Not to doubt what your saying about bulb colors, but if this is the case
then why do all new Audi's have their instruments illuminated in red?
Karl Batzler
-----Original Message-----
From: Blue Eyes <lvlearn@MCI2000.COM>
To: vanagon@VANAGON.COM <vanagon@VANAGON.COM>
Date: Friday, November 13, 1998 3:46 PM
Subject: Re: Dash lights

>I had occasion to color a lot of light bulbs years ago due to the needs of
a
>business I owned.  The opaque enamels aren't the best choice.  Spray can
>colored lacquers are the best.  They dry fast,  let out more light, appear
>better, and run cooler.  It's not even a close decision, go with lacquer.
>
>I'm not wild about going with red for information displays.  As I recall,
>visual acuity is poor there, and even worse at the other end of the
spectrum's
>indigo and violet.  In the rainbow of colors, Roy G. Biv, I think that
orange,
>yellow and green  were the best for instrumentation.  The Air Force spend a
>lot of your money finding out about this years ago, but I don't recall much
of
>the results.  Anyone have a line on that?
>
>I'd like my display's illumination to be a little more spiffy than the low
>temperature incandescent off white that it was originally.  But then if I'm
>stopped by a highway patrolman at night, I don't want it to appear like
some
>carnival runway man is making decisions behind the wheel.
>John
>

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