Description of the tool
This tool allows you to choose the colour of Redline markers that will be added to the map. The marker itself is predefined as a pin drop. 
How to use the tool
Prerequisite:
None
Steps:
- Click on the Redline Marker Settings tool.
- Choose a colour for the marker from the list (Green, Red or Blue). Any Redline markers added now will be drawn in this colour.
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