Re: Apple II Csa2 FAQs: 1Main-Start, Part 1/25

[mjmahon@aol.com (Michael J. Mahon)]

Liam Busey replied:

>I believe my TV monitor is reasonably adjusted. I use it for my classic
>computer hobby, consoles, and the odd movie . My II+ displays colors
>correctly on the same monitor. When the II rev0 came up on the monitor with
>its oddly charming blue and orange fringed text, I believed that behavior
>was normal.
>
>On my monitor (a Commodore 1702), if I turn up the tint all the way and
>color down really low I can get green and purple but they're really washed
>out. Most of my toys are happy with the controls set fairly close to the
>center of the range. Such extremes strike me as being odd. Perhaps there's
>something wrong with the video circuit. Or maybe I've just been spoiled by
>modern consumer electronics. :)
>
> I was unaware that you could adjust color on the Apple II itself. Could you
>point me to some directions on how to do this? It would be great if I could
>adjust the video signal to display properly with a more conservative monitor
>setting.

There is a small trimmer capacitor on the main board which adjusts
the phase of the color burst, and thus the "hue".

It may have gotten "tweaked" at some point in the past.

-michael

Check out parallel computing for 8-bit Apples on my
Home page:  http://members.aol.com/MJMahon/