Sony BT50 Operating Instructions - Page 21

Precautions On Bluetooth communication • Bluetooth wireless technology operates within a range of about 10 meters (about 30 feet). Maximum communication range may vary depending on obstacles (person, metal, wall, etc.) or electromagnetic environment. • The aerial of this unit is built into the housing for the right ear. The sensitivity of Bluetooth communication will improve by placing a connected Bluetooth device on your right side. • The following conditions may affect the sensitivity of Bluetooth communication. - There is an obstacle such as a person, metal, or wall between this unit and Bluetooth device. - A device using 2.4 GHz frequency, such as a wireless LAN device, cordless telephone, or microwave oven, is in use near this unit. • Because Bluetooth devices and wireless LAN (IEEE802.11b/g) use the same frequency, microwave interference may occur and resulting in communication speed deterioration, noise, or invalid connection if this unit is used near a wireless LAN device. In such as case, perform the following. - Use this unit at least 10 m (about 30 ft) away from the wireless LAN device. - If this unit is used within 10 m (about 30 ft) of a wireless LAN device, turn off the wireless LAN device. - Install this unit and Bluetooth device as near to each other as possible. • Microwaves emitting from a Bluetooth device may affect the operation of electronic medical devices. Turn off this unit and other Bluetooth devices in the following locations, as it may cause an accident. - where inflammable gas is present, in a hospital, train, airplane, or a petrol station - near automatic doors or a fire alarm • This unit supports security capabilities that comply with the Bluetooth standard to provide a secure connection when the Bluetooth wireless technology is used, but security may not be enough depending on the setting. Be careful when communicating using Bluetooth wireless technology. • We do not take any responsibility for the leakage of information during Bluetooth communication. • Connection with all Bluetooth devices cannot be guaranteed. - A device featuring Bluetooth function is required to conform to the Bluetooth standard specified by Bluetooth SIG, and be authenticated. - Even if the connected device conforms to the above mentioned Bluetooth standard, some devices may not be connected or work correctly, depending on the features or specifications of the device. - While talking on the phone hands free, noise may occur, depending on the device or communication environment. • Depending on the device to be connected, it may require some time to start communication. Continued 21