17Playing Audio via Aux In1. Connect one end of a standard 3.5mm stereo audiocable (not included) to the Aux-in jack on the back ofthe unit and connect the other end to the headphoneor line-out jack on your audio device.2. Press the Power Button on the unit to turn it on.3. Press and release the Mode Button as needed until“AUX-IN” appears on the display.4. Power on the audio device and use the controls on thedevice to play or pause audio, and navigate tracks.5. Press t he or Button to adjust the system volume.You can also adjust volume on your device.6. When done listening, press the Power Button to turnthe unit OFF. Remember to turn off your device, too.TIP: To mute the audio, press the Button. Press again torelease.Mobile Phone Game Devices iPod LaptopPC/Tablet MP3/MP4Using the K4