---BRLTTY Navigator 20/40 Help Screen---

"L-" means left keypad and "R-" mean right keypad
  (as in "Rdn" which means the "down" button from the right keypad).
"dn" means down, "rt" is right, "lt" is left, "rn" for the round buttons.
"+" means keys are combined (pressed together).

Movement:
  Left/right one window: Rlt / Rrt
  One line up/down: Rup / Rdn
  Goto cursor: Rrn
  Goto previous reading position (before cursor tracking moved us): Rrn+Lup
  Cursor tracking (link/unlink): Lrn (toggle)
  Goto top left of screen: RUP+RLT
  Goto bottom left of screen: RDN+RLT
  Previous/next non-identical line: Rrn+Rup / Rrn+Rdn
  Previous/next line with different attributes: Lrn+Rup / Lrn+Rdn
  One character left/right: Lrn+Llt / Lrn+Lrt
  Beginning/end of line: Lup+Llt / Lup+Lrt
  Half-window left/right: Lup+Llt / Lup+Lrt
  Several lines up/down: Lrn+Rup / Lrn+Rdn

Simulation of keyboard arrow keys:
  up/dn / left/right arrow: Lup/Ldn / Llt/Lrt

Special modes
  This help: Llt+Lrt (toggle)
  Key describer (learn mode): Llt+Lrt+Lup+Ldn (toggle)
  Freeze/unfreeze screen: Lrn+Rrn (toggle)
  Attribute underlining on/off: Lup+Ldn or Ldn+Rup (toggle)
  Show attribute representations: Lup+Ldn+Lrn or Ldn+Rup+Lrn (toggle)
  Info mode: Rup+Rdn or Lup+Rdn (toggle)

Cursor routing:
  Route cursor to anywhere on current line: Ldn+Rdn
  Route cursor to cell 1 of display: Ldn+Rdn+Rlt
  Route cursor towards end of display: Ldn+Rdn+Rrt

Cut & paste:
  Mark start of cut regoin at first cell: Rrn+Llt
  Mark start of cut regoin for appending: Rrn+Llt+Rup
  Mark end (bottom right) of rectangular cut region at last cell: Rrn+Lrt
  Mark end of linear cut region at last cell: Rrn+Lrt+Rup
  Virtual cursor mode for specifying region to cut: Rrn+Llt+Lrt
    In this mode:
    Quit and cancel: Rrn+Llt+Lrt again
    Cut commands now act on cursor position instead of first/last cell.
    Move virtual cursor left/right: Rlt / Rrt
    Move cursor left/right by 5cells: Rup / Rdn
    ... By 10cells: Lup / Ldn
    Bring virtual cursor to first/last cell: Llt / Lrt
  Paste cut region: Rrn+Ldn

Speech:
  Speak line: Rrt+Rdn
  Speak from here to bottom of screen: Rlt+Rrt+Rdn
  Stop speaking: Rrt+Rup

Preferences:
  Preferences menu:
    Enter/exit preferences menu: Rlt+Rrt (sort of a toggle)
      In the menu:
      Previous/next setting option for this item: Llt / Lrt
      Previous/next menu item: Rup / Rdn
    Save preferences: Rlt+Rrt+Rrn
    Load preferences: Rlt+Rrt+Rrn+Lrn
  Various options can be controlled directly (hotkeys):
    Skip identical lines (on/off): Rlt+Rrt +Rrn+Rdn (toggle)
    Skip blank end-of-lines (on/off): Rlt+Rrt +Lrn+Rdn (toggle)
    Sliding braille window (on/off): Rlt+Rrt +Llt (toggle)
    Audio tones (enable/disable): Rlt+Rrt +Llt+Lrn (toggle)
    Show/hide cursor: Rlt+Rrt +Lup (toggle)
    Six dots mode (toggle): Rlt+Rrt +Ldn (toggle)
    Cursor blinking (on/off): Rlt+Rrt +Lup+Lrn (toggle)
    Blink capital letters (on/off): Rlt+Rrt +Ldn+Lrn (toggle)
    Attribute underlining (on/off): treated in section on special modes
    Attribute underlining blinks (on/off): Rlt+Rrt +Lrt+Lrn
      or Rlt+Rrt +Lrn+Rup (toggle)
-----End of help screen-----
