The Create Sections command is used to create, modify, and display sections.
To work with sections, go to
Ribbon: DM HVAC->Ducts-> 
Create Sections
Pulldown Menu: DM HVAC->Sections->Create Sections
Duct Sections Dialog Box
Section Name: The names of the sections that have been created in the project.
New Section: Press this button to create a new section. The New Section dialog box will appear.
Section Name: The name of the section to be created.
Edit Section: Press this button to change the name of the selected section. The Edit Section dialog box will appear.
Old Name: The current name of the section.
Section Name: The new name of the section.
Delete Section: Press this button to delete the selected section.
Add Ducts: Press this button to add ducts to the selected section. You will be prompted to select the ducts on the drawing to be added. Ducts already in the section will be highlighted.
Select the ducts to add to the section / <Cancel>:
Press ENTER to add the selected ducts to the section. The Duct Sections dialog box will appear.
Remove Ducts: Press this button to remove ducts from the selected section. You will be prompted to select the ducts on the drawing to be removed. Ducts not in the section will be highlighted.
Select the ducts to remove from the section / <Cancel>:
Press ENTER to remove the selected ducts from the section. The Duct Sections dialog box will appear.
Add MEQ: Press this button to add mechanical equipment to the selected section. You will be prompted to select the mechanical equipment on the drawing to be added. Mechanical equipment already in the section will be highlighted.
Select the mechanical equipment to add to the section:
Press ENTER to add the selected mechanical equipment to the section. The Duct Sections dialog box will appear.
Remove MEQ: Press this button to remove mechanical equipment from the selected section. You will be prompted to select the mechanical equipment on the drawing to be removed. Mechanical equipment not in the section will be highlighted.
Select the mechanical equipment to remove from the section:
Press ENTER to remove the selected mechanical equipment from the section. The Duct Sections dialog box will appear.
Draw Cutline: Press this button to draw the cutline for the selected section. You will be prompted to specify the location for the cutline on the drawing.
First point for section cutline:
You will then be prompted to specify the end of the cutline.
Second point:
You will then be prompted to specify which direction the cutline will face.
Pick point on side to face:
Specify a point on the side of the cutline with the ducts you want to have displayed. The Duct Sections dialog box will appear.
Set Insertion Point: Press this button to insert the selected section on the drawing. You will be prompted to specify the insertion point for the section.
New insertion point for section / <Cancel>:
The section will be inserted at the specified location. The Duct Sections dialog box will appear.
Generate Section: Press this button to update the selected section. The section will be redrawn in its current location, referencing the ducts and mechanical equipment you have selected. If the section has not been inserted on the drawing, you will be prompted to specify an insertion point as if you had pressed the Set Insertion Point button.