8BLUETOOTH®You can operate Bluetooth devices using this unit.Connect the microphoneFor KDC-BT43U :For KDC-BT33U :Built-in microphonepositionIf you turn off the unit or detach the control panel duringa phone call conversation, the Bluetooth connection isdisconnected. Continue the conversation using your mobilephone.Supported Bluetooth profiles• Hands-Free Profile (HFP)• Serial Port Profile (SPP)• Phonebook Access Profile (PBAP)• Object Push Profile (OPP)• Advanced Audio Distribution Profile (A2DP)• Audio/Video Remote Control Profile (AVRCP)Pair a Bluetooth deviceWhen connecting a Bluetooth device to the unit for the first time, perform pairing between the unit andthe device. Once the pairing is completed, the Bluetooth device will remain registered in the unit even ifyou reset the unit.• Up to five devices can be registered (paired) in total.• A maximum of two Bluetooth phones and one Bluetooth audio device can be connected at any time.• This unit supports Secure Simple Pairing (SSP).• Some Bluetooth devices may not automatically connect to the unit after pairing. Connect the device tothe unit manually. Refer to the instruction manual of the Bluetooth device for more information.1 Press L SRC to turn on the unit.2 Search and select this unit model name (KDC-BT4*U/ KDC-BT3*U) on the Bluetooth device.“PAIRING” \ “PASS XXXXXX” \ Device name \ “PRESS” \ “VOLUME KNOB” scrolls on the display.3 Press the volume knob to start pairing.“PAIRING OK” appears when pairing is completed and “BT” will light up when the Bluetoothconnection is established.• For some Bluetooth devices, you may need to enter the Personal Identification Number (PIN) codeimmediately after searching.• KDC-BT43U : Pairing request (via Bluetooth) is automatically activated if an iPhone/iPod touch isconnected through the USB input terminal. (Applicable only if [AUTO PAIRING]/ [AUTO PAIR] is set to [ON].)(➜ 10)Press the volume knob to pair once you have confirm the passcode.Bluetooth test modeYou can check the connectivity of the supported profile between the Bluetooth device and the unit.1 Press to enter Bluetooth mode.2 Turn the volume knob to select [BT TEST MODE]/ [BT TEST], then press the knob.“PLEASE PAIR YOUR PHONE” appears.3 Search and select this unit model name (KDC-BT4*U/ KDC-BT3*U) on the Bluetooth device.4 Press the volume knob to start pairing and begin the test mode.“PAIRING” flashes on the display.The connectivity result (OK or NG) appears after the test.PAIRING : Pairing statusHF CNT: Hands-Free Profile (HFP) compatibilityAUD CNT: Advanced Audio Distribution Profile (A2DP) compatibilityPB DL: Phonebook Access profile (PBAP) compatibility• To cancel, press .Adjust themicrophone angleSecure using cord clamps (notsupplied) if necessary.MIC (Microphoneinput terminal) Microphone (supplied)Rear panel