![]() ![]() What I can tell you is that no flicker can be perceived by the naked eye at any of its brightness level nor did I experience any discomfort during prolonged usage, which would lead me to believe that PWM is not being used to control backlight dimming. Acer doesn't specify if Direct Current (DC) or Pulse Width Modulation (PWM) is used to control it. The screen uses a White-LED (W-LED) backlight unit. The manufacturer doesn't specify whether it's a true 8-bit panel or if the 8-bit color depth is emulated by using a 6-bit panel with FRC (Frame Rate Control - a method of achieving a certain color tone by rapidly flashing two adjacent color tones), but after a bit of investigation, it would appear that we're dealing with a true 8-bit panel after all. It's an 8-bit panel capable of displaying 16.7 million colors. ![]() Picture QualityThe Acer Predator XB271HU features an AU Optronics M270DAN02.6 IPS panel. ![]()
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