Function and Opration for KCA-RC406 General control Hands-free phone control • Volume control: [VOL] Making a call • Source select: [SRC] • Enter Bluetooth mode: [Ú] Press and hold to turn off the power. • Select a dialing method: [5]/[∞] ➜ [ENT] • Volume reduce: [ATT] • Number dial input: When the button is pressed again, the volume Input a digit: [0] –...