DataHand Professional II, User Manual

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SECTION 5
L E A R N I N G T O U S E T H E H A N D U N I T S
User's Guide
,
Version 1.7.5
,
November 21, 2002
21
comfort level increases. A total of 2 hours per day for 2 weeks is
recommended. Most users report that it takes a total of 15 to 50 hours of
practice to become well versed with the system.
You can also use some of your practice time to play games on the computer
that allow you to become accustomed to the sensitivity of the hand units’ keys
and finger mouse.
Mo v i ng Yo ur Fi nge r s to P r e s s the Ke y s
When you place your hands on the hand units, each finger should be able to
move freely in 5 directions: north, south, east, west and straight down. The
keys that you activate by pressing straight down are called the well keys.
North
Straight
Down
West East
South
Figure 6. Finger Motions
Note: In the following sections, names of keys are bolded. For example, “On the left
thumb, light pressure activates
SHIFT .”