Display colorsync profile remains unapplied?

[Roland Torres]

On Mar 28, 2007, at 10:51 AM, Chris Murphy wrote:

> On Mar 28, 2007, at 11:43 AM, Roland Torres wrote:
>
>> Christopher,
>>
>> I think you may be in luck, as far as a quick 'n' dirty workaround  
>> goes. First, run the two displays independently (not in mirrored  
>> mode), and set each of them individually to have the profile you  
>> want (say, the Sanyo XP50/55 profile). Then, switch to mirrored  
>> mode. You will notice that the second monitor retains the last  
>> color profile selected for it. At least, this works for me  
>> (10.4.9), so it will likely hold true for you (10.4.8) as well.
>
> I think to confirm, I'd create an Applescript (or other small app)  
> to ask the OS to return the display profile for both displays to be  
> sure this works. It's possible that switching to mirror mode  
> doesn't cause the display manager to update the 2nd display with  
> the vcgt tag that's being used for the 1st display, but is in fact  
> still using the 1st display's profile, which might give the  
> appearance thatchoosing mirroring after independently setting  
> profiles unmirrored, works.

If I select different profiles for each monitor, and then turn on  
mirroring, the second monitor retains its setting.

Roland