing curtains or blinds over windows and turning off any lights
near the screen to prevent outside light or light from indoor lamps from shining onto the screen.
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z Depending on the conditions, the picture may wobble due to the heated air from the air exhaust port or
heated or cooled air from the air conditioner.
Take care to ensure that neither the exhaust from the projector or other equipment, nor air from any air
conditioner blows on the front of the projector.
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z The projection lens is heated by the light from the luminous source, making the focus unstable in the period
just after switching on. The focus will stabilize after 30 minutes elapsed with the image being projected.
■ Do not touch the surface of the projection lens with your bare hands.
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If the surface of the lens is contaminated by fingerprints or dirt, this will be magnified and projected onto the
screen, degrading the picture.
■ LCD panel
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The LCD panel is precision-made. Note that in rare cases, pixels of high precision could be missing or always
lit. This is not a malfunction.
When a still image is projected for a long period, the image may burn in to the LCD panel. In this case, project
the white screen from the test patterns (
be possible to fully eradicate the burned-in image.
LX1750 User Manual
020-000638-01 Rev.1 (11-2013)
All manuals and user guides at all-guides.com
page 69)
page 74) for at least one hour. Note, however, that it may not always
Precautions for use
ENGLISH - 15
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