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Performing 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 three meters
(9
'10
3
⁄
8
"
) 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 three meters (9
'10
3
⁄
8
"
).
Surroundings (obstacles) between the Handheld Terminals may cause a shorter
distance.
Make sure there is at least two meters (6'7") 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 (9'10
3
⁄
8
) 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 TV and radio
receptions may be interfered (images on the screen produced by certain channels
of UHF and broadcast satellite may become blurry).
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 (32
'10
3
⁄
4
"
) away from the WLAN device.
If you cannot keep the distance at least 10 meters (32
'10
3
⁄
4
"
) 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,
communication may not be possible depending on the surrounding radio wave
environment.
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