Playing Multiple Screens - Samsung JS8500 E-Manual

Playing Multiple Screens

You can surf the web or run an app while viewing the TV. You can change the size of each screen by
dragging the circle in the middle of the screen to the left or right.
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This function is only supported for the 6500 series models or higher.
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For more information, refer to "Viewing Multiple Screens or Features with Multi-Link Screen."