There is a HDMI timing issue with these models (and potentially others) which cause a blank screen to appear when connecting to a HDBaseT receiver.
This is a general incompatibility issue with HDBaseT technology and not specific to Pulse-Eight.
We are working with LG to resolve this issue, but as yet do not have an update on when a software fix will be made available
Reported models with known issues: UH6500, UH668V, UH750V, UH652V, 55UH850V, OLED55E6V, 49UH661V
So far, the most successful workaround to this is to install a P8-HDMIDAC between the HDBaseT receiver and TV. Below are a few possible solutions that were reported to work on certain models:
1) Update TV frmware to latest version.
(15/7/2016 Update: Version 3.20.00 or newer has been reported to fx some models but has not worked on all TV models. We have informed LG of this problem)
2) Try connecting to a diﬀerent HDMI input port on the TV
3) Connect a HDMI Splitter between the output of our Receiver and input of the TV.