Update 3 2 open data

3-2-open-data.md

@@ -9,8 +9,6 @@ To open a file or a directory containing multiple files:
 1.  In *Open Data* panel, click *Open File* or *Open Directory*, respectively.
 1.  In the *Open* dialog box, navigate to the file or the folder that you want to open, and then  click *Open* button.
 
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 ### 2. Using *Variables Pane* to manage variables.
 
 After opening data files, the **Variables Pane** displays a hierarchical tree structure (*File Name* -> *Category Name* or *Vertical Coordinate System* -> *Variable Name*) of the variables in your data. 
@@ -41,8 +39,6 @@ By default, the variables are grouped by category and displayed with ID. You can
 
 ![](img/3-2-2-variables-close.png)
 
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 ##### Speed up by right-click
 
 To customize variables in a data file, select the file name and right-click, then choose the options.