75% Gray Screen Test (Light Gray) – 1 Hour | Bright Uniformity & Calibration Check | 4K скачать в хорошем качестве

75% Gray Screen Test (Light Gray) – 1 Hour | Bright Uniformity & Calibration Check | 4K

A professional 75% gray screen test video (1 Hour) in 4K UHD resolution. Designed to evaluate bright-level screen uniformity, detect clouding, vignetting, and banding, and analyze panel performance in near-white conditions. 🟤 WHY USE A 75% GRAY SCREEN? 75% gray (light gray) is ideal for identifying brightness inconsistencies that are often hidden on pure white screens. • Bright Uniformity Test – Detect uneven brightness across the panel • Clouding & Vignetting – Reveal light bleed and edge darkening • Banding Test – Check for vertical or horizontal bands • Panel Quality Check – Evaluate LCD, IPS, VA, Mini-LED, and OLED displays • Dead / Stuck Pixel Check – Some pixel issues are more visible on light gray ⚙️ TECHNICAL SPECS • Color: 75% Gray (Light Gray) • RGB Code: 192, 192, 192 • Hex Code: #C0C0C0 • Resolution: 3840 × 2160 (4K UHD) • Duration: 1 Hour • Audio: Silent (No Sound) 📌 INSTRUCTIONS Clean your screen surface Switch to full screen mode Use a dim or dark room Observe for brightness variation, banding, or clouding ⚠️ DISCLAIMER This video is a digital test tool. It cannot repair hardware defects, but helps identify display panel issues accurately. Keywords: 75% gray screen, light gray screen test, bright uniformity test, clouding test, banding test, screen uniformity check, monitor test gray, 1 hour gray screen, 4K display test #ScreenFixLab #GrayScreen #UniformityTest #CloudingTest #BandingTest #MonitorTest #4K