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until the UPPER and LOWER operating knobs are locked to the top raised
position (third level) with an audible “click”.
When the side rail is raised at its maximum top height (third level), then you
can adjust it at the second level of height (see how
to lower the side rail
at
page 20) or leave it at the third level (maximum top height).
IFU-120765-SLB-RD-Chiappa-Arredamenti-11/2017#ed04
24