. (Channel) Use the Samsung Smart Remote less than 20 feet from the TV. The usable distance may vary with the wireless environmental conditions. The images, buttons, and functions of the Samsung Smart Remote may differ with the model. The Samsung Smart Remote may not be supported depending on the model or geographical area. To use the Samsung Smart Remote to control a compatible external device that does not support HDMI-CEC (Anynet+), you must configure universal remote control for the device