Join Date: Aug 2007
Location: Brisbane, Australia
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You dont actually HAVE to set the defaults... Last Valid is fine if you dont do much changing between listening modes
Last Valid will simply remember whatever the last selection you made was when receiving that signal type. Eg if you are receiving a 2 channel stereo source, and using the remote you put the receiver into a listening mode eg "DTS:NEO" or whatever... With Last Valid option, it will select DTS:Neo again the next time you encounter 2 channel stereo
But if you do want to set the default listening modes, so that you can switch around etc with the remote, but not have those changes "remebered" 9so next time, it will just go to the default you specified, rather than whatever you were last on when receiving this signal type before), then that is fine too.
Yes the Dolby D for DD 5.1, DTS for DTS etc is what you want in that case. In these instances, the signal is an encoded Dolby/DTS spec, and thus there is a dedicated listening mode for decoding/playing that codec. The other ones you listed are the rarer/non encoded formats, so there is no mathcing mode for them. Really it is up to personal taste - there is no right or wrong answer for any of this! For example, i like the Analog/PCM (eg from my xbox original, or cable box on non DD moveis) to be in ALL CH STEREO... but others might like to use Dolby PLII Movie etc. If you have a 7.1 setup you will often use the PLIIx modes, to generate the rear surround info for you. Use MULTICH litening mode for MultiCh PCM (eg from BluRay players that do internal decoding), the other ones like Mono and 192k, you are probably unlilkely to encounter anyway, so perhaps just leave them on Last Valid
The best way to handle this stuff is to use the DISPLAY button to identify what you are actually receiving (eg see what your cable box sends on normal channels, vs movie channels etc)... and sus out how you like to listen to that signal. Then go and set your defaults.