(6) Tighten the 2 thumbscrews of the main unit by hand to secure the display unit.
p Be sure to use hand when tightening the thumbscrews.
p Make sure that no looseness is detected when trying to move the display unit.
(7) Close the thumbscrew covers of the main unit, raise the display unit to its highest
position, and reattach the cable cover.
(6)
(7)
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