Battery Unit; During Operation - NEC Express5800 Series User Manual

Battery unit

Do not put the battery in fire
Putting the battery in fire or heating the battery may cause an explosion.
Do not disassemble or alter the battery unit.
Do not disassemble or alter the battery unit. Doing so may cause an explosion or liquid leakage. The quality,
performance, and/or safety of the battery unit will not be guaranteed if it is disassembled or altered.
Keep the battery out of the reach of children and babies.
The toxic substance contained in the battery is harmful if it is taken into the body by mistake. Consult your doctor
immediately if it is swallowed.

During Operation

Avoid contact with US320f during thunderstorms.
Disconnect the power plug from the outlet when a thunderstorm is approaching. If it lightening occurs before you
disconnect the power plug, do not touch any part of US320f including the cables. Failure to follow this warning may
cause a fire or an electric shock.
Keep animals away from US320f.
Keep animals such as pets away from US320f. Pet hair or other waste can enter US320f, which may cause a fire or
electric shock.
Do not block the ventilation opening.
This can cause the internal temperature to rise, which may cause fumes and/or fire.
Remove headphones before connection.
Do not connect headphones to the line-out connector of US320f while you are wearing them. Doing so may damage
your ears.
Turn down the volume before connecting headphones.
Pay attention to the ventilation opening.
The temperature of the ventilation opening and its periphery is higher than room temperature. Exposing yourself to
exhaust from the ventilation opening may cause a low temperature burn. Special care must be taken if you have
sensitive skin.
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Express5800/US320f User's Guide
Precautions for Use (Be Sure to Read)