HDMI “Handshake”

Following a number of installations and demo’s where we have had to explain to our customers why a film is taking so long to make it’s appearance, here’s the reason:

 

The order in which the units in your system e.g. Blu-ray player, AV receiver, TV or Projector are connected is important as to whether or not the HDMI signals will pass through the system. We have found that generally the AV receiver should be turned on first, then the source device(s) e.g. DVD / Blu-ray player or Satellite / Cable and then the Display (TV) / Projector. This all has to do with getting the equipment to ‘handshake’ with each other so the HDCP protection protocol is followed. It is important for anyone programming their universal remote control with single button macros or hot keys to use this sequencing process.  Should this rule of thumb fail, don’t be afraid to swap things around if one unit in the chain is quicker to switch on than another.  Hopefully this helps.

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