2-8 Chapter 2: Site Preparation
Tilt Angle
TheDynaKeyheight,usereyeheight,anddistancefromtheuser’seye
totheDynaKeyareusedtocalculatetheanglesfortiltoftheDynaKey.
• TheDynaKeymountshouldpermitrotationof2‐60degreesabout
thex‐axisfromvertical.
• Ifitisimpossibletoachievethe
entiretiltrange,22‐40degreesis
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