The preview of a Player is displayed into a web page. Using the browser graphics engine, WallSign emulates the device engine taking a real preview of each content. 

This feature is not available for BrightSign players beacuse their own graphics engine cannot be simulated into a web browser.

Every time the preview is opened, the browser will download the media contents as images, video etc, and will request all the other real-time contents as weather, news etc. This initializing phase takes time and the screen may still black from few seconds. 

The player preview is avalable for a fixed time: after that the screen will show the expiration phrase and stops the preview.

If the licence of the player is expired the preview will be not available.

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