In LG 75″ UHD LED 4k 75UV340C you can do much more from channel selection to volume level, you can control the TV settings in public areas. Public Display Mode also enables you to restore default settings, as required, on the TVs. Via the TV’s RS-232C port, you can remotely control power and volume settings simultaneously. WOL (Wake on LAN) helps you remotely turn on TVs over the internet. Connect TVs and a PC in the same network, and send Magic Packet program to the MAC addresses of registered TVs. Then, it will wake up the TVs via LAN port. Self Diagnosis enables engineers and IT to engineers to analyze the data and identify technical issues quickly and easily through a USB memory device. Clone your UV340C’s with efficiency and ease. The USB Cloning feature allows you to simply copy the TV settings to all the UV340C’s using a USB memory device (sold separately).