Samsung SGH-X640 - Manual (Page 65)

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Health and safety information
• Extreme temperatures will affect the charging capacity
of your battery: it may require cooling or warming
first.
• Do not leave the battery in hot or cold places because
the capacity and lifetime of the battery will be
reduced. Try to keep the battery at room temperature.
A phone with a hot or cold battery may not work
temporarily, even when the battery is fully charged. Li-
ion batteries are particularly affected by temperatures
below 0°C (32°F).
• Do not short-circuit the battery. Accidental short-
circuiting can occur when a metallic object like a coin,
clip or pen causes a direct connection between the +
and – terminals of the battery (metal strips on the
battery). For example, do not carry a spare battery in
a pocket or bag where the battery may contact metal
objects. Short-circuiting the terminals may damage
the battery or the object causing the short-circuiting.
• Dispose of used batteries in accordance with local
regulations. Always recycle. Do not dispose of
batteries in a fire.
Road safety
Your wireless phone gives you the powerful ability to
communicate by voice, almost anywhere, anytime. But an
important responsibility accompanies the benefits of
wireless phones, one that every user must uphold.
When driving a car, driving is your first responsibility.
When using your wireless phone while driving, follow local
regulations in the country or region you are in.
Operating environment
Remember to follow any special regulations in force in the
area you are in, and always switch off your phone
whenever it is forbidden to use it, or when it may cause
interference or danger.
When connecting the phone or any accessory to another
device, read its user’s guide for detailed safety
instructions. Do not connect incompatible products.
As with other mobile radio transmitting equipment, users
are advised that for the satisfactory operation of the
equipment and for the safety of personnel, it is
recommended that the equipment should only be used in
the normal operating position (held to your ear with the
antenna pointing over your shoulder).