# The BRLTTY Command Reference

Contents

- Alphabetical Command Index
- Special Modes
- Cursor Functions
- Vertical Navigation
- Horizontal Navigation
- Window Navigation
- Clipboard Functions
- Text Selection and the Host Clipboard
- Configuration Functions
- Menu Operations
- Speech Functions
- Speech Navigation
- Keyboard Input
- Special Functions
- Internal Functions

## Alphabetical Command Index

- ALERT
- ALTGR
- ASPK_CMP_WORDS
- ASPK_DEL_CHARS
- ASPK_EMP_LINE
- ASPK_INDENT
- ASPK_INS_CHARS
- ASPK_REP_CHARS
- ASPK_SEL_CHAR
- ASPK_SEL_LINE
- ATTRBLINK
- ATTRDN
- ATTRUP
- ATTRVIS
- AUTOREPEAT
- AUTOSPEAK
- BACK
- BOT
- BOT_LEFT
- BRLKBD
- BRLUCDOTS
- BRL_START
- BRL_STOP
- CAPBLINK
- CHRLT
- CHRRT
- CLIP_ADD
- CLIP_APPEND
- CLIP_COPY
- CLIP_NEW
- CLIP_RESTORE
- CLIP_SAVE
- COLOR
- COMPBRL6
- CONTEXT
- CONTRACTED
- CONTROL
- COPY_LINE
- COPY_RECT
- CSRBLINK
- CSRHIDE
- CSRJMP_VERT
- CSRSIZE
- CSRTRK
- CSRVIS
- DESCCHAR
- DESC_CURR_CHAR
- DISPMD
- FREEZE
- FWINLT
- FWINLTSKIP
- FWINRT
- FWINRTSKIP
- GOTOLINE
- GOTOMARK
- GUI
- GUI_APP_ALERTS
- GUI_APP_LIST
- GUI_APP_MENU
- GUI_AREA_ACTV
- GUI_AREA_NEXT
- GUI_AREA_PREV
- GUI_BACK
- GUI_BRL_ACTIONS
- GUI_DEV_OPTIONS
- GUI_DEV_SETTINGS
- GUI_HOME
- GUI_ITEM_FRST
- GUI_ITEM_LAST
- GUI_ITEM_NEXT
- GUI_ITEM_PREV
- GUI_TITLE
- HELP
- HOME
- HOSTCMD
- HOST_COPY
- HOST_CUT
- HOST_PASTE
- HWINLT
- HWINRT
- INDICATORS
- INFO
- KEY_BACKSPACE
- KEY_CURSOR_DOWN
- KEY_CURSOR_LEFT
- KEY_CURSOR_RIGHT
- KEY_CURSOR_UP
- KEY_DELETE
- KEY_END
- KEY_ENTER
- KEY_ESCAPE
- KEY_FUNCTION
- KEY_HOME
- KEY_INSERT
- KEY_PAGE_DOWN
- KEY_PAGE_UP
- KEY_TAB
- LEARN
- LNBEG
- LNDN
- LNEND
- LNUP
- MACRO
- MENU_FIRST_ITEM
- MENU_LAST_ITEM
- MENU_NEXT_ITEM
- MENU_NEXT_SETTING
- MENU_PREV_ITEM
- MENU_PREV_LEVEL
- MENU_PREV_SETTING
- META
- MUTE
- NOOP
- NXDIFCHAR
- NXDIFLN
- NXINDENT
- NXNBWIN
- NXPGRPH
- NXPROMPT
- NXSEARCH
- OFFLINE
- PASSAT
- PASSCHAR
- PASSDOTS
- PASSPS2
- PASSXT
- PASTE
- PASTE_ALTMODE
- PASTE_HISTORY
- PASTE_HISTORY_ALTMODE
- PRDIFCHAR
- PRDIFLN
- PREFLOAD
- PREFMENU
- PREFRESET
- PREFSAVE
- PRINDENT
- PRNBWIN
- PRPGRPH
- PRPROMPT
- PRSEARCH
- REFRESH
- REFRESH_LINE
- RESTARTBRL
- RESTARTSPEECH
- RETURN
- ROUTE
- ROUTE_CURR_LOCN
- ROUTE_LINE
- ROUTE_SPEECH
- SAY_ABOVE
- SAY_ALL
- SAY_BELOW
- SAY_FASTER
- SAY_HIGHER
- SAY_LINE
- SAY_LOUDER
- SAY_LOWER
- SAY_SLOWER
- SAY_SOFTER
- SCR_START
- SCR_STOP
- SELECTVT
- SELECTVT_NEXT
- SELECTVT_PREV
- SETLEFT
- SETMARK
- SET_ATTRIBUTES_TABLE
- SET_CONTRACTION_TABLE
- SET_KEYBOARD_TABLE
- SET_LANGUAGE_PROFILE
- SET_TEXT_TABLE
- SHIFT
- SHOW_CURR_LOCN
- SIXDOTS
- SKPBLNKWINS
- SKPIDLNS
- SLIDEWIN
- SPEAK_CURR_CHAR
- SPEAK_CURR_LINE
- SPEAK_CURR_LOCN
- SPEAK_CURR_PWRD
- SPEAK_CURR_WORD
- SPEAK_FRST_CHAR
- SPEAK_FRST_LINE
- SPEAK_INDENT
- SPEAK_LAST_CHAR
- SPEAK_LAST_LINE
- SPEAK_NEXT_CHAR
- SPEAK_NEXT_LINE
- SPEAK_NEXT_PWRD
- SPEAK_NEXT_WORD
- SPEAK_PREV_CHAR
- SPEAK_PREV_LINE
- SPEAK_PREV_PWRD
- SPEAK_PREV_WORD
- SPELL_CURR_LINE
- SPELL_CURR_PWRD
- SPELL_CURR_WORD
- SPKHOME
- SPK_PUNCT_LEVEL
- SPK_START
- SPK_STOP
- SWITCHVT
- SWITCHVT_NEXT
- SWITCHVT_PREV
- TIME
- TOP
- TOP_LEFT
- TOUCH_AT
- TOUCH_NAV
- TUNES
- TXTSEL_ALL
- TXTSEL_CLEAR
- TXTSEL_SET
- TXTSEL_START
- UNSTICK
- UPPER
- WINDN
- WINUP

## Special Modes

- HELP
- LEARN
- PREFMENU
- INFO
- DISPMD
- FREEZE
- DESCCHAR
- COLOR
- TIME
- INDICATORS
- CONTEXT

HELP - Enter/leave help display.

LEARN - Enter/leave command learn mode.

PREFMENU - Enter/leave preferences menu.

INFO - Enter/leave status display.

DISPMD - Set display mode attributes/text.

The following modifiers may be specified:

- Toggle: on, off

FREEZE - Set screen image frozen/unfrozen.

The following modifiers may be specified:

- Toggle: on, off

DESCCHAR - Describe character.

The following modifiers may be specified:

- a column number

COLOR - Describe color of character.

The following modifiers may be specified:

- a column number

TIME - Show current date and time.

INDICATORS - Show various device status indicators.

CONTEXT - Switch to command context.

The following modifiers may be specified:

- an offset

## Cursor Functions

- HOME
- BACK
- RETURN
- ROUTE
- ROUTE_LINE
- CSRJMP_VERT
- ROUTE_CURR_LOCN

HOME - Go to screen cursor.

The following modifiers may be specified:

- Motion: route

BACK - Go back after cursor tracking.

The following modifiers may be specified:

- Motion: route

RETURN - Go to screen cursor or go back after cursor tracking.

The following modifiers may be specified:

- Motion: route

ROUTE - Bring screen cursor to character.

The following modifiers may be specified:

- a column number

ROUTE_LINE - Bring screen cursor to line.

The following modifiers may be specified:

- Row: scaled
- Vertical: toleft

CSRJMP_VERT - Bring screen cursor to current line.

ROUTE_CURR_LOCN - Bring screen cursor to speech cursor.

## Vertical Navigation

- LNUP
- LNDN
- TOP
- BOT
- TOP_LEFT
- BOT_LEFT
- PRDIFLN
- NXDIFLN
- ATTRUP
- ATTRDN
- PRPGRPH
- NXPGRPH
- PRPROMPT
- NXPROMPT
- WINUP
- WINDN
- PRINDENT
- NXINDENT
- PRDIFCHAR
- NXDIFCHAR
- GOTOLINE

LNUP - Go up one line.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

LNDN - Go down one line.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

TOP - Go to top line.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

BOT - Go to bottom line.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

TOP_LEFT - Go to beginning of top line.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

BOT_LEFT - Go to beginning of bottom line.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

PRDIFLN - Go up to nearest line with different content.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

NXDIFLN - Go down to nearest line with different content.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

ATTRUP - Go up to nearest line with different highlighting.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

ATTRDN - Go down to nearest line with different highlighting.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

PRPGRPH - Go up to first line of paragraph.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

NXPGRPH - Go down to first line of next paragraph.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

PRPROMPT - Go up to previous command prompt.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

NXPROMPT - Go down to next command prompt.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

WINUP - Go up several lines.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

WINDN - Go down several lines.

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

PRINDENT - Go up to nearest line with less indent than character.

The following modifiers may be specified:

- a column number
- Motion: route
- Vertical: toleft

NXINDENT - Go down to nearest line with less indent than character.

The following modifiers may be specified:

- a column number
- Motion: route
- Vertical: toleft

PRDIFCHAR - Go up to nearest line with different character.

The following modifiers may be specified:

- a column number
- Motion: route
- Vertical: toleft

NXDIFCHAR - Go down to nearest line with different character.

The following modifiers may be specified:

- a column number
- Motion: route
- Vertical: toleft

GOTOLINE - Go to selected line.

The following modifiers may be specified:

- Motion: route
- Row: scaled
- Vertical: toleft

## Horizontal Navigation

- FWINLT
- FWINRT
- FWINLTSKIP
- FWINRTSKIP
- PRNBWIN
- NXNBWIN
- LNBEG
- LNEND
- CHRLT
- CHRRT
- HWINLT
- HWINRT
- SETLEFT

FWINLT - Go backward one braille window.

The following modifiers may be specified:

- Motion: route

FWINRT - Go forward one braille window.

The following modifiers may be specified:

- Motion: route

FWINLTSKIP - Go backward skipping blank braille windows.

The following modifiers may be specified:

- Motion: route

FWINRTSKIP - Go forward skipping blank braille windows.

The following modifiers may be specified:

- Motion: route

PRNBWIN - Go backward to nearest non-blank braille window.

The following modifiers may be specified:

- Motion: route

NXNBWIN - Go forward to nearest non-blank braille window.

The following modifiers may be specified:

- Motion: route

LNBEG - Go to beginning of line.

The following modifiers may be specified:

- Motion: route

LNEND - Go to end of line.

The following modifiers may be specified:

- Motion: route

CHRLT - Go left one character.

The following modifiers may be specified:

- Motion: route

CHRRT - Go right one character.

The following modifiers may be specified:

- Motion: route

HWINLT - Go left half a braille window.

The following modifiers may be specified:

- Motion: route

HWINRT - Go right half a braille window.

The following modifiers may be specified:

- Motion: route

SETLEFT - Place left end of braille window at character.

The following modifiers may be specified:

- a column number

## Window Navigation

- GUI_TITLE
- GUI_BRL_ACTIONS
- GUI_HOME
- GUI_BACK
- GUI_DEV_SETTINGS
- GUI_DEV_OPTIONS
- GUI_APP_LIST
- GUI_APP_MENU
- GUI_APP_ALERTS
- GUI_AREA_ACTV
- GUI_AREA_PREV
- GUI_AREA_NEXT
- GUI_ITEM_FRST
- GUI_ITEM_PREV
- GUI_ITEM_NEXT
- GUI_ITEM_LAST

GUI_TITLE - Show the window title.

GUI_BRL_ACTIONS - Open the braille actions window.

GUI_HOME - Go to the home screen.

The following modifiers may be specified:

- Motion: route

GUI_BACK - Go back to the previous screen.

The following modifiers may be specified:

- Motion: route

GUI_DEV_SETTINGS - Open the device settings window.

GUI_DEV_OPTIONS - Open the device options window.

GUI_APP_LIST - Open the application list window.

GUI_APP_ALERTS - Open the application alerts window.

GUI_AREA_ACTV - Return to the active screen area.

GUI_AREA_PREV - Switch to the previous screen area.

GUI_AREA_NEXT - Switch to the next screen area.

GUI_ITEM_FRST - Move to the first item in the screen area.

GUI_ITEM_PREV - Move to the previous item in the screen area.

GUI_ITEM_NEXT - Move to the next item in the screen area.

GUI_ITEM_LAST - Move to the last item in the screen area.

## Clipboard Functions

- CLIP_NEW
- CLIP_ADD
- COPY_LINE
- COPY_RECT
- CLIP_COPY
- CLIP_APPEND
- PASTE
- PASTE_ALTMODE
- PASTE_HISTORY
- PASTE_HISTORY_ALTMODE
- PRSEARCH
- NXSEARCH
- CLIP_SAVE
- CLIP_RESTORE

CLIP_NEW - Start new clipboard at character.

The following modifiers may be specified:

- a column number

CLIP_ADD - Append to clipboard from character.

The following modifiers may be specified:

- a column number

COPY_LINE - Linear copy to character.

The following modifiers may be specified:

- a column number

COPY_RECT - Rectangular copy to character.

The following modifiers may be specified:

- a column number

CLIP_COPY - Copy characters to clipboard.

CLIP_APPEND - Append characters to clipboard.

PASTE - Insert the clipboard content before the screen cursor.

PASTE_ALTMODE - Insert the clipboard content before the screen cursor using the alternate paste mode.

PASTE_HISTORY - Insert a clipboard history entry before the screen cursor.

The following modifiers may be specified:

- an offset

PASTE_HISTORY_ALTMODE - Insert a clipboard history entry before the screen cursor using the alternate paste mode.

The following modifiers may be specified:

- an offset

PRSEARCH - Search backward for clipboard text.

NXSEARCH - Search forward for clipboard text.

CLIP_SAVE - Save clipboard to disk.

CLIP_RESTORE - Restore clipboard from disk.

## Text Selection and the Host Clipboard

- TXTSEL_CLEAR
- TXTSEL_SET
- TXTSEL_START
- TXTSEL_ALL
- HOST_COPY
- HOST_CUT
- HOST_PASTE

TXTSEL_CLEAR - Clear the text selection.

TXTSEL_SET - Set text selection.

The following modifiers may be specified:

- an offset

TXTSEL_START - Start text selection.

The following modifiers may be specified:

- an offset

TXTSEL_ALL - Select all of the text.

HOST_COPY - Copy selected text to host clipboard.

HOST_CUT - Cut selected text to host clipboard.

HOST_PASTE - Insert the host clipboard text before the screen cursor.

## Configuration Functions

- TOUCH_NAV
- AUTOREPEAT
- SIXDOTS
- CONTRACTED
- COMPBRL6
- SKPIDLNS
- SKPBLNKWINS
- SLIDEWIN
- CSRTRK
- CSRSIZE
- CSRVIS
- CSRHIDE
- CSRBLINK
- ATTRVIS
- ATTRBLINK
- CAPBLINK
- TUNES
- SET_TEXT_TABLE
- SET_ATTRIBUTES_TABLE
- SET_CONTRACTION_TABLE
- SET_KEYBOARD_TABLE
- SET_LANGUAGE_PROFILE

The following modifiers may be specified:

- Toggle: on, off

AUTOREPEAT - Set autorepeat on/off.

The following modifiers may be specified:

- Toggle: on, off

SIXDOTS - Set text style 6-dot/8-dot.

The following modifiers may be specified:

- Toggle: on, off

CONTRACTED - Set contracted/computer braille.

The following modifiers may be specified:

- Toggle: on, off

COMPBRL6 - Set six/eight dot computer braille.

The following modifiers may be specified:

- Toggle: on, off

SKPIDLNS - Set skipping of lines with identical content on/off.

The following modifiers may be specified:

- Toggle: on, off

SKPBLNKWINS - Set skipping of blank braille windows on/off.

The following modifiers may be specified:

- Toggle: on, off

SLIDEWIN - Set sliding braille window on/off.

The following modifiers may be specified:

- Toggle: on, off

CSRTRK - Set track screen cursor on/off.

The following modifiers may be specified:

- Toggle: on, off

CSRSIZE - Set screen cursor style block/underline.

The following modifiers may be specified:

- Toggle: on, off

CSRVIS - Set screen cursor visibility on/off.

The following modifiers may be specified:

- Toggle: on, off

CSRHIDE - Set hidden screen cursor on/off.

The following modifiers may be specified:

- Toggle: on, off

CSRBLINK - Set screen cursor blinking on/off.

The following modifiers may be specified:

- Toggle: on, off

ATTRVIS - Set attribute underlining on/off.

The following modifiers may be specified:

- Toggle: on, off

ATTRBLINK - Set attribute blinking on/off.

The following modifiers may be specified:

- Toggle: on, off

CAPBLINK - Set capital letter blinking on/off.

The following modifiers may be specified:

- Toggle: on, off

TUNES - Set alert tunes on/off.

The following modifiers may be specified:

- Toggle: on, off

SET_TEXT_TABLE - Set text table.

The following modifiers may be specified:

- an offset

SET_ATTRIBUTES_TABLE - Set attributes table.

The following modifiers may be specified:

- an offset

SET_CONTRACTION_TABLE - Set contraction table.

The following modifiers may be specified:

- an offset

SET_KEYBOARD_TABLE - Set keyboard table.

The following modifiers may be specified:

- an offset

SET_LANGUAGE_PROFILE - Set language profile.

The following modifiers may be specified:

- an offset

## Menu Operations

- MENU_PREV_ITEM
- MENU_NEXT_ITEM
- MENU_FIRST_ITEM
- MENU_LAST_ITEM
- MENU_PREV_SETTING
- MENU_NEXT_SETTING
- MENU_PREV_LEVEL
- PREFSAVE
- PREFLOAD
- PREFRESET

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

The following modifiers may be specified:

- Motion: route
- Vertical: toleft

The following modifiers may be specified:

- Motion: route

PREFSAVE - Save preferences to disk.

PREFLOAD - Restore preferences from disk.

PREFRESET - Reset preferences to defaults.

## Speech Functions

- MUTE
- SAY_LINE
- SAY_ALL
- SAY_ABOVE
- SAY_BELOW
- SPKHOME
- SAY_SOFTER
- SAY_LOUDER
- SAY_SLOWER
- SAY_FASTER
- SAY_LOWER
- SAY_HIGHER
- SPK_PUNCT_LEVEL
- AUTOSPEAK
- ASPK_SEL_LINE
- ASPK_EMP_LINE
- ASPK_SEL_CHAR
- ASPK_INS_CHARS
- ASPK_DEL_CHARS
- ASPK_REP_CHARS
- ASPK_CMP_WORDS
- ASPK_INDENT

MUTE - Stop speaking.

SAY_LINE - Speak current line.

SAY_ALL - Speak from top of screen through bottom of screen.

SAY_ABOVE - Speak from top of screen through current line.

SAY_BELOW - Speak from current line through bottom of screen.

SPKHOME - Go to current speaking position.

The following modifiers may be specified:

- Motion: route

SAY_SOFTER - Decrease speaking volume.

SAY_LOUDER - Increase speaking volume.

SAY_SLOWER - Decrease speaking rate.

SAY_FASTER - Increase speaking rate.

SAY_LOWER - Decrease speaking pitch.

SAY_HIGHER - Increase speaking pitch.

SPK_PUNCT_LEVEL - Cycle speech punctuation level.

AUTOSPEAK - Set autospeak on/off.

The following modifiers may be specified:

- Toggle: on, off

ASPK_SEL_LINE - Set autospeak selected line on/off.

The following modifiers may be specified:

- Toggle: on, off

ASPK_EMP_LINE - Set autospeak empty line on/off.

The following modifiers may be specified:

- Toggle: on, off

ASPK_SEL_CHAR - Set autospeak selected character on/off.

The following modifiers may be specified:

- Toggle: on, off

ASPK_INS_CHARS - Set autospeak inserted characters on/off.

The following modifiers may be specified:

- Toggle: on, off

ASPK_DEL_CHARS - Set autospeak deleted characters on/off.

The following modifiers may be specified:

- Toggle: on, off

ASPK_REP_CHARS - Set autospeak replaced characters on/off.

The following modifiers may be specified:

- Toggle: on, off

ASPK_CMP_WORDS - Set autospeak completed words on/off.

The following modifiers may be specified:

- Toggle: on, off

ASPK_INDENT - Set autospeak indent of current line on/off.

The following modifiers may be specified:

- Toggle: on, off

## Speech Navigation

- ROUTE_SPEECH
- SPEAK_CURR_CHAR
- DESC_CURR_CHAR
- SPEAK_PREV_CHAR
- SPEAK_NEXT_CHAR
- SPEAK_FRST_CHAR
- SPEAK_LAST_CHAR
- SPEAK_CURR_PWRD
- SPELL_CURR_PWRD
- SPEAK_PREV_PWRD
- SPEAK_NEXT_PWRD
- SPEAK_CURR_WORD
- SPELL_CURR_WORD
- SPEAK_PREV_WORD
- SPEAK_NEXT_WORD
- SPEAK_CURR_LINE
- SPELL_CURR_LINE
- SPEAK_PREV_LINE
- SPEAK_NEXT_LINE
- SPEAK_FRST_LINE
- SPEAK_LAST_LINE
- SPEAK_INDENT
- SPEAK_CURR_LOCN
- SHOW_CURR_LOCN

ROUTE_SPEECH - Bring speech cursor to character.

The following modifiers may be specified:

- a column number

SPEAK_CURR_CHAR - Speak current character.

DESC_CURR_CHAR - Describe current character.

SPEAK_PREV_CHAR - Go to and speak previous character.

The following modifiers may be specified:

- Motion: route

SPEAK_NEXT_CHAR - Go to and speak next character.

The following modifiers may be specified:

- Motion: route

SPEAK_FRST_CHAR - Go to and speak first non-blank character on line.

The following modifiers may be specified:

- Motion: route

SPEAK_LAST_CHAR - Go to and speak last non-blank character on line.

The following modifiers may be specified:

- Motion: route

SPEAK_CURR_PWRD - Speak current partial (identifier or symbols) word.

SPELL_CURR_PWRD - Spell current partial (identifier or symbols) word.

SPEAK_PREV_PWRD - Go to and speak previous partial (identifier or symbols) word.

The following modifiers may be specified:

- Motion: route

SPEAK_NEXT_PWRD - Go to and speak next partial (identifier or symbols) word.

The following modifiers may be specified:

- Motion: route

SPEAK_CURR_WORD - Speak current whitespace-delimited word.

SPELL_CURR_WORD - Spell current whitespace-delimited word.

SPEAK_PREV_WORD - Go to and speak previous whitespace-delimited word.

The following modifiers may be specified:

- Motion: route

SPEAK_NEXT_WORD - Go to and speak next whitespace-delimited word.

The following modifiers may be specified:

- Motion: route

SPEAK_CURR_LINE - Speak current line.

SPELL_CURR_LINE - Spell current line.

SPEAK_PREV_LINE - Go to and speak previous line.

The following modifiers may be specified:

- Motion: route

SPEAK_NEXT_LINE - Go to and speak next line.

The following modifiers may be specified:

- Motion: route

SPEAK_FRST_LINE - Go to and speak first non-blank line on screen.

The following modifiers may be specified:

- Motion: route

SPEAK_LAST_LINE - Go to and speak last non-blank line on screen.

The following modifiers may be specified:

- Motion: route

SPEAK_INDENT - Speak indent of current line.

SPEAK_CURR_LOCN - Speak speech cursor location.

SHOW_CURR_LOCN - Set speech cursor visibility on/off.

The following modifiers may be specified:

- Toggle: on, off

## Keyboard Input

- PASSDOTS
- PASSCHAR
- KEY_BACKSPACE
- KEY_ENTER
- KEY_TAB
- KEY_CURSOR_LEFT
- KEY_CURSOR_RIGHT
- KEY_CURSOR_UP
- KEY_CURSOR_DOWN
- KEY_PAGE_UP
- KEY_PAGE_DOWN
- KEY_HOME
- KEY_END
- KEY_INSERT
- KEY_DELETE
- UNSTICK
- UPPER
- SHIFT
- CONTROL
- META
- ALTGR
- GUI
- KEY_ESCAPE
- KEY_FUNCTION
- SWITCHVT
- SWITCHVT_PREV
- SWITCHVT_NEXT
- SELECTVT
- SELECTVT_PREV
- SELECTVT_NEXT
- BRLKBD
- BRLUCDOTS

PASSDOTS - Type braille dots.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock
- Character: upper, escaped
- Braille: dot1, dot2, dot3, dot4, dot5, dot6, dot7, dot8, space

PASSCHAR - Type unicode character.

The following modifiers may be specified:

- a single character
- Input: shift, control, meta, altgr, gui, capslock
- Character: upper, escaped

KEY_BACKSPACE - Backspace key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_ENTER - Enter key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_TAB - Tab key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_CURSOR_LEFT - Cursor-left key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_CURSOR_RIGHT - Cursor-right key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_CURSOR_UP - Cursor-up key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_CURSOR_DOWN - Cursor-down key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_PAGE_UP - Page-up key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_PAGE_DOWN - Page-down key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_HOME - Home key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_END - End key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_INSERT - Insert key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_DELETE - Delete key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

UNSTICK - Clear all sticky input modifiers.

UPPER - Cycle the Upper sticky input modifier (next, on, off).

SHIFT - Cycle the Shift sticky input modifier (next, on, off).

CONTROL - Cycle the Control sticky input modifier (next, on, off).

META - Cycle the Meta (Left Alt) sticky input modifier (next, on, off).

ALTGR - Cycle the AltGr (Right Alt) sticky input modifier (next, on, off).

GUI - Cycle the GUI (Windows) sticky input modifier (next, on, off).

KEY_ESCAPE - Escape key.

The following modifiers may be specified:

- Input: shift, control, meta, altgr, gui, capslock

KEY_FUNCTION - Function key.

The following modifiers may be specified:

- an offset
- Input: shift, control, meta, altgr, gui, capslock

SWITCHVT - Switch to specific virtual terminal.

The following modifiers may be specified:

- an offset

SWITCHVT_PREV - Switch to the previous virtual terminal.

SWITCHVT_NEXT - Switch to the next virtual terminal.

SELECTVT - Bind to specific virtual terminal.

The following modifiers may be specified:

- an offset

SELECTVT_PREV - Bind to the previous virtual terminal.

SELECTVT_NEXT - Bind to the next virtual terminal.

BRLKBD - Set braille keyboard enabled/disabled.

The following modifiers may be specified:

- Toggle: on, off

BRLUCDOTS - Set braille typing mode dots/text.

The following modifiers may be specified:

- Toggle: on, off

## Special Functions

- SETMARK
- GOTOMARK
- REFRESH
- REFRESH_LINE
- RESTARTBRL
- BRL_STOP
- BRL_START
- RESTARTSPEECH
- SPK_STOP
- SPK_START
- SCR_STOP
- SCR_START

SETMARK - Remember current braille window position.

The following modifiers may be specified:

- an offset

GOTOMARK - Go to remembered braille window position.

The following modifiers may be specified:

- an offset
- Motion: route

REFRESH - Refresh braille display.

REFRESH_LINE - Refresh braille line.

The following modifiers may be specified:

- Row: scaled
- Vertical: toleft

RESTARTBRL - Restart braille driver.

BRL_STOP - Stop the braille driver.

BRL_START - Start the braille driver.

RESTARTSPEECH - Restart speech driver.

SPK_STOP - Stop the speech driver.

SPK_START - Start the speech driver.

SCR_STOP - Stop the screen driver.

SCR_START - Start the screen driver.

## Internal Functions

- NOOP
- OFFLINE
- ALERT
- PASSXT
- PASSAT
- PASSPS2
- TOUCH_AT
- MACRO
- HOSTCMD

NOOP - Do nothing.

OFFLINE - Braille display temporarily unavailable.

ALERT - Render an alert.

The following modifiers may be specified:

- an offset

PASSXT - XT (set 1) keyboard scan code.

The following modifiers may be specified:

- Keyboard: release, emul0, emul1

PASSAT - AT (set 2) keyboard scan code.

The following modifiers may be specified:

- Keyboard: release, emul0, emul1

PASSPS2 - PS/2 (set 3) keyboard scan code.

The following modifiers may be specified:

- Keyboard: release, emul0, emul1

TOUCH_AT - Current reading location.

The following modifiers may be specified:

- an offset

MACRO - Execute command macro.

The following modifiers may be specified:

- an offset

HOSTCMD - Run host command.

The following modifiers may be specified:

- an offset