P 12/16previous /next song on BTC8 When a Bluetooth device and a wired device areconnected at the same time, BTC8 will switch to the lastconnected device for playback.If you plug in a music player to the Line in socket of BTC8while playing music from a Bluetooth device, the music fromthe wired device will be played back.g) Making Calls with BTC8If your cell phone is Bluetooth-enabled and has a HFPconnection set up with BTC8, you can make calls andremotely control calls using BTC8.i. Set BTC8 and your car FM radio to the same frequency;ii. Pair your cell phone with BTC8. After successfullyestablishing a HFP connection, (red LED of buttoncomes on) you can make calls with BTC8.iii. Redial last number: Press and hold button for 3secondsiv. Cancel calling: Press button to cancel the call.v. Answer call: When ringing, press button to answercall.vi. Reject call: When ringing, press and hold buttonfor about 2 seconds to reject call.vii. End call: When in a conversation, press button toend call.h) Line-outIf your car stereo system has a stereo line in socket, youcan also transmit music to it using an audio cable. Theinput socket in your car stereo is called “AUX” or“Auxiliary”.You have to use a 3.5mm to 3.5mm audio cable. One endinserts into the Line out socket of BTC8 and the other end