XS_FS_POSTFIX_FOR_MERGED_PART_MARK
Category in Advanced options dialog: Marking - parts
Use this advanced option to define the far side (FS) postfix in merged part marks. This postfix is visible for identical parts on far side. FS is the default value.
This advanced option is model specific and the setting is saved in the options database.
In merging part marks, you may also find the following advanced options useful:
XS_MULTIPLIER_SEPARATOR_FOR_MERGED_PART_MARK
XS_NSFS_POSTFIX_FOR_MERGED_PART_MARK