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Performing Communications
Bluetooth
®
Communication
Bluetooth
®
interface can also be used to transfer data between two Handheld Printer
Terminals.
With Bluetooth
®
the two Handheld Printer 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 Printer Terminals face each other within three meters
(9
'10
3
⁄
8
"
). Surroundings (obstacles) between the Handheld Printer Terminals may
cause a shorter distance.
Make sure there is at least two meters (6'7") between the Handheld Printer
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 Printer 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 Printer 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 Printer Terminal and a WLAN device, turn off the power of either the
Handheld Printer Terminal or the WLAN device.
Although the Handheld Printer 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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