Performing Communications - Casio IT-G400 Series User Manual

Performing Communications

®
Bluetooth Communication
®
Bluetooth
With Bluetooth
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 Smart Devices face each other within fi ve meters. Surroundings
(obstacles) between the Smart Devices may cause a shorter distance.
• Make sure there is at least two meters between the Smart Device 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 Smart Devices 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 Smart Device to a
different location. Normal communication may not be possible in areas exposed to
strong radio waves.
• Interference by WLAN
Because Bluetooth
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 Smart Device
and a WLAN device, turn off the power of either the Smart Device or the WLAN
device.
• If the Smart Device's wireless LAN and Bluetooth® communication are used at the
same time, ambient radio signals may make communication impossible.
interface can also be used to transfer data between two Smart Devices.
®
the two Smart Devices should be located within about fi ve meters from
®
and WLAN use the same frequency band (2.4GHz), radio
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