USING BLUETOOTH87 87 What is Bluetooth?89 Using a Bluetooth stereo headset92 Using a Bluetooth mobile phone98 Transferring files to/from a bluetoothdevice103 Using the Bluetooth menu104 Bluetooth settingscontentsUPGRADING FIRMWARE106 106 Upgrading firmwareTROUBLESHOOTING108 108 TroubleshootingAPPENDIX112 112 Menu Tree113 Product Specifications115 License116 Warranty