Colour appearance on external monitor changing with Laptop lid
Hi All, Hoping someone can help me with this conundrum. We use Apple M1 laptops connected to Eizo CG monitors for colour accurate work. The monitor is calibrated using the internal monitor sensor and the correct profile is showing in display settings. The monitor is mirroring the laptop. Now, when the Laptop lid is opened or closed, the monitor's display shifts warmer or cooler, with no change in display profile. Is this normal behaviour? I can't fathom why, or work out how to stop the shift... and it begs the question, which is the correct colour? Thanks! Tom <http://www.dk.com> IMPORTANT NOTICE: This email is sent on behalf of Dorling Kindersley Limited, a company registered in England and Wales with number 1177822, of One Embassy Gardens, 8 Viaduct Gardens, London, SW11 7BW. DK is a company in the Penguin Random House division of Bertelsmann SE. The contents of this e-mail may contain information that is confidential, and its contents may only be used by the intended recipient(s) for any agreed purposes. The contents of this e-mail may not be used, copied or disclosed outside such agreed purposes. If you have received this e-mail in error, please notify the sender immediately and then delete this e-mail. Please consider the environment before printing this email
Hi Tom, switch off „True Tone“ for the Macbook display. Unfortunately this setting influences also the external display (I’d call that a bug). Best regards Claas
Am 06.08.2024 um 11:15 schrieb Morse, Tom via colorsync-users <colorsync-users@lists.apple.com>:
Hi All,
Hoping someone can help me with this conundrum.
We use Apple M1 laptops connected to Eizo CG monitors for colour accurate work.
The monitor is calibrated using the internal monitor sensor and the correct profile is showing in display settings.
The monitor is mirroring the laptop.
Now, when the Laptop lid is opened or closed, the monitor's display shifts warmer or cooler, with no change in display profile.
Is this normal behaviour? I can't fathom why, or work out how to stop the shift... and it begs the question, which is the correct colour?
Thanks!
Tom
IMPORTANT NOTICE: This email is sent on behalf of Dorling Kindersley Limited, a company registered in England and Wales with number 1177822, of One Embassy Gardens, 8 Viaduct Gardens, London, SW11 7BW. DK is a company in the Penguin Random House division of Bertelsmann SE.
The contents of this e-mail may contain information that is confidential, and its contents may only be used by the intended recipient(s) for any agreed purposes. The contents of this e-mail may not be used, copied or disclosed outside such agreed purposes.
If you have received this e-mail in error, please notify the sender immediately and then delete this e-mail.
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Morse, Tom via colorsync-users wrote:
The monitor is calibrated using the internal monitor sensor and the correct profile is showing in display settings.
The monitor is mirroring the laptop.
I may be completely off base, but if a mirrored display is sharing the same frame buffer, then full color management can only be applied for one display target at a time. If they have different outputs then they can possibly have different calibration curves, but without detailed knowledge of the hardware and software or some judicious experimentation, that isn't certain either. So a simple explanation would be that the external display changes because the CM is switching between targeting the built in display and the external display when the internal one is switched off. Cheers, Graeme Gill.
Not off base whatsoever, at least with display mirroring. One profile handles both. I remember many years ago using the GMB “Beamer” to calibrate projectors for presentations. The projectors output improved but the laptop display looked awful because that profile was being used on that secondary display. I don’t believe it is any different today with respect to mirroring. Andrew Rodney http://www.digitaldog.net/
On Aug 11, 2024, at 5:40 PM, Graeme Gill via colorsync-users <colorsync-users@lists.apple.com> wrote:
I may be completely off base, but if a mirrored display is sharing the same frame buffer, then full color management can only be applied for one display target at a time. If they have different outputs then they can possibly have different calibration curves, but without detailed knowledge of the hardware and software or some judicious experimentation, that isn't certain either.
participants (4)
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Andrew Rodney
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Claas Bickeböller
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Graeme Gill
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Morse, Tom