UpDown Desk PRO Series Set Up And Operation Manual page 22

Now, extend the return side frame to suit your return desktop. Extend to 1.3 markings for a 120cm
top and 1.6 markings for a 150cm top. It's also advisable to keep the control box parallel to the
spreader bars as shown by ensuring mounting tabs stay directly opposite one another. Place the
return desktop on the frame ensuring it's butted up to the main desktop.
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