GLMedia — blank worksheet: MD-HX audio, pairs and return. No tests performed. Event / date / off-air window / person responsible: MD-HX serial prefix / firmware / manual and edition / exact receiver / application and version: Video diagram / HDMI OUT SOURCE / SDI OUT SOURCE / Output 1 is loop / connector: HDMI OUT TYPE / receiver-supported format / reference: Output pair | initial selection | test | expected channel/content | received | evidence HDMI Out Pair 1 / 2 / 3 / 4: SDI Out Pair 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8: Signal identified by channel / captured file / live monitoring: HDMI return / mix-minus (n-1) interface / SDI program / local voice / remote voice / content: Test tones available for this version / initial state / removed: Overlays/meters available for this version / applied path / removed: Laptop A / change to B / content recovery / duration / observation: Configuration restored / actual source / test at every destination / open item: Do not assume a pair is empty or that pair remapping reverses its two channels.