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authorSamuel Thibault <sthibault@debian.org>2015-10-18 17:03:44 +0000
committerSamuel Thibault <sthibault@debian.org>2015-10-18 17:03:44 +0000
commit7784b203dfc14b80c85d7c0511ea52cf5ec7f081 (patch)
tree530e79e66bfcf752229e8b2a6ee7dc88c1748a96 /en
parent2eafdbf38ba5c3cb3206f0be0cff66c7cff8bdb8 (diff)
downloadinstallation-guide-7784b203dfc14b80c85d7c0511ea52cf5ec7f081.zip
Document the fourth bootline parameter of brltty.
Diffstat (limited to 'en')
-rw-r--r--en/boot-installer/accessibility.xml12
1 files changed, 8 insertions, 4 deletions
diff --git a/en/boot-installer/accessibility.xml b/en/boot-installer/accessibility.xml
index 976f4903a..c590aef96 100644
--- a/en/boot-installer/accessibility.xml
+++ b/en/boot-installer/accessibility.xml
@@ -57,17 +57,21 @@ url="&url-brltty-driver-help;"><classname>brltty</classname> website</ulink>.
Serial braille displays cannot safely be automatically detected
(since that may damage some of them). You thus need to append the
-<userinput>brltty=<replaceable>driver</replaceable>,<replaceable>port</replaceable>,<replaceable>table</replaceable></userinput>
-boot parameter to tell <classname>brltty</classname> which driver it
+<userinput>brltty=<replaceable>driver</replaceable>,<replaceable>port</replaceable></userinput>
+boot parameter to tell <classname>brltty</classname> which driver and port it
should use. <replaceable>driver</replaceable> should be replaced by the
two-letter driver code for your terminal (see the
<ulink url="&url-brltty-manual;">BRLTTY manual</ulink>).
<replaceable>port</replaceable> should be replaced by the name of the
serial port the display is connected to, <userinput>ttyS0</userinput> is
-the default, <userinput>ttyUSB0</userinput> can be typically used when using a serial-to-USB converter. <replaceable>table</replaceable> is the name of the
+the default, <userinput>ttyUSB0</userinput> can be typically used when using a serial-to-USB converter.
+A third parameter can be provided, to choose the name of the
braille table to be used (see the <ulink url="&url-brltty-manual;">BRLTTY
manual</ulink>); the English table is the default. Note that the table can
-be changed later by entering the preference menu. Documentation on key
+be changed later by entering the preference menu. A fourth parameter
+can be provided to pass parameters to the braille driver, such as
+<userinput>protocol=foo</userinput> which is needed for some rare models.
+Documentation on key
bindings for braille devices is available on the <ulink
url="&url-brltty-driver-help;"><classname>brltty</classname> website</ulink>.