Pie Chart / Gauge Style Dialog - Open Parameters Tab
Open parameters are applied to any pie chart/gauges when the device that they represent is out-of-service.
Special Formatting for Open Devices
When checked, the Open Size Scalar, Open Border Width, and Open Border Color options are applied when a device is out-of-service.
Use Special Open Background Color
When checked, the Open Background Color option is applied.
Open Symbol
When an Open Symbol other than None is selected, the symbol will be drawn in the selected Open Symbol Color.