Quote:
Originally Posted by Wavytone
Chris if that’s on an iPad you don’t need rubylith - there’s a setting buried in iOS which will turn the display deep red.
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Yes, its under Settings –> General –> Accessibility –> Display Accommodations but you need (I believe) iOS 11 or later. Unfortunately my iPad is sufficiently old that it will only take iOS 10 so no good for me. Best I can do is a greyscale screen with a (yet to be obtained) red filter.
Gary