Panasonic EB-GD75 - Manual (Page 5)

Care and Maintenance
Pressing any of the keys may produce a loud tone. Avoid holding
the phone close to the ear while pressing the keys.
Extreme temperatures may have a temporary effect on the
operation of your phone. This is normal and does not indicate a
fault.
Do not modify or disassemble the equipment. There are no user
serviceable parts.
Do not subject the equipment to excessive vibration or shock.
Avoid contact with liquids. If the equipment becomes wet
immediately remove the power and contact your dealer.
Do not leave the equipment in direct sunlight or a humid, dusty
or hot area.
Keep metallic items that may accidentally touch the terminals
away from the equipment.
Always charge the battery in a well ventilated area, not in direct
sunlight, between +5°C and +35°C. It is not possible to
recharge the battery if it is outside this temperature range.
Do not incinerate or dispose of the battery as ordinary rubbish.
The battery must be disposed of in accordance with local
legislation and may be recycled.
When disposing of any packing materials or old equipment
check with your local authorities for information on recycling.
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Care and Maintenance