2-8
Chapter 2: Site Preparation
Tilt Angle
The
DynaKey
height,
user
eye
height,
and
distance
from
the
user’s
eye
to
the
DynaKey
are
used
to
calculate
the
angles
for
tilt
of
the
DynaKey.
•
The
DynaKey
mount
should
permit
rotation
of
2
‐
60
degrees
about
the
x
‐
axis
from
vertical.
•
If
it
is
impossible
to
achieve
the
entire
tilt
range,
22
‐
40
degrees
is
acceptable.
20621
0
Standing Eye
Height
Height From Floor to
the 7-8-9 Row
Ideal:
2 - 60 Degrees
Acceptable:
22 - 40 Degrees
0
= tan
-1
(Standing Eye Height - DynaKey Height)
Distance From Eye to Center of DynaKey
