ght lighting inside submarines is blue to protect the eyes
for those that are transitioning from inside to outside.
...bill nr4c
-Original Message-
From: Ron D'Eau Claire [mailto:r...@cobi.biz]
Sent: Monday, September 23, 2013 8:48 PM
To: elecraft@mailman.qth.net
Subject: Re:
Also, human vision has the lowest acuity in the red region. That is, we see
less detail in red illumination.
73, Ron AC7AC
-Original Message-
FYI, if you're going to do as Wayne suggests and just turn the display off
aiming a light at it (saving battery drain also) red is NOT the color t
As a pilot, I use red lighting in the aircraft to view instruments,
read charts, etc. Red is supposed to affect night vision the least,
but maybe that's for reflected light? Incident light might be a
different story. Traffic light green doesn't cause night blindness
that I know of, and we all us
On 9/23/2013 2:42 PM, KC9TNH wrote:
FYI, if you're going to do as Wayne suggests and just turn the display off
aiming a light at it (saving battery drain also) red is NOT the color that
best enhances night vision if that matters to you.
Cabin lights [and cockpit lights too] in C=130's were red
FYI, if you're going to do as Wayne suggests and just turn the display off
aiming a light at it (saving battery drain also) red is NOT the color that
best enhances night vision if that matters to you. It's actually a shade of
green often referred to as "traffic light green" or if you think of what'
I removed the green backlight LED from the K1 backlight kit, and
replaced it with a red one :). I like it! -kb7psg
On Wed, 1 May 2013, Wayne Burdick wrote:
I found that kind of change to the backlight color would be very time-consuming
and expensive, requiring new tooling at the LCD
I found that kind of change to the backlight color would be very time-consuming
and expensive, requiring new tooling at the LCD manufacturer. This is not
practical for the KX3. Sorry about that.
Meanwhile, another approach would be to turn the backlight off and aim a
colored lamp at the KX3. (I
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