Key Table: HumanWare Brailliant BI 40
- There are four thumb keys on the front. From left to right, they are:
Previous, Back, Advance, Next.
- There's an eight-key braille keyboard near the back of the top.
From left to right, its keys are: Dot7, Dot3, Dot2, Dot1, Dot4, Dot5, Dot6, Dot8.
- There are three display keys at each end of the braille cells.
From top to bottom:
- The three at the left are named Display1, Display2, and Display3.
- The three at the right are named Display4, Display5, and Display6.