LG 55UH5C B 3840X2160 500Nit Retail ‎55UH5C-B, HD, HDMI Review

We got it as a display for our showroom. As soon as we received it, I opened it up and found that there was NO manual explaining how to set up a multi-screen display. After calling tech support several times, I found out that VIZ YouTube had a secret code that you had to press on the sometimes working/sometimes non-working remote to get into the SECRET menu. You can then set it up to work as a supercharacter as it should. Well, countless phone calls and hundreds of hours later - it's stuck on a

I installed 10 of these displays (one was a 65" version) and had no trouble getting the Supersign display to work. As another reviewer noted, there is a secret code to access the server menu. Turn on the display > press and hold the SETTINGS button (about 5 seconds) until a blank message box appears briefly in the top right corner (you may need to press and hold again if you don't see it). When you see the pop-up, press zero (0000) four times, then press OK. Some displays use the code 1105…