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Home AMX Traditional A/V Distribution A/V Distance Transport Solutions DXLink U/STP DX-RX-4K60 Test Patterns Written by Gary Brindley Updated at January 5th, 2026 Table of Contents Question: Answer: Question:Why am I not seeing a test pattern from my DX-RX-4K60?Answer:A DX-RX-4K60 will not show a test pattern unless it has a valid source signal. Related Videos calibration resolution