The panning keys pan the tactile view horizontally and the inner function
keys pan it vertically, which together let a reader reach the whole chart
while zoomed in without leaving the display. The outer function keys scroll
the braille text line below it.
Hardware keys MAIDR responds to.
The panning keys pan the tactile view horizontally and the inner function keys pan it vertically, which together let a reader reach the whole chart while zoomed in without leaving the display. The outer function keys scroll the braille text line below it.