Samsung QHC Series 43" 4K UHD Commercial Monitor - Manual (Page 90)

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2nd 3rd Description
General Anynet+ (HDMI-CEC) Anynet+ is a function that enables you to control all connected Samsung devices that support Anynet+ with your Samsung
product remote control. The Anynet+ system can be used only with Samsung devices that have the Anynet+ feature. To be sure
your Samsung device has this feature, check if there is an Anynet+ logo on it.
" You can only control Anynet+ devices using the product remote control, not the buttons on the product.
" The product remote control may not work under certain conditions. If this occurs, reselect the Anynet+ device.
" Anynet+ works when the AV device supporting Anynet+ is in the standby or on status.
" Anynet+ supports up to 12 AV devices in total. Note that you can connect up to 3 devices of the same type.