Bedienungsanleitung Lenovo ibm e400 projector (Seite 10 von 72) (Englisch)

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Extension cords and related devices

Ensure that extension cords, surge protectors, uninterruptible power supplies, and power

strips that you use are rated to handle the electrical requirements of the product. Never

overload these devices. If power strips are used, the load should not exceed the power

strip input rating. Consult an electrician for more information if you have questions about

power loads, power requirements, and input ratings.

Plugs and outlets

If a receptacle (power outlet) that you intend to use with your computer equipment appears

to be damaged or corroded, do not use the outlet until it is replaced by a qualified

electrician.

Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to

obtain a replacement.

Some products are equipped with a three-pronged plug. This plug fits only into a grounded

electrical outlet. This is a safety feature. Do not defeat this safety feature by trying to

insert it into a non-grounded outlet. If you cannot insert the plug into the outlet, contact

an electrician for an approved outlet adapter or to replace the outlet with one that enables

this safety feature. Never overload an electrical outlet. The overall system load should

not exceed 80 percent of the branch circuit rating. Consult an electrician for more

information if you have questions about power loads and branch circuit ratings.

Be sure that the power outlet you are using is properly wired, easily accessible, and located

close to the equipment. Do not fully extend power cords in a way that will stress the

cords.

Connect and disconnect the equipment from the electrical outlet carefully

Batteries

All IBM personal computers contain a non-rechargeable coin cell battery to provide power

to the system clock. In addition many mobile products such as Thinkpad notebook PCs

utilize a rechargeable battery pack to provide system power when in portable mode. Batteries

supplied by IBM for use with your product have been tested for compatibility and should

only be replaced with IBM approved parts.

Never attempt to open or service any battery. Do not crush, puncture, or incinerate batteries

or short circuit the metal contacts. Do not expose the battery to water or other liquids.

Only recharge the battery pack strictly according to instructions included in the product

documentation.

Battery abuse or mishandling can cause the battery to overheat, which can cause gasses

or flame to “vent” from the battery pack or coin cell. If your battery is damaged, or if

you notice any discharge from your battery or the buildup of foreign materials on the

battery leads, stop using the battery and obtain a replacement from the battery manufacturer.

Batteries can degrade when they are left unused for long periods of time. For some

rechargeable batteries (particularly Lithium Ion batteries), leaving a battery unused in a

viii IBM E400 PROJECTOR: User’s Guide

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