Verykool s810 - Manual (Page 8)

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When connecting the phone or any accessory to another device,
read its user’s guide for detailed safety instructions. Do not connect
incompatible products.
It is recommended that the equipment only be used in the normal
operating position (held to your ear with the antenna pointing over
your shoulder) for your satisfactory operation of the equipment and
for the safety of personnel.
Do not expose the equipment to temperature below -10℃ (14° F) or
above 50℃ (122° F).
Most electronic equipment is shielded from radio frequency signals.
Consult the manufacturer for relevant information.
Electronic devices
Pacemakers: Maintain a minimum distance of 6 inches (15cm)
between a wireless phone and a pacemaker; do not put your phone
in a pocket near the chest; use your ear furthest from the
pacemaker to reduce possible interference. If you have any reason
to suspect that interference is taking place, switch off your phone
immediately.
Hearing aids: Some digital wireless phones may interfere with some
hearing aids. In the event of such interference, you may consult
your hearing aid manufacturer.
Other medical devices: If you use any other personal medical
devices, consult the manufacturer of your device to determine if it is
adequately shielded from external RF energy. Your physician may
be able to assist you in obtaining this information. Switch off your
phone in health care facilities when regulations posted in these
areas instruct you to do so.
Vehicles: RF signals may affect improperly installed or inadequately
shielded electronic systems in motor vehicles. Check with the