# Video Background Picture

When CMS sends camera images to the video wall, NO SIGNAL or black background is output for channels with no or empty camera signals.

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You can change the background to a picture that you specify by applying the image background picture.

<figure><img src="https://content.gitbook.com/content/OhqExQGOBVqTCHEAJ07o/blobs/4DwffhmOYG6FXXI1YfQL/image.png" alt=""><figcaption></figcaption></figure>

On the CMS Settings - Video Wall - Display server, select the NDS to which you want to apply the image background picture, and on the Background tab, click Update to select an image.

<figure><img src="https://1977198238-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FOhqExQGOBVqTCHEAJ07o%2Fuploads%2FuBXcoiq50ntDAhUySKpf%2Fimage.png?alt=media&#x26;token=606270e8-07ff-49d1-a36b-66bb8bd51426" alt=""><figcaption></figcaption></figure>

<figure><img src="https://1977198238-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FOhqExQGOBVqTCHEAJ07o%2Fuploads%2FYzpv0gbrgVfRwzlLILjF%2Fimage.png?alt=media&#x26;token=4ea14829-a255-4259-bbfd-34671b83d4b8" alt=""><figcaption></figcaption></figure>

If you have multiple NDSs in use, select them individually to update the image.

If you want to initialize, select by NDS and press the Initialize button.

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