FSI DM170 Calibration Overview

The FSI DM170 is a 17-inch professional reference monitor from Flanders Scientific designed for critical color evaluation in production and post-production environments. It features a 16.5-inch wide-gamut 10-bit LCD panel capable of reproducing over 1.073 billion colors, ensuring accurate color representation. The monitor supports 10-bit video processing and offers a wide color gamut, making it suitable for various color applications.

The FSI DM170 display is a popular entry level choice into the professional display market, used by directors, DITs, and boutique colorists working with SDR content.

Below is an overview of the display's performance before and after professional FSI DM170 calibration.
A 3D LUT calibration was done as the FSI DM170 has internal LUT storage.

Equipment, software and target used in the calibration:

  • Calibration software: DCM
  • Colorimeter: CR-100
  • Spectro: CR-300
  • Patch generator: DaVinci Resolve, SDI out
  • Calibration target: Rec 709 D65 G2.4 150 nits (SDR)

Native Gamut

This is the native gamut (before calibration) of the FSI DM170 compared to the Rec 709 color space calibration target. The display's native gamut fully covers the target color space, making it ideal for precise display calibration.

FSI DM170 native gamut pre calibration

White Point

This is a close-up of the native white point (before calibration) compared to the calibration target of D65. It has a blue tint. The display has bias/gain CMS controls to manually adjust lower/upper Greyscale, if desired.

FSI DM170 white point pre calibration

RGB Balance

This is the Greyscale RGB balance before calibration, it has a blue tint.

FSI DM170 RGB balance pre calibration

EOTF: Gamma

This is the native gamma and luminance response of the FSI DM170. The reference line is configured for the calibration target G2.4. The display in its default native state is too bright, it has an average gamma of 2.2.

FSI DM170 EOTF Gamma tracking pre calibration

Calibration

After display preparation and configuration, a large display profile is run to create a detailed characterization of the display. From that profile data, a 3D LUT is then generated by DCT and uploaded into the display.

Gamut & White Point (post)

Gamut (post calibration) compared to the Rec 709 D65 target - both color space and white point are on target.

FSI DM170 gamut & white point post calibration

RGB Balance (post)

This is the Greyscale RGB balance post-calibration, much better.

FSI DM170 RGB balance post calibration

EOTF: Gamma (post)

This is the gamma and luminance response of the FSI DM170 after calibration compared to the reference calibration target G2.4. A big improvement, the display tracks the reference much closer - performance in the shadows will always be a bit compromised on LCD monitors, due to the backlight.

FSI DM170 EOTF Gamma tracking post calibration

Color Error: delta E 2000 (post)

These are the dE 2000 stats post calibration for a 1,100 point stress test validation profile. With an average dE 2000 color error of only 0.64, the FSI DM170 now performs very well given that the JND (just noticeable difference) for human vision is set at a dE 2000 value of 2.3.

FSI DM170 delta E 2000 stats post calibration for large 1,100 point stress test validation profile


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