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Wireless BLUETOOTH technology
BLUETOOTH wireless technology is a short-range technology that enables wireless
data communication between digital devices such as PC and digital camera. Wireless
BLUETOOTH technology works in a range of about 10 m.
The two devices are connected to each other, but some devices can be connected to
more than one device at a time.
No cable is required for the connection, nor is it necessary to place the devices
opposite each other as with infrared technology. For example, you can use the device
even if it is in a backpack or pocket.
The BLUETOOTH standard is an international standard supported and used by many
companies around the world.
Maximum communication range
The maximum communication range may be shorter in the following conditions.
There are obstacles such as people, metal or a wall between this system and the
BLUETOOTH device.
A LAN device is used near this system. A microwave oven is used near this system.
An electromagnetic radiation generating device is used near this system.
Interference from other devices
BLUETOOTH and wireless LAN (IEEE802.11b/g) devices use the same frequency, so
if you use this system near a wireless LAN device, microwave interference may occur,
which may result in poor communication speed, noise, or poor connection. In this case,
do the following.
Use this system at least 10 m from a wireless LAN device.
If you use this system less than 10 m away from the wireless LAN device, turn off the
wireless LAN device.
Interference from other devices
Microwaves emitted by the BLUETOOTH device may affect the operation of electronic
medical devices. Turn off both the system and the BLUETOOTH device in the following
places, as there is a risk of danger:
- in the vicinity of flammable gases, in hospitals, trains, aircraft or service stations,
- near automatic doors or fire alarms.
