Impressive-looking HDR relies on a wide dynamic range between the darkest and brightest elements of a picture. On the right is the same content with Energy Saving Step set to Maximum. On the left is 4K, HDR content with LG’s Energy Saving Step disabled. Most of the TVs you can shop for right now support HDR-even the most affordable models. This content delivery format is designed to take advantage of the brightness and color saturation of modern TVs. Take High Dynamic Range (HDR), for example. We do this because we want to assess a TV at its best, and it’s not at its best with the display throttling itself. Before we take a TV through our test lab for analysis, we always disable any energy-saving or light-sensing features. At least, not if you desire the highest picture quality from your TV. If you change the TV’s picture mode or input, recheck that the energy-saving settings didn’t revert. Here’s something important to keep in mind: Depending on the make and model, your TV’s energy-saving/ambient light sensor setting might not be global, but rather, fixed to the chosen picture mode. Since most energy-saving settings use a light sensor to throttle the TV’s brightness based on ambient lighting conditions, some TV brands take a straightforward approach to labeling the setting. If you can’t find any power- or energy-saving settings, look for anything referring to a TV’s ambient light sensor. Typically, a TV’s energy-saving or ambient light detection features are located outside of the picture settings menu, as is the case with LG OLEDs (seen here).
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