Originally Posted by jbug
During blank screens that last long enough to warrant it (between previews etc.) I'm getting that "error check connection" on my Panasonic 65VT50. However, once the movie starts all is well. I'm trying to figure out how to avoid having that pop up error message. Anyone familiar with this problem?
An HDMI handshake, or handshake retry, starts by "resetting" the video data flow -- basically muting the video. From the TVs point of view, the signal has just gone away (for a short while), and thus it has a no signal error. Many TVs are smart enough to mute their own display while an HDMI handshake is in process, but evidently yours is designed to be chatty and let you watch the sausage being made. There is probably no easy way to make the TV stop doing this, and there's certainly no way to prevent the HDMI handshakes from happening. But it is possible that by upgrading your HDMI cabling you can minimize the need for handshake RETRIES, which may mean the handshake gets itself sorted out the first time -- before the display decides to put up that complaint message.
Just to set expectations, due to built-in delays in the HDMI handshake protocol spec (intended to give the devices at both ends of the cable a chance to get their act together), the minimum time for an HDMI handshake is around 2 seconds. Retries increase that in multiples of 2 seconds. So watch how long it is taking to get the video signal stable and you can figure out roughly how many retries are happening. No or 1 retry is "typical". 2 or more retries means one or both of the devices is being sluggish/stubborn, or your cabling is marginal.
The problem is that the disc authoring may confuse things here. For example, going between "previews" on a disc may actually include more than one change of video format (as the disc goes back to Top Menu -- not visible to you -- and then immediately on to the next preview). So that will LOOK LIKE handshake retries are happening (since the disc never actually displays the first step), when in fact it is just the disc authoring going through multiple steps.