---BRLTTY Navigator 80 Help Screen---

"c-" means cursor, "d-" means display.
"dn" means down, "rt" is right, "lt" is left.
Thus:
cLt cRt cUp cDn: those are the center left/right/up/down keys.
dLt dRt: are the extremity keys.
dUp dDn: the second keys from the extremities.
"Lx" is the square key left of cLt.
"Rx" is the square key right of cRt.
"CR#" means cursor routing key (sensor switch) number #.
"+" means keys are combined (pressed together).

Movement:
  One line up/down: dUp / dDn
  Goto cursor: Rx
  Goto previous reading position (before cursor tracking moved us): Rx+Cup
  Cursor tracking (link/unlink): Lx (toggle)
  Goto top left of screen: dUp+dLt
  Goto bottom left of screen: dDn+dLt
  Previous/next non-identical line: Rx+dUp / Rx+dDn
  Previous/next line with different attributes: Lx+dUp / Lx+dDn
  One character left/right: CR1+CR2 / CR79+CR80 or Lx+cLt / Lx+cRt
  Move right # chars: CR# +cUp
  Left/right one window (useful if line longer than 80chars): dLt / dRt
  Beginning/end of line: cUp+dLt / cUp+dRt
  Half-window left/right: CR1+CR3 / CR78+CR80 or cUp+cLt / cUp+cRt
  Several lines up/down: Lx+dUp / Lx+dDn
  Prev/next paragraph (line after blank lines): CR1+CR2 + dUp / CR1+CR2 + dDn
  Prev/next line indented no more than #: CR# + dUp / CR# + dDn
  Remember current position as mark #: CR# + Lx
  Goto mark #: CR# + Rx

Simulation of keyboard arrow keys:
  Up/dn / left/right arrow: cUp/cDn / cLt/cRt
  Switch virtual terminal: CR# + cDn

Special modes
  This help: CR1+CR80 or cLt+cRt (toggle)
  Key describer (learn mode): CR1+CR2+CR79+CR80 or cLt+cRt+cUp+cDn (toggle)
  Freeze/unfreeze screen: Lx+Rx (toggle)
  Attribute underlining on/off: cUp+cDn or cDn+dUp (toggle)
  Show attribute representations: cUp+cDn+Lx or cDn+dUp+Lx (toggle)
  Info mode: dUp+dDn or cUp+dDn (toggle)
  Attribute info for a char: CR#+cUp+cDn or CR#+cDn+dUp

Cursor routing:
  Route cursor to anywhere on current line: cDn+dDn
  Route cursor to cell #: CR#

Cut & paste:
  Mark start of cut region at cell #: CR#+dRt
  Mark start of cut region for appending at cell #: CR#+CR(#+1) +dRt
  Mark end (bottom right) of rectangular cut region at cell #: dLt+CR#
  Mark end of linear cut region at cell #: dLt + CR#+CR(#-1)
  Mark whole region (on one display) starting at cell #(n1) and ending at
    cell #(n2): CR#(n1) + CR#(n1+2) + CR#(n2)
    For example, a region from cell 10 to cell 20: CR10+CR12+CR20
  Paste cut region: CR2+CR3 or Rx+cDn
  Prev/next prompt (same prompt as current line): CR2+CR3+dUp / CR2+CR3+dDn
  Search for same text as in content buffer: CR1+CR3+dUp / CR1+CR3+dDn

Speech:
  Speak line: dRt+dDn
  Speak from here to bottom of screen: dLt+dRt+dDn
  Stop speaking: dRt+dUp
  Goto speech position: Rx + dRt

Preferences:
  Preferences menu:
    Enter/exit preferences menu: dLt+dRt (sort of a toggle)
      In the menu:
      Previous/next setting option for this item: cLt / cRt
      Previous/next menu item: dUp / dDn
    Save preferences: dLt+dRt+Rx
    Load preferences: dLt+dRt+Rx+Lx
  Various options can be controlled directly (hotkeys):
    Skip identical lines (on/off): dLt+dRt +Rx+dDn (toggle)
    Skip blank end-of-lines (on/off): dLt+dRt +Lx+dDn (toggle)
    Sliding braille window (on/off): dLt+dRt +cLt (toggle)
    Audio tones (enable/disable): dLt+dRt +cLt+Lx (toggle)
    Show/hide cursor: dLt+dRt +cUp (toggle)
    Six dots mode (toggle): dLt+dRt +cDn (toggle)
    Cursor blinking (on/off): dLt+dRt +cUp+Lx (toggle)
    Blink capital letters (on/off): dLt+dRt +cDn+Lx (toggle)
    Attribute underlining (on/off): treated in section on special modes
    Attribute underlining blinks (on/off): dLt+dRt +cRt+Lx
      or dLt+dRt +Lx+dUp (toggle)
-----End of help screen-----
