Computer Aided Design (Cad) Operator Preferences; Tips For Setting Up And Using Your Workstation; Facilities Selection; Table 7-2 Workstation Adjustments Preferred By Cad Users - Silicon Graphics IRIS Indigo Owner's Manual

Tips for Setting Up and Using Your Workstation

Computer Aided Design (CAD) Operator Preferences

If you work on a CAD system, you may feel more comfortable using the ranges of
adjustment shown in Table 7-2.
Table 7-2 Workstation Adjustments Preferred by CAD Users
Adjustment
cm (in.)
Seat pan height
Work surface height
Monitor center above
floor
Screen viewing
distance
Work surface tilt
b
Monitor tilt
a. Derived from Grandjean, Etienne. Ergonomics in Computerized Offices. London:
Taylor & Francis Ltd., 1987, p. 148.
b. Negative tilt = a forward monitor inclination (top of the screen toward the operator)
The following tips may be useful for setting up an ergonomic work environment that is
safe, comfortable, and productive. Although you may be able to perform this procedure
yourself, it is useful to work with a friend to achieve the best fit.

Facilities Selection

1. A good work chair should swivel, and you should be able to adjust the seat height
while sitting. The seat should have a rounded front edge. The chair should have a
large enough base to remain stable when adjusted to its maximum height. It should
have castors or glides. Many chairs rock, which may partially relieve the muscle
Tips for Setting Up and Using Your Workstation
Mean
cm (in.)
54 (21.3)
73 (28.7)
113 (44.5)
70 (27.6)
8.6 degrees
-7.7 degrees
a
Range
cm (in.
50-57 (19.7-22.4)
70-80 (27.6 -31.5)
107-115 (42.1-45.3)
59-78 (23.2-30.7)
2-13 degrees
-15 - +1 degrees
169