There are 2 vertical cursors (Cursor A and Cursor B) that can be used
in YT Window.
The switch between display and un-display of them can be performed by [View]-[YT
Cursor]-[Cursor A] or [Cursor B] from Menu bar.
Each cursor can be moved by mouse dragging.
The information on cursors is shown in Property Viewer.
Display Vertical Cursors
The information on cursor A and B shown in Property Viewer is the data of current active channel.