ASUS X550L User Manual

10

Notebook PC E-Manual

Required for UL 1 covering telecommunications (telephone) equipment 

intended to be electrically connected to a telecommunication network that has an 

operating voltage to ground that does not exceed 00V peak, 300V peak-to-peak, 

and 10V rms, and installed or used in accordance with the National Electrical 

Code (NFPA 0).

When using the Notebook PC modem, basic safety precautions should always be 

followed to reduce the risk of fire, electric shock, and injury to persons, including 

the following:

• 

DO NOT use the Notebook PC near water, for example, near a bath tub, 

wash bowl, kitchen sink or laundry tub, in a wet basement or near a 

swimming pool. 

• 

DO NOT use the Notebook PC during an electrical storm. There may be a 

remote risk of electric shock from lightning.

• 

DO NOT use the Notebook PC in the vicinity of a gas leak.

Required for UL 1 covering primary (nonrechargeable) and secondary 

(rechargeable) lithium batteries for use as power sources in products. These 

batteries contain metallic lithium, or a lithium alloy, or a lithium ion, and may 

consist of a single electrochemical cell or two or more cells connected in series, 

parallel, or both, that convert chemical energy into electrical energy by an 

irreversible or reversible chemical reaction. 

• 

Do not dispose the Notebook PC battery pack in a fire, as they may 

explode. Check with local codes for possible special disposal instructions 

to reduce the risk of injury to persons due to fire or explosion.

• 

Do not use power adapters or batteries from other devices to reduce the 

risk of injury to persons due to fire or explosion. Use only UL certified 

power adapters or batteries supplied by the manufacturer or authorized 

retailers.