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To Use the Elevation Lock

By default, the elevation lock is turned off each time you add duct.

  1. Add duct, and lay out the duct run, as explained in Drawing a Duct Run.
  2. In the Properties palette, next to the elevation value, click the unlock button .
  3. Specify points for the duct run.
    Tip: To connect a horizontal duct to a vertical duct, move the cursor over the vertical segment to get a duct curve connector, and click on it. If you have difficulty achieving the desired connection, try using a different view, such as a side or isometric view, when connecting the horizontal duct run to the vertical segment.
  4. To turn off the elevation lock, click the lock button .

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