General guidelines – AT&T Z431 User Manual

Page 31

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•   When disposing of a battery, be sure it is nonconducting by applying vinyl tape to 

the (+) and (-) terminals.

•   Do not attempt to disassemble or modify the battery.
•   Do not drop or throw the handset.
•   Do not subject the handset to harsh treatment.
•   Stop using the battery if you notice it becoming abnormally hot, or if you notice 

any odor, discoloration, deformation, or anything abnormal occurring when

using the phone, charging the battery, or when the phone and/or battery are idle.

•   In the unlikely event of a battery leak, keep the battery discharge away from your 

eyes and skin. If the leakage does come into contact with your eyes or skin, flush

thoroughly with clean water and seek immediate medical attention.

•   Do not use a damaged or deformed battery.
•   Do not solder a battery.
•   When a battery has reached the end of its usable life cycle, immediately remove 

it from any equipment.

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

become warm while the battery is being charged.

•   When a handset is in vibration mode, the vibration can sometimes cause the 

handset to move.

•   Be careful not to place the handset near heat sources (such as a heater) or too 

close to the edge of a table.

•   Use a damp or anti-static cloth to clean the handset. Do not use an ordinary dry 

cloth or electrostatic cloth. Do not use chemical or abrasive cleaners as these

could damage the casing.

•   The use of third-party equipment, cables, or accessories not made or 

authorized by the manufacturer may invalidate the warranty of your handset

and may damage the handset.

54

Care and Maintenance

•   Remember to make backup copies of all important data stored on your handset.
•   The cardboard packing supplied with this handset is recyclable.
Caution: There is a risk of explosion if the battery is replaced with an incorrect

type. Dispose of used batteries according to the instructions.

General Guidelines

•   Unauthorized duplication of copyrighted material is prohibited by law in 

most countries. Please check the laws in your country concerning the use of

copyrighted material.

•   Many jurisdictions have laws and regulations restricting or prohibiting the use 

of camera and video equipment in public or private areas. Some jurisdictions

restrict or prohibit the distribution, display, processing, and general use of

photographs or videos based on where they were captured. Users are strongly

encouraged to obey all laws and to respect the personal rights of others.

•   Please check with your service provider regarding roaming surcharges and 

network availability. Coverage may not be available in some areas.

•   The use of mobile phones is not allowed in some areas, such as hospitals, 

research centers, and airplanes. The user is ultimately responsible for making

sure that the device is completely powered off. If there is any uncertainty about

this, remove the battery from the handset.

•   Observe any signs that indicate a prohibition or restriction of mobile phone use 

(such as those near gas stations or explosives) and when indicated, power off

the handset or device immediately.

•   If you have a heart condition, consult your physician before using a mobile 

phone.

•   Keep the handset, charger, and batteries away from children.
•   Do not use the handset where blasting is in progress.

55

Care and Maintenance

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