Mini Mac to projector purple image

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mcwillt05

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  • Joined: Wed Aug 08, 2018 3:50 pm
  • Real Name: Tom McWilliam

Mini Mac to projector purple image

PostWed Aug 08, 2018 3:57 pm

Hello all,

I am having a slight problem with a mini mac/mac air outputting an image with a purple tint to it. The work flow is below. Has anyone else had this issue before and no any fixes?

Mini Mac
- HDMI Cable
Kramer VP774A - HDMI In
- HDMI cable out
Black Magic HDMI to SDI
- SDI Cable out
Black Magic SDI to Fibre
- Fibre cable to projector 80+ Meters
Black Magic Fibre to SDI
- SDI cable
Panasonic PT-RW930 projector

I have tried it out of a normal Microsoft HP PC with same work flow and works completely fine so potentially an Apple output issue?

If anyone can help I am very grateful!

Thanks,

Tom
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Thomas Seewald

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Re: Mini Mac to projector purple image

PostThu Aug 09, 2018 12:57 pm

What have you done to find the issue ? Used a monitor instead of the projector ? What about an other source (PC / Mac / Diskplayer) at the start of the signal chain. What about skipping the Kramer ? Maybe ther ist a mismatch of color modes. HDMI supports RGB and YUV.
thos-berlin - Thomas S e e w a l d
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Eric-Jan

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  • Location: The Netherlands, Haarlem
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  • Real Name: Eric-Jan van den Bogaard

Re: Mini Mac to projector purple image

PostFri Aug 17, 2018 5:20 pm

i have a (cheap) monitor that apperently has interchanged red and blue some how, and i can't change the monitor settings, all other equipment i connect does work correctly, with correctly connected cables, but one does not expect such errors with expensive equipment.

btw. the error will be seen in the skin colours ?
equipment/software used:
UltraStudio Mini Recorder, Intensity Shuttle (Thunderbolt), ADVC-100 (DV/iLink/Firewire), Davinci Resolve 15 free version, Media Express, MacX Video Converter Pro

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