[BRLTTY] Sending control characters via Braile Edge and other translation issues

[Dave Mielke]

[quoted lines by Kevin Fjelsted on 2016/07/20 at 07:01 -0500]

>I am using the Latex-Access table from Brltty. My display is a Braille Edge.
>1) How can I make sure that the table is being called?

First: You need to tell brltty that that's the contraction table you wish to be 
using. You can do this either via the -c command line option:

   -c latex-access

or via the contraction-table brltty.conf directive:

   contraction-table latex-access

Second: You need to ensure that the table itself:

   /etc/brltty/Contraction/latex-access.ctb

is executable.

Third: To tell brltty to use it, you need to set the Text Style to 6-Dots. On a 
Braille Edge:

   set text style to 6-dots with: Space+Dots235
   set text style to 8-dots with: Space+Dots236

>2) I need to send ctrl-m from the edge to toggle math mode on and off.

I'm not understanding this one. See above for how to do it.

>When I use the control key on the Edge "F5" it appears to send a line feed as 
>the cursor jumps down a line. 

I'm not sure if it matters or not, but are you doing this on Linux or on 
Windows?

A Control-M is a carriage return, so one would expect it to end the current 
input line. I'm finding it hard to imagine, therefore, that any user interface 
would use a carriage return to toggle one of its features on/off.

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