Add more information to calibration steps

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Jean-Claude 2023-10-29 19:48:12 +01:00
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# Calibrate Monitor
## Steps
- Create new `.icc` profile using DisplayCAL
- Reset current profile: `Tools -> Video Card Gamma Table -> Reset Video Card Gamma Table`
- Select Settings `Default (Gamma 2.2)`
- Display & Instrument
- Display
- Select correct display
- Untick everything
- Output levels `Full Range RGB 0-255`
- Correction `Auto (None)`
- Instrument
- Select correct instrument
- Untick everything
- Select Instrument mode `LCD (generic)`
- Calibration
- (Optional) Enable `Ambinet light level adjustment`
- Determine value using instrument (generally between 120 - 180)
- Profiling
- Enable `Black Point Compensation`
- Connect instrument
- Check if instrument detected by pressing on `Display & Instrument ->` Arrow cycle
- Disable display sleep `xset s off && xset -dpms`
- Disable redshift
- Start by clicking `Callibrate & Profile`
- Make sure display has right settings
- `Start Mesure`
- Make sure brightness and colors of monitor are good
- Disable again
- `Continue on to callbiration`
- Copy profile form `~/.local/share/DisplayCAL/storage/<somePath>/<someFile>.icc` to `/usr/share/color/icc/colord/` (tried `~/.local/share/icc/` but somehow did not work)
- Run `systemctl restart colord` to make colord find new profiles
- Start `xiccd` and let it run
- Figure out `Device ID` from `colormgr get-devices` of desired monitor
- Figure out `Profile ID` from `colormgr get-profiles` of desired profile
- Search for profile `colormgr find-profile-by-filename <ProfileID>`
- Add profile to monitor `colormgr device-add-profile <DeviceID> <ProfileID>`
- Set profile as default for monitor `colormgr device-make-profile-default <DeviceID> <ProfileID>`
- Quit `xiccd`
- Check that profile has successfully been loaded: `xprop -display :0.0 -len 14 -root _ICC_PROFILE`
- Really good article about the matter: <https://web.archive.org/web/20221226110150/https://encrypted.pcode.nl/blog/index.html%3Fp=853.html>