On 10/13/2006 at 12:36 AM ard at p850ug1.demon.co.uk wrote:
But only if you're using a composite NTSC monitor
(the colour subcarrier
-- 3.58-ish MHz -- is 1/4 of the master clock freqwuncy, of course). On
a TTL RGB monitor, like the 5153, the trimemr does nothing.
Just relating what the notation is on the 5150 schematic. Most folks think
it's meant for correcting the time-of-day clock.
Cheers,
Chuck