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From SofTutor for MicroStation 2D - Part 2: Polar Coordinates & Commands
Topics & Keywords covered in this video are:

Polar Coordinates - Drawing A Conventional Angle DI Delta Relative Design Plane
Changing The Design File Settings Coordinate Readout Relative View Delta Settings
Polar Coordinates - Drawing A Bearing Angle DI Delta Relative Design Plane North East
Part 2: Polar Coordinates & Commands DI Delta Relative Design Plane North East