Alignment Masks

To mask an alignment

1. Click Alignment tabModify panelAlignment Properties drop-downAlignment Properties.At the Command prompt, enter EditAlignmentProperties.
2. In the Alignment Properties dialog box, click the Masking tab.
3. Click Add Masking Region.
4. Specify the start station for the mask by clicking along the alignment, entering a numeric station value, or clicking Lock to Start in the masking table.
5. Specify the end station for the mask by clicking along the alignment, entering a numeric station value, or clicking Lock to End in the masking table.
6. Optionally, enter notes about the mask in the Comment column.