[. . . ] English Playing Back via Bluetooth Bluetooth USB Adapter Note y If your mobile phone supports A2DP protocol, its music will play through the unit. [. . . ] During this period, you can operate the mobile phone or Bluetooth-enabled device to pair with the unit within a 10 m (33 ft) range. Y The unit may not work as normal depending on the circumstance even though the unit is placed within the 10 m (33 ft) range. In such cases, get the Bluetooth-enabled device closer to the unit and retry the operation. Once the unit is detected and its name “Onkyo UBT-1” appears on the display of your Bluetoothenabled device, select the “Onkyo UBT-1”. y When a Bluetooth connection is established successfully , the indicator will be solid on. Y When disconnecting on your Bluetooth-enabled device, the indicator on the unit will go out. Note 取扱説明書 y If there is no sound output even after the paring is done successfully, consult the user manual of the Bluetooth-enabled device, and then select the “Onkyo UBT-1” as the audio output device. Y Some Bluetooth audio transmitters may need to re-establish pairing for each connection. [. . . ] To avoid this problem, connect the unit to the USB terminal on the front side of the amplifier. [. . . ]