You might already have a high definition DVD player, cable/satellite box or some other audio/video device connected to your TV. To have the sound from that device play through your Bose® system, you will need to make audio connections and keep the current video connections as you have them.
There are three possible output connections on your audio/video device that are compatible with your Bose system:
Analog

Digital coax, also may be marked as S/PDIF

Digital optical

If your device has all three options, choose either digital coax or optical for the best audio quality.
Choose the type of audio connection you want to make from your audio/video device to the Bose system, and follow the steps below:
On the back of your audio device, insert one end of the RCA plugs into the AUDIO OUT jacks. The jacks are white for left and red for right

Insert the other end of the RCA plugs into the AUX audio in jacks on the Bose media center. The jacks are white for left and red for right

On the Bose remote, press AUX. The display will show "AUX" as the selected source of audio
On the remote, use Volume + and - to control the overall sound of your product
Note: If another device occupies the AUX input, use the Video 1 or Video 2 input on the back of the Bose media center and select that source.
On the back of your audio device, insert one end of the digital coax cable to digital AUDIO OUT. This might be marked as S/PDIF, and also may be orange or black in color

Insert the other end of the digital coax cable into the black AUX Audio IN jacks on the Bose media center. This is the bottom jack marked D for digital

On the Bose remote, press AUX. The display will show "AUX" as the selected source of audio
On the remote, use Volume + and - to control the overall sound of your product
Note: A digital signal will override an analog signal when connected to the same input.
Some optical cables come with a protective cover. Make sure to remove this cover before making your connections.
On the back or your audio device, insert one end of the optical cable to the "Optical Out" or "Digital Audio" output

Insert the other end of the optical cable into the optical jack on the Bose media center

On the Bose remote, press Video 1. The display will show "VIDEO 1" as the selected source of audio
On the remote, use Volume + and - to control the overall sound of your product
The Bose system has a single video input to allow one device to pass video through to the TV.
To pass a video signal through a Bose system, follow these steps:
Connect a video cable (composite or S-video) to the video output jack of the external device
Connect the other end of the cable to the video input jack on the Bose system connection panel

Connect another video cable of the same type to the video output jack of the Bose system and to an appropriate video input jack on the TV

Note: The same type of cable (composite or S-video) must be used for both input and output. The Bose system will not convert the video signal.
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