Thank you! That was it. I haven’t used stereo mode so I didn’t know what was happening, but that makes sense. Must have been an inadvertent tap on my Harmony remote.
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Panasonic TC-P65GT50 (65" plasma)
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Paradigm Monitor v2 Series 5.1 (Monitor 11 fronts | Mini Monitor pair as center | ADP-370 Dipole Surrounds)
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