'I know a guy' ... for reasons that don't concern the story;-
The Navy had arranged at great expense to demonstrate
a piece of kit to two of us, the other guy -call him Dick-
was _exceptionally_ quiet during the demo. As the jolly
matelots switched on this and selected that to indicate thus,
Dick remained shtum ... while driving back, I commented;-
"You were quiet today, Dick?" He responded; "I'm red colour-blind
and couldn't see a thing!" Every monitor, LED, legend and
read-out was red - to Dick's eyes, the Jacks had been playing
with a totally dead piece of kit!

The Navy gives you a free colour blindness test if you wasnt to be a
electrician on board ship. You don't get trained if you are !!!

Dave

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Some people use windows, others have a life.