System information
Tips:
n  When you drag a group of selected events, the first and last event will snap to other snap 
points on the timeline. If the leftmost event has an event snap offset established, the offset 
will be used as the left snap point.
n  When snapping is enabled, you can hold the Shift key to temporarily override snapping.
n  When snapping is not enabled, you can hold the Shift key to temporarily enable snapping.
n  You can edit snap indicator colors on the Display tab of the Preferences dialog. For more 
information, see "Preferences - Display Tab" on page 606.
n  If you drag to a snap point that does not occur on a frame boundary when Quantize to 
Frames is enabled, the snap indicator is displayed as a dashed line to indicate that the snap 
point will be quantized to the nearest frame boundary:
For more information, see "Quantize to Frames" on page 142.
Turning snapping on or off
From the Options menu, choose Enable  Snapping to turn snapping on or off. When snapping is enabled,  
events will snap to the following points:
n  Other events' edges
n  The cursor
n  Time selection edges
n  The first and last event edges (when dragging multiple events) 
You can also choose to snap events to grid lines or to markers.
Snapping to the grid
When snapping is enabled, you can also choose to have elements  in the timeline snap to the vertical grid 
lines in the timeline.
From the Options menu, choose Snap  to Grid (or press Ctrl+F8) to toggle snapping to grid lines.
To change the spacing  of the grid, choose Grid   Spacing from the Options menu and choose a setting 
from the submenu.
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