DRC-BT15_U2 [US] 3-280-224-11(1)
22
US
Precautions
On Bluetooth communication
• Bluetooth wireless technology operates
within a range of about
10 meters (about 30 feet).
Maximum communication range may
vary depending on obstacles (human
body, metal, wall, etc.) or
electromagnetic environment.
• The antenna is built into the unit as
illustrated in the dotted line. The
sensitivity of the Bluetooth
communication will improve by turning
the direction of the built-in antenna to
the connected Bluetooth device.
The communication distance shortens
when the obstacles are between the
antenna of the connected device and
this unit.
• The following conditions may affect the
sensitivity of Bluetooth communication.
– There is an obstacle such as a human
body, 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 resulting 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 (about
30 ft) away from the wireless LAN
device.
– If this unit is used within 10 m (about
30 ft) 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 a 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, Inc. 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.
Location of
built-in antenna
01US05ADD-BT15_U2.p65 23/10/07, 2:20 pm22
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