city lights vs. corner markers

[Per Lindgren]

What I mean is that between the flashes the light unit has to be dark.
When the car has a 21/5 watt bulb with parking light, the background is
not dark between the flashes. The turn signals have better visibility
then, because the contrast is bigger.

PerL

TM wrote:

> Per,
> Can you explain what you mean by turn signals must have a
> dark background?!?
>
> Do you mean the area around the signal must be dark?
>
> Taka