# NAVSWHEELOPACITYMINI System Variable [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) → [N](Help%20System/GSTARCAD/2021/System%20Variables/N/(N).md) **Function Description:** The NAVSWHEELOPACITYMINI system variable is used to control the opacity of small SteeringWheels. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 50 | | Range | 25% \~ 90% | When specified to be 90, the big wheel nearly fully opacity in the drawing window and hide object viewport under the wheel. If the value is smaller than 90, the big wheel fades displaying in the drawing window, objects under the wheel are visible. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/N/NAVSWHEELOPACITYMINI%20System%20Variable--5b03d52a78fd.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/N/NAVSWHEELOPACITYMINI%20System%20Variable--5b03d52a78fd.md) · [GstarCAD 2018](../../../2018/System%20Variables/N/NAVSWHEELOPACITYMINI%20System%20Variable--5b03d52a78fd.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/N/NAVSWHEELOPACITYMINI%20System%20Variable--5b03d52a78fd.md) · [GstarCAD 2020](../../../2020/System%20Variables/N/NAVSWHEELOPACITYMINI%20System%20Variable--5b03d52a78fd.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/N/NAVSWHEELOPACITYMINI%20System%20Variable--5b03d52a78fd.md)