Sony DRBT20NX Headphones User Manual


 
21
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 (person,
metal, wall, etc.) or electromagnetic
environment.
The aerial of this unit is built into the
unit. The sensitivity of BLUETOOTH
communication will improve by placing
a connected BLUETOOTH device near
the unit.
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 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,
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.
Continued