User manual SONY DPP-A-BT1

[. . . ] This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. [. . . ] You cannot change the pass cord with the printer. The communication distance of the product may vary depending on the obstacles between the product (a human body, metal object, or wall) and mobile phone or other device. ⷠSensitivity of the Bluetooth communication may be affected in the following conditions: - When there is an obstacle between the product and the mobile phone or other product such as a human body, metal object, or a wall. - Were a wireless LAN is established or a microwave oven is being used near-by, or other electromagnetic wave is emitted. 11b/g) device use the same frequency ranges, wave interferences may occur when the product is used near a device equipped with a wireless LAN. This may cause deterioration in the communication speed and connection conditions. If this occurs, take the following measures: - Keep a distance of at the nearest 10 m from a wireless LAN device when you connect the product to the mobile phone. ­ Turn off the wireless LAN device in case you should use the product within 10 m from the wireless LAN device. ⷠIt is not guaranteed that this product works with all devices enabled with Bluetooth wireless technology. ⷠDo not use this product outsides the area you purchased it. Depending on the areas, the use of this product may infringe the wave regulations and may be subject to its penalty. ⷠSony cannot assume any responsibilities for any information leakage that may be caused in Bluetooth communications. [. . . ] For customer support information, please refer to the operating instructions of your printer. (*This distance may vary depending on the following conditions: obstacles between devices, signal quality, magnetic fields, static electricity and electromagnetic interference, software, operating system, reception sensitivity, and antenna performances. [. . . ]