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Review and Edit Project Preferences
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Before any data are uploaded into a project, open the project using the Project ID and Manager Keyword. Review the preferences to best leverage the capabilities of the software. If data are uploaded prior to modifying the preferences, the results may not be displayed correctly.

.. _Figure4-1.jpg:
.. figure:: ../images/Figure4-1.jpg
   :width: 300 px
   :alt: Review and Edit Project Preferences

   Review and Edit Project Preferences

As shown in :numref:`Figure4-1.jpg`, click on the Preferences button to open your project preferences.
A pop-up window will open (make sure your browser will accept pop-up windows). Across the top of the window, as is typical of all OP pop-up windows, there is a central action button (e.g. Save Changes and Close), a right-hand Cancel/Close button, a left-most Help button, and a Refresh button immediately right of the Help button.

.. _Figure4-2.jpg:
.. figure:: ../images/Figure4-2.jpg
   :width: 600 px
   :alt: Save Project Preferences

   Save Project Preferences   

Note that the window contains five main tabs:

1. Project Title, ID and Keywords (opened by default)
2. Data & Solution Quality Thresholds
3. Data Processing Defaults
4. Session Definition
5. Mark Co-location Definition

These tabs and the preferences contained therein are explained below.

Click the "Save Changes and Close" to save your updated project preferences, as shown in :numref:`Figure4-2.jpg`. Or click X to abandon changes without saving them.

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.. toctree::
  :maxdepth: 2

  section4.1
  section4.2
  section4.3
  section4.4
  section4.5
  section4.6
  section4.7