Details on Free Symbols
Information about the Free Symbols dialog.
In the Free symbols dialog, you can assign your own symbols to the symbol placeholders.
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A symbol is a drawing saved in DWG format. Therefore, you can use any drawn object (even multiples) as a symbol. The objects can be taken from the current drawing via the Properties dialog () or loaded from another file in DWG format.
back, 
continue
Use these buttons to switch between the different bars for free symbols.
Dropdown list Symbol toolbars
Dropdown list to choose the different bars of free symbols.
Standard size
Restores the default size of the dialog if it has been resized.
Stretch/do not stretch buttons
Activates/deactivates the stretching of the symbol buttons to the size of the dialog window.
Options
Opens the Symbol bar options where you can set the symbol factor and label settings, among other things.
Search symbol
Opens the Symbol search dialog, through which you can search for symbols. After entering and confirming the search term, the system searches for symbols and displays the first symbol toolbar that contains a symbol with the search term. The search hits are highlighted in color. Upper and lower case is not considered.
Search next symbol
Click the button to search the next symbol toolbars for the search term.
Symbol tag for pipe or duct network calculation
You can highlight symbols that you can use for the pipe or duct network calculation with the LINEAR Analyse programs. To do this, enable the Highlight checkbox in the dialog Toolbar options () and, if necessary, use the color field to adjust the color used. Symbols that are not colored after activation are only intended for graphical representations in the drawing.
Links: Corner valve - used in pipe network calculation with the LINEAR Analyse programs.
Right: Three-way valve - only for graphical representations (no technical data stored).