restarting

I have a Sony dh740 av receiver and a lg blue ray player (not sure of the model) when ever I adjust the volume on the receiver while I'm watching a blue ray disc it will restart the movie, it does it if I adjust the volume by remote control or the knob on the receiver. Hdmi runs from the br...

Giving it a go again - learning to use REW, after taking a several month long hiatus from this. The intent is not to test home theatre setups but rather to measure performance of various loudspeaker designs. If this isn't the ideal area of the forum for getting started, please do redirect...