How to start an Input connection test
- 1. Press Quick menu.
- 2. Scroll to Settings and press OK.
- 3. Scroll to Support and press OK.
- 4. Scroll to Self Diagnosis and press OK.
- 5. Scroll to Input Connection Test and press OK.
- 6. Scroll to the desired connection (E.g., HDMI1) and press OK to begin the test.