If you are having difficulty seeing it in the daytime without the light, you
might want to try other color schemes.
I think that there is also a contrast setting that you can use to enhance
the viewing.

> Hi all
> This is the 3rd time I have replied to your replies but none
> of my previous replies have shown. Thank you for your advice.
> I confirm that in Setup/Display the Backlight Level is set to
> 100% but I get the same result as Lonnie with his Vista.
> It seems pretty silly to me that you can set the level but
> not have it when you turn on the unit. All other settings
> are used so what is the point of having the adjustment?
> Perhaps something for the Summit wishlist?
> Regards and thanks again
> John