How to Calibrate Your Home TV or Monitor with Netflix's Secret 'Test Patterns' This article, originally posted in Japanese on 18:00 Mar 20, 2025, may contains some machine-translated parts.

The test allows you to examine the color ranges, gradients, trailing, and homogeneity of your monitor. Additionally there is a pixelmapping and text contrast tool.

Learn how to tweak your desktop or laptop display using free test patterns or the built-in utility in Windows or Mac OS X.

For Multi-Monitor Setups: Test Patterns on Both Displays If you have more than one display connected to your computer, you'll need to use a combination of your OS's tools and the on-screen settings.

The Color Mismatch Indicators verified that the monitor was indeed using an SD matrix to display this SD version of the pattern. The A/V lip-sync proved to be "right on," as the "tick" sound produced ...

Want to see images the way they're intended to be seen? Here is our quick guide on how to calibrate your monitor using your operating system or another tool.

The patterns were really calibration tools for engineers, helping the TV technicians adjust the quality of the transmission and you at home could adjust your rabbit ears.

Calibration is not a one-time thing, monitor colors drift over time. You need to repeat the calibration process with reasonable frequency, probably at least every six months.