TradeStation Help
Alert markers are displayed as a small triangle and bars in cells that indicate the status of an alert. There are three different types of alert markers and each appears in a different part of the cell. A brief description of each follows:
In RadarScreen, use the Format > Page menu sequence. You can also select Format Page using the shortcut menu and click the Color tab. The Format Page dialog is displayed.
Apply to all pages - Check this setting to apply the settings to all RadarScreen pages.
Click OK to apply changes or Cancel to exit without changes.