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From SofTutor for MicroStation 2D - Locks
Topics & Keywords covered in this video are:

Locks - Snap Toggle Icon Pop up Menu
Update Screen Grid Delete Refresh View
Locks - Using Multiple Locks Toggle Icon Override Grid Snap Unit
Locks - Text Node Toggle Snap Find Editor
Locks - Level Toggle Icon Change Element Modify
Locks - Isometric Toggle Axis Angle Plane Top Left Right
Locks - Grid Toggle Icon Pop up Menu
Locks - Graphic Group Toggle Cell Element Multiple Modify
Locks - Changing Variables With Full Option Iso Menu XY Degree Units Snap Axis
Locks - Axis Toggle Icon Pop up Menu XY Degree
Locks - Association Toggle Icon Change Dimension Element
Isometric Elements - Block & Circle Axis Angle Plane Top Left Right
Locks Open Toggle Icon Menu Grid Axis Snap
Locks - Finding Open Toggle Icon Menu Grid Axis Snap
Locks - Unit Toggle Icon Distance Setup Full