An Eight-Second Mistake!

Here's an example:

• A user wants to click on the 2nd row of an on-screen keyboard.
• The scan speed is set for 2 seconds to give enough time for the user to process the keyboard.
• The software advances to the 2nd row.
• The user is checking the row for the desired key (or gets distracted).
• Oops! Scanning has already advanced to the third row [ 2 seconds pass].
• The user has to wait while being offered the fourth row [ 2 seconds ].
• Assume at least a fifth row so the user has to wait through that row [ 2 seconds ].
• Now scanning starts over at the first row [2 seconds ].
• Finally back to the second row.

Now count up all those twos. This mistake will cost the user at least 8 seconds!
REACH has an answer to solve this problem. REACH's scan undo!