: Many universal boards allow resolution switching by pressing "Input" (or "Source") followed by a specific numeric code. Common sequences for this family of boards include: : Input + 03661 or Input + 31181 : Input + 01081 or Input + 31182
Have you upgraded to the TR8303C V4 resolution code? Share your before-and-after benchmarks in the comments below. For official firmware downloads and calibration guides, visit the manufacturer’s support portal. tr8303c v4 resolution code better