
(Brown wire) 2.5mm External microphone (Optional) Gnd (Black wire) LC Box (with fuse) Acc (Red wire) Figure 1: System diagram Instructions 1. Connect the 12V (Acc and Gnd) to car supply. 2. Connect the RCA-L and RCA-R to car stereo auxiliary (AUX) input. Alternately, you can use the RCA to 3.5mm jack cable (included) to connect to car stereo that supports 3.5mm AUX input. 3. Connect TEL-INT. pin to car stereo telephone mute line (if this feature is supported). 4. Make sure that the car stereo sy