HELP for Papenmeier Braillex Screen 2D
status display:
line 1   current line number
line 3   cursor position - row
line 4   cursor position - column
status cells: left half: line number    right half: no/all bits set
line 6   cursor tracking
line 7   dispmode (text / attribut)
line 9   screen frozen
line 13  cursor visible
line 14  cursor size
line 15  cursor blink
line 16  capital letter blink
line 17  6 or 8 dots
line 18  sound
line 19  skip identical lines
line 20  attribute underlining
line 21  blinking of attribute underlining
front keys are:
front key  "up"  go up one line (LNUP) 
front key  "1"   go to prev different screen line (PRDIFLN) 
front key  "dwn" go down one line (LNDN)
front key  "4"   go to next different screen line (NXDIFLN)
front key  "2"   go up several lines (WINUP)
front key  "5"   go down several lines (WINDN)
front key  "3"   previous line with differing attributes
front key  "6"   next line with differing attributes
front key  "H"   go to top of screen (TOP)
front key  "E"   go to bottom of screen (BOT)
front key  "S"   go back to cursor (HOME)     
front key "7" + routing key: CUT begin (CUTBEG)
front key "8" + routing key: CUT end (CUTEND)
status col "22" insert (PASTE)
routing key      cursor jump
Side keys (status column) are:
status col "1"  display help (HELP)
status col "2"  redisplay (RESTARTBRL)
status col "3"  cursor move vertical (CMD_CSRJMP_VERT)
status col "6"  toggle cursor tracking (CSRTRK) 
status col "7"  toggle attribute display (DISPMD)
status col "8"  get status information (INFO)
status col "9"  freeze the screen (FREEZE)
status col "10" enter configuration menu (CONFMENU)
status col "11" save brltty configuration (SAVECONF)
status col "12" restore saved (or default) settings (RESET)
status col "13" toggle cursor visibility (CSRVIS)
status col "14" toggle cursor size (CSRSIZE)
status col "15" toggle cursor blink (CSRBLINK)
status col "16" toggle capital letter blink (CAPBLINK)
status col "17" toggle six-dot mode (BRLDOTS)
status col "18" toggle sound on/off (SND)
status col "19" toggle skip identical lines (SKPIDLNS)
status col "20" toggle attribute underlining
status col "21" toggle blinking of attribute underlining
status col "22" paste (PASTE)
During configuration:
front key  "up"  next entry
front key  "dwn" previous entry
front key  "2"   change (up)
front key  "5"   change (down)

