[Elecraft] Blue Displays and Visual Acuity

[Jim Miller KG0KP]

Commodore supposedly chose two tone blue for that very reason for their 
Commodore 64 screen, because it was a soothing color combination.

73, de Jim KG0KP

----- Original Message ----- 
From: "Steve Ellington" <n4lq at carolina.rr.com>
To: "Monty Shultes" <montys at mindspring.com>; "elecraft at mailman.qth.net" 
<Elecraft at mailman.qth.net>
Sent: Wednesday, June 17, 2009 2:47 PM
Subject: Re: [Elecraft] Blue Displays and Visual Acuity


> For long periods of exposure, like the front panel of a radio, it seems 
> like
> one would prefer a color that is easy on the eyes and not glaring. Green 
> and
> orange are bit tiring while soft blue is soothing. Next, we need plenty of
> contrast so we can see the numbers. Here's where we have trouble. TenTec 
> is
> using blue on the Jupier now. It's soothing but the white numbers make the
> display look milky. Black seems too close to blue and doesn't show up 
> well.
> The orange display on the K3 is a bit tiring but I can read it from across
> the room. My favorites are displays with a black background and bright
> colored numbers. Even white looks good.
> Steve Ellington
> N4LQ at carolina.rr.com
> ----- Original Message ----- 
> From: "Monty Shultes" <montys at mindspring.com>
> To: "elecraft at mailman.qth.net" <Elecraft at mailman.qth.net>
> Sent: Wednesday, June 17, 2009 3:34 PM
> Subject: Re: [Elecraft] Blue Displays and Visual Acuity
>
>
>> Would there be any difference between emitted light and reflected light?
>> Monty K2DLJ
>>
>>> If I recall correctly, the human eye is most sensitive in the
>>> yellow-green
>>> part of the
>>> spectrum... 565 nanometers is the peak, but that doesn't necessarily 
>>> mean
>>> "greatest
>>> visual acuity" I guess.
>>>
>>
>>
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