GLMedia — blank worksheet: source change, scaler and capture. No tests performed. Event / date / off-air window / person responsible: Laptop / switch / distribution amplifier / converter / capture device / destinations diagram: Exact models / MD-HX serial prefix / firmware / driver / system / application and build: Manual for each device / edition / section / page: Fixed source A: resolution / exact frame rate / progressive, interlaced or PsF / pixel format if reported: Fixed source B: the same details: Capture: Driver / Device / Signal Format / picture / error / Info CHOP / unavailable data: SDK, if exposed by the tool: detected mode / enabled mode / pixel format / return value / detection support: MD-HX: DUC or DUC/TPG Source / Output Format / reference / HDMI OUT SOURCE / SDI OUT SOURCE / loop / BNC: Stage | source | MD-HX H and D | received format | capture | destination picture | audio | duration A stable / A disconnected / B connected / B stable / B → A: Recovery: action / before and after readings / content / duration / evidence: Test aids used / removed / return to actual source / configuration restored: Open items and event acceptance criteria: