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How
l>ot'S
it Work'?
(cont.)
active area
--· -
-
-----
proximity= 1/2"
The area of
the tablet
where
the
grid
is located
is called
the tablet
active area. Unless you
have
X-ray
vision, you can't see
the
active
area. So we etched a groove
in the
tablet surrounding
it.
c===i !
The SummaSketch
II
active area
is
I
1.7"
x
11.7"
(shown above). The
SummaSketch
II
Professional
active area is
18"
x
J
2"
.
Proximity is the
maximum distance
above
the
active area
that
the
cursor/stylus can
be held
and still
be read by
the tablet.
The proximity
of
the
cursor/stylus
is
1/2-inch_ The
cursor/stylus
does
function
at greater heights.
but per-
formance, such as accuracy.
begins
to
suffer.
The advantage of
proximit
y
is that
the
cursor/stylus
and
tablet
need
not be
in
direct contact with each
other
to
work.
You L
·an
draw
and
trace through layers
of
materials
,
e.g.
drawings
and
rhotos
.
ur
to the
proximity
limit
- -
1/.:!
-inch.
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