When plotting, how can I keep the connection line colors but make the valves black?

When plotting, how can I keep the connection line colors but make the valves black?

Save the attached file, LineColor.stb, to the following folder: 
C:\Users\%username%\AppData\Roaming\VEST\HyDraw CAD 2024\R2024\enu\Plotters\Plot Styles. 

Open HyDraw CAD. In the ribbon menu, select "Drafting", and open "Layer Properties." 
Preview

In the Plot Style column, set the Plot Style for each layer as shown in the screenshot below. 
  • Normal is set to plot in "black and white"
  • Style 1 is set to plot in "colors"





















When plotting, the result should now appear as shown below. 
Preview