# BTMARKDISPLAY System Variable [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) → [B](Help%20System/GSTARCAD/2020/System%20Variables/B/(B).md) **Function Description:** The BTMARKDISPLAY system variable is used to control whether to display value set marker for dynamic block reference. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 1 | | Range | 0,1 | **System Variable Value:** **0:** specify to not display value set marker **1:** specify to display value set marker --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/B/BTMARKDISPLAY%20System%20Variable--77181f90c8ec.md) · [GstarCAD 2017](../../../2017/System%20Variables/B/BTMARKDISPLAY%20System%20Variable--77181f90c8ec.md) · [GstarCAD 2018](../../../2018/System%20Variables/B/BTMARKDISPLAY%20System%20Variable--77181f90c8ec.md) · [GstarCAD 2019](../../../2019/System%20Variables/B/BTMARKDISPLAY%20System%20Variable--77181f90c8ec.md) · [GstarCAD 2021](../../../2021/System%20Variables/B/BTMARKDISPLAY%20System%20Variable--77181f90c8ec.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/B/BTMARKDISPLAY%20System%20Variable--77181f90c8ec.md)