ATSC 3.0 channels could eventually provide 4K HDR broadcasting and several other enhancements to the existing ATSC 1.0 format, but for now they are mostly relaying existing local HD channels in high-definition. You might have seen local broadcasters promoting these stations under the “NextGenTV” brand name. One of the main reasons I wanted to try the HDHomeRun was to gain access to ATSC 3.0 broadcasts. ![]() These latter channels are prone to occasional breakup on my Sony TV’s internal tuner, but the HDHomeRun 4K tuner appears to be a little more sensitive and manages to receive them without any problems. I live in the Washington, D.C., market, but I can also receive several channels from Baltimore. I have an external antenna, and within two minutes the box had detected 91 channels, including 14 in the ATSC 3.0 format. The Flex 4K’s four tuners allow it to tune in to for different channels at once. and Canada, and two of those tuners also support the new ATSC 3.0 format that has started popping up in some TV markets. All four support ATSC 1.0, the standard digital broadcast format used across the U.S. I’ve been talking about “the” tuner, but the HDHomeRun Flex 4K actually has four tuners. You can also scan channels through the app, but I found the web interface to be easier and faster. This brings up a basic UI that allows for channel tuning, along with a status page and a system menu. I made the three connections to the unit, waited a few moments for it to register on my home network, and then accessed it via a web interface. Getting the unit up and running was simple. Hopefully Silicondust support figures this out quickly.The rear of the HDHomeRun Flex 4K boasts a coax TV antenna connector, a power socket, ethernet, and a USB-A port. ![]() I enabled sending diagnostic information. I disconnected my white HDHRs and connected the new Connects in their place and immediately the recording gaps began. All of my tuners are connected to ports on a distribution amp. The Connect leaves recording gaps and sage error messages when connected to the same coax cable as the HDHR-US was connected to. My old white HDHR-US has recorded this channel perfectly for years. OTA Signal strength, Signal Quality and Symbol quality are all 100%. I think it does OTA but I am not sure how many people use it that way. It may be the splitter is taking just enough signal strength out of the line.ĭid you buy the one with 3 tuners or did you buy 3x of the 2 Tuner HDHR4? The 3 Tuner model (HDHomeRun Prime) was primarily designed for Cable and Cable Card. How is your signal strength? Do you have a Amp in the line anywhere. I added 2xHDHR4 to my original HDHR3, and HDHR. I'm now getting drop outs and "Halt detected in recording" tuner stopped producing data errors on my strongest channels which never had drop outs or errors before. They are not delivering on picture and sound as well as the original HDHR-US. I bought 3 of the connects so I would not need to add a splitter. Support explained that they are pretty much the same except for software features for commercial applications. I was uncertain of the difference between the Connect which costs a fraction of what I paid for my original tuners and the commercial model with 2 tuners they sell now which costs about what I paid for the originals. Now that I'm on version 9 with schedules direct and everything working well I wanted to add another 2 tuners. I eventually replaced both power supplies with models rated at 5 amps and have had no further problems with them. They have been work horses except for their power supply. I have two of the original HDHomeRun white box dual tuner model HDHR-US.
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