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From: "John J. Boyer" <director@chpi.org>
To: blinux-list@redhat.com
Subject: Re: Diagnosing ABT320 Braille Terminal
Date: Fri, 9 May 2003 12:29:41 -0500 (CDT)	[thread overview]
Message-ID: <Pine.LNX.4.44.0305091227530.29209-100000@jumbo.chpi.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0305091213590.11745-100000@xanadu.home>

Nicolas,

Where do I find documentation on the Alva built-in menus? Most of what I 
know I've learned by trial and error, and I haven't been able to find 
where to set the baud rate, etc.

thanks,
John
 On Fri, 9 May 2003, Nicolas Pitre wrote:

> On Fri, 9 May 2003, Lee Maschmeyer wrote:
> 
> > IMHO, one thing that adversely affects the Alva is that the left and
> > right keys are not typematic. I doubt this matters on an 80-character
> > display, but on a 40 it's a pain and I bet it's worse on a 20. Thanks to
> > Nicolas I found the place in the source where I could change it, but it
> > still seems an unfortunate default.
> 
> And I explained why...
> 
> > However, the Linux Alva driver seems more sluggish than (my memory of)
> > the DOS program, so I don't think it's the serial port settings since
> > DOS presumably uses the same ones.
> 
> On DOS the default mode of operation is through the parallel port which is a
> much faster link.  Even BRLTTY is much snappier with a parallel port
> connection.  But unfortunately the parallel port protocol information isn't
> available and only an old binary-only library exists which just can't be
> linked with BRLTTY using recent versions of gcc.
> 
> But to reduce the sluggishness a lot you can change the default serial
> baudrate from 9600 to, say, 38400.  On BRLTTY's side you need to edit
> Drivers/Alva/brlconf.h accordingly and recompile.  On the Alva side you need
> to change the baudrate using the built-in menus accessible by pressing
> PROG+HOME+CURSOR simultaneously.
> 
> 
> Nicolas
> 
> 
> 
> 
> _______________________________________________
> Blinux-list mailing list
> Blinux-list@redhat.com
> https://listman.redhat.com/mailman/listinfo/blinux-list
> 

-- 
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http://www.chpi.org
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  reply	other threads:[~ UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
 John J. Boyer
 ` Travis Roth
 ` Lee Maschmeyer
   ` John J. Boyer
     ` Nicolas Pitre
     ` Lee Maschmeyer
       ` John J. Boyer
       ` Nicolas Pitre
         ` John J. Boyer [this message]
           ` Nicolas Pitre
             ` to John J. Boyer <director@chpi.org> Nicolas Pitre
 ` Diagnosing ABT320 Braille Terminal Tom Masterson

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