Re: 6 axis ARCNC100 CNC board with constant contouring turned on

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Lester Caine <lester@...> wrote:

>
> atelierrobin wrote:
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, Lester Caine <lester@> wrote:
> >> atelierrobin wrote:
> >>
> >>> keyboard, NTSC video screen (standard TV) and various user supplied
> >> PAL option later?
> >> Or RGB for any monitor?
> >
> > Pal yes, it requires no hardware mods. Just a firmware modification
> > that we will do once we get our hads on a PAL monitor to test. Also
> > not sure if this is correct but we were told that most TVs/videos
> > monitors sold in Europe are NTSC/PAL compatible. Maybe someone can
> > confirm?
>
> ITX board I use for Mach-in-a-box has a PAL/NTSC output, but I have
> trouble getting the output to lock up on a TV if I forget to switch the
> default to PAL. I think that as long as the output is 625 line PAL or
> NTSC is not a problem, but since the NTSC selection also switches to

525

> line the cheap small TV's seem to have a problem :(
> Modern sets may be less of a problem, but most workshops seem to have
> old sets salvaged from the house and borrowing the new one from the
> house is not an option ;)

OK thanks, We will stick to our plan of implementing PAL as well as
NTSC and let the user switch from NTSC to PAL. It is done in software
on a video co-processor on the ARCNC100 FPGA so no hardware mods are
necessary.

Patrick Robin
http://www.atelierrobin.net