E-29
Performing Communications
Bluetooth
®
Communication
Bluetooth
®
interface can also be used to transfer data between two Handheld Terminals.
With Bluetooth
®
the two Handheld Terminals should be located within about ve meters
from each other, as long as there is nothing blocking the path between them.
Important!
Observe the following precautions to help ensure that Bluetooth communication is
successful.
Make sure two Handheld Terminals face each other within ve meters.
Surroundings (obstacles) between the Handheld Terminals may cause a shorter
distance.
Make sure there is at least two meters between the Handheld Terminal and
other equipment (electrical appliances, audio-visual equipment, OA equipment,
and digital cordless telephones, facsimile machines, etc.). Take special care with
microwave ovens. Allow at least three meters between the Handheld Terminals
in wireless operation and a microwave oven. When operating the terminal in
Bluetooth nearby these devices and electrical appliances with their powers
being turned on, communication may be interrupted or radio receptions may be
interfered.
Normal communication may not be possible in an area near a broadcast trans-
mitter or wireless transmitter. If this happens, move the Handheld Terminal to a
different location. Normal communication may not be possible in areas exposed
to strong radio waves.
Interference by WLAN
Because Bluetooth
®
and WLAN use the same frequency band (2.4GHz), radio
interference can occur if there is a WLAN device nearby. This can result in lower
communication speed, or even make it impossible to establish a connection. If
this happens, try the following countermeasures.
Move at least 10 meters away from the WLAN device.
If you cannot keep the distance at least 10 meters or more between the Handheld
Terminal and a WLAN device, turn off the power of either the Handheld Terminal
or the WLAN device.
Although the Handheld Terminal enables WLAN and Bluetooth
®
communication to
be used simultaneously as a result of being equipped with Bluetooth
®
Ver.2.0/2.1,
communication may not be possible depending on the surrounding radio wave
environment.
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