Toggle insert/overstrike mode
Chord i (SPC+2 4), insert mode is default
Incremental forward search
Incremental backward search
Forward search and replace
Display character in ASCII
Save file (without closing it)
Open file in read-only mode
Hold down SPC+1 3 4 about half a second
Switch between Braille display and status
module display
Fixed Key Functions on External Keyboard
Switch external keyboard to PC
Entire Braille display line to left
Entire Braille display line to right
Toggle between insert and overstrike
Delete character left of cursor
Delete block (without copying)
Incremental forward search
Incremental backward search
Forward search and replace