Re: [hylafax-users] HylaFAX performance vs regular fax machine.

[Robert Colquhoun <rjc@trump.net.au>]

At 09:29 AM 9/10/01 -0400, Jay R. Ashworth wrote:
>On Mon, Sep 10, 2001 at 12:20:30PM +1000, Robert Colquhoun wrote:
> > Well for A4 page you want 1728 lines total
> >
> > An A4 is 215mm +- 1mm => ~204
> >
> > I cannot remember how many lines fax lines a US letter page has but the
> > important measure is the total length in combination with the page
> > size.  Sending too many or too few will cause problems(maybe only
> > truncation or squishing of image up the page).
>
>Yeah, but that's the 196 direction.  It's the *vertical* resolution
>that changes; the 203/4 is horizontal resolution... no?

Oops - all mixed up...

1728 bits = 215mm = 1 scan line (horizontal)
3.85 scanlines/mm(low res) or 7.7 scanlines/mm(high res) (vertical)

- Robert




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