50-55* UPPER VISUAL LIMIT BROW CLTT OFF
HEAD ROTATIONS 0'
PASY | |
3°’ \NORMAL SLOUCH |
S° |
(( EAR | |
1 1 \HOLE | |
HORIZ LINĘ V l \jv: |
15° NO FATIGUE
FRANKFORT LłNE ESTA8ŁISMES HORIZ StGHT LINĘ
LIGHT SOURCES BELOW THIS LINĘ CAUSE DISABILITY GLARE
25' MAX EYE
ROTATION
UP
ACCEPTABLE RANGĘ
HORIZONTAL SIGHT LINĘ
^OyCHSlGHT LINĘ
OPTRANGĘ
35° MAX EYE ROTATION DOWN
Ctwwl from Thv rwasuro ofmnn Ą woman by Henry Dreyfuss Assocwrtos
45° WITH HEAD TILT FWO
45-60' PRIMARY VIEW!NG FOR KEY80ARDS 70-80r LOWER VISUAL LIMIT READING OR
\ CHEEK BONĘ CUT-OFF WRITING