If your device doesn't have a proprietary VGA cable, you could try using an HDfury, though we haven't tested it in-house yet.įinally, some apps and games have their own built-in latency calibration options. Display manufacturers sometimes restrict the postprocessing functions to HDMI or component video inputs, leaving the VGA input untouched. If you use HDMI or component cables to connect your setup to your display, try using VGA instead. Each manufacturer tends to identify its features with different acronyms such as DRE or 3DNR try turning them off and seeing whether your lag improves. Next, turn off as many other video-processing options as you can. You might have to muck around in the manual to figure out exactly what it does-some manufacturers incorporate an Overdrive mode that may actually increase input lag. Since all flat-screen displays have some lag, your goal should be to lower it to the point where you cease to notice it.įirst, check to see whether your TV has a Game mode-basically, a display mode that turns off postprocessing routines at the cost of a slight reduction in image quality. Fear not-you can still take steps to reduce the lag. Of course, some users are stuck with a laggy display and have no plans (or cash) to upgrade to a speedier model. First-person shooters, fighting games, and rhythm games like Rock Band and Guitar Hero are all heavily affected by it. Gamers might already have noticed input lag on their display the longer-than-usual delay between pressing a button and its corresponding effect on-screen makes performing complex maneuvers or combinations more difficult. Try it a few times, and if you notice a significant difference (30ms or so) between the results on different configurations, one of them is probably lagging.Ī laggy display can add as much as 68ms to your results in a reaction time test. Alternatively, you can use a Web-based reaction test like this one at, which tests your response to changing colors. One approach is to split the signal between a lagless CRT display and an LCD display (as demonstrated in this YouTube video). There are several ways to measure input lag. On the other hand, if you use your display for anything that requires accurate timing (such as video, audio, or gaming), you may want to consider testing your setup for input lag. If you use your display or HDTV for doing general work, browsing the Web, or watching TV or movies, the lag is rarely significant any delay is more likely to come from using a wireless keyboard and mouse and wireless Internet. Input lag generally occurs in flat-screen LCD and plasma displays because the screen takes time to process the image in order to improve its quality. HDTV and computer display manufacturers aren't shy about trumpeting their products' size, resolution, and contrast ratio, but they rarely report another spec: input lag-the time a monitor takes to catch up to your keyboard, mouse, or gamepad.
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