Symbol blocks shipped with AutoCAD Architecture 2022 toolset are by default located in %AECCONTENT_DIR%\Styles\Imperial\AEC Annotation Symbols (Imperial).dwg or %AECCONTENT_DIR%\Styles\Metric\AEC Annotation Symbols (Metric).dwg.
If this property is unspecified (-), then only those blocks in the current drawing file are listed.
Click the property and use the Browse option from the drop-down list to locate and enter the path to the file. The location of the drawing file containing the specified symbol. Specifies the block-based symbol to be used for the bar scale. Click the worksheet icon to access the Select Layer Overrides worksheet. Specifies one or more layer key overrides. To change, click the current value to access the Select Layer Key worksheet. Specifies the layer key for the layer to which the bar scale is assigned.
