AMATECH F-70100 Instructions D'utilisation page 22

INSTRUCTIONS FOR USE
 Level 1 indicates if the leg is vertical.
 Level 2 indicates flex.
 Level 3 indicates tilt.
Document Number: 80028211
Version: A
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Page 22
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Issue Date: 25 MAR 2020
Ref Blank Template: 80025118 Ver. E