Sony MEX-BT4000P Operating Instructions Manual page 39

• You do not need to use a cable for
connection since Bluetooth technology is a
wireless technology, neither is it necessary
for the devices to face one another, such is
the case with infrared technology. For
example, you can use such a device in a bag
or pocket.
• Bluetooth technology is an international
standard supported by millions of
companies all over the world, and employed
by various companies worldwide.
On Bluetooth communication
• Bluetooth wireless technology operates
within a range of about 10 m.
Maximum communication range may vary
depending on obstacles (person, metal, wall,
etc.) or electromagnetic environment.
• The following conditions may affect the
sensitivity of Bluetooth communication.
– There is an obstacle such as a person, metal,
or wall between this unit and Bluetooth
device.
– A device using 2.4 GHz frequency, such as a
wireless LAN device, cordless telephone, or
microwave oven, is in use near this unit.
• Because Bluetooth devices and wireless LAN
(IEEE802.11b/g) use the same frequency,
microwave interference may occur and result
in communication speed deterioration,
noise, or invalid connection if this unit is
used near a wireless LAN device. In such as
case, perform the following.
– Use this unit at least 10 m away from the
wireless LAN device.
– If this unit is used within 10 m of a wireless
LAN device, turn off the wireless LAN device.
– Install this unit and Bluetooth device as near
to each other as possible.
• Microwaves emitting from a Bluetooth
device may affect the operation of electronic
medical devices. Turn off this unit and other
Bluetooth devices in the following locations,
as it may cause an accident.
– where inflammable gas is present, in a
hospital, train, airplane, or petrol station
– near automatic doors or a fire alarm
• This unit supports security capabilities that
comply with the Bluetooth standard to
provide a secure connection when the
Bluetooth wireless technology is used, but
security may not be enough depending on
the setting. Be careful when communicating
using Bluetooth wireless technology.
• We do not take any responsibility for the
leakage of information during Bluetooth
communication.
• Connection with all Bluetooth devices
cannot be guaranteed.
– A device featuring Bluetooth function is
required to conform to the Bluetooth
standard specified by Bluetooth SIG, and be
authenticated.
– Even if the connected device conforms to the
above mentioned Bluetooth standard, some
devices may not be connected or work
correctly, depending on the features or
specifications of the device.
– While talking on the phone hands free, noise
may occur, depending on the device or
communication environment.
• Depending on the device to be connected, it
may require some time to start
communication.
Others
• Using the Bluetooth device may not function
on cellular phones, depending on radio wave
conditions and location where the
equipment is being used.
• If you experience discomfort after using the
Bluetooth device, stop using the Bluetooth
device immediately. Should any problem
persist, consult your nearest Sony dealer.
If you have any questions or problems
concerning your unit that are not covered in
this manual, consult your nearest Sony dealer.
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