ZTE Corporation 840Z Manuale Utente

• Do not put the handset’s battery in your mouth, as battery electrolytes may be poisonous if

swallowed.

• Do not attempt to dismantle the handset or any of its accessories.

• Do not put a battery into a microwave oven, dryer, or high-pressure container.

• Do not contact battery directly to an electric outlet or cigarette lighter charger. Use only

approved charger units.

• Do not pierce battery with a sharp object such as a needle.

• Do not disassemble or modify the battery.

• Do not use a damaged or deformed battery.

• Do not drop, throw, or subject the handset to rough treatment.

• Do not solder the battery directly.

• Stop using the battery if abnormal heat, odor, discoloration, deformation, or abnormal

condition is detected during use, charge, or storage.

• Remove the battery whose life cycle has expired from equipment immediately.

• This equipment is fitted with an internal battery. Take it to a qualified service engineer when

the replacement of the battery is required.

• The earpiece may become warm during normal use. Also, the handset itself may become

warm while the battery is being charged.