Casio DT-X7 - Manual (Page 39)

E-37
Bluetooth
®
Communication
Bluetooth ® interface can also be used to transmit data between two Handheld Terminals.
With Bluetooth ® the two Handheld Terminals should be located within about three meters
(9 '10 3 ⁄
8
" ) (Laser Scanning and C-MOS Imager models) or 100 meters (328 '1" ) (DT-
X7M10U) 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 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 approaching such a
device when its power is turned on, proper communication may prove impossible
while this may also cause interference with TV and radio reception (images
produced by certain UHF and broadcast satellite channels 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.
RF Wireless LAN Interference
Because Bluetooth
® and RF wireless LAN use the same frequency band
(2.4GHz), radio interference can occur if there is a wireless LAN device nearby.
This can result in lower communication speeds, 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 wireless LAN device.
If you cannot keep the distance at least 10 meters (32 '10 3 ⁄
4
" ) or more between the
Handheld Terminal and a wireless LAN device, turn off the power of either the
Handheld Terminal or the wireless LAN device.
Although the Handheld Terminal enables wireless LAN 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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