NAME crt-calibrator - CRT monitor calibrator utility for Linux VT SYNOPSIS crt-calibrator [FILE] DESCRIPTION crt-calibrator is an interactive tool that guides you through calibrating your CRT monitors. When done, the program will print colour ramps information that is useful when setting the calibrations automatically. If FILE is specified, this information is stored to that the file named FILE. The program cannot be run from inside X, it is required that it is run from the Linux VT, otherwise known as the TTY. NOTE crt-calibrator should not be used to calibrate LCD (neither LED or TFT), plasma monitors, or OLED. It should only be used to calibrate monitors with nice gamma-curves, such as CRT monitors. Not monitors with sigmoid-curves. SEE ALSO analyse-gamma(1), blueshift(1)