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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<HTML
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><HEAD
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><TITLE
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>Screen Layout</TITLE
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><meta name="MSSmartTagsPreventParsing" content="TRUE">
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<META
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="eCos User Guide"
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HREF="ecos-user-guide.html"><LINK
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REL="UP"
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TITLE="The eCos Configuration Tool"
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HREF="the-ecos-configuration-tool.html"><LINK
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REL="PREVIOUS"
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TITLE="Settings"
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HREF="config-tool-settings.html"><LINK
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TITLE="Updating the Configuration"
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HREF="config-tool-updating-configuration.html"></HEAD
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><BODY
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BGCOLOR="#FFFFFF"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>eCos User Guide</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="config-tool-settings.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="config-tool-updating-configuration.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="CHAPTER"
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><H1
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><A
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NAME="CONFIG-TOOL-SCREEN-LAYOUT">Chapter 18. Screen Layout</H1
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><P
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>The following windows are available within the
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      <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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> <SPAN
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CLASS="APPLICATION"
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> Configuration
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        Tool</SPAN
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>:
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    </P
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><P
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></P
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><UL
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><LI
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><P
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>               Configuration Window</P
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></LI
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><LI
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><P
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>               Properties Window</P
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></LI
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><LI
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><P
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>               Short Description</P
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></LI
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><LI
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><P
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>               Conflicts</P
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></LI
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><LI
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><P
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>               Output</P
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></LI
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></UL
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><P
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>The layout of the windows may be adjusted to suit your
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        preferences: see <A
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HREF="config-tool-settings.html"
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>the Section called <I
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>Settings</I
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> in Chapter 17</A
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>.</P
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="CONFIG-TOOL-CONFIGURATION-WINDOW">Configuration Window</H1
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><P
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>This is the principal window used to configure <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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>. It
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          takes the form of a tree-based representation of the
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          configuration items within the currently loaded <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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>
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          packages.</P
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><P
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>In the case of items whose values may be changed,
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          controls are available to set the item values. These either
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          take the form of check boxes or radio buttons within the
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          tree itself or cells to the right of the thin vertical
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          splitter bar. Controls in the tree may be used in the usual
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          way; cells, however, must first be activated.</P
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><P
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>To activate a cell, simply click on it: it will assume a sunken
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appearance and data can then be edited in the cell. To terminate
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in-cell editing, click elsewhere in the configuration window or
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press <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>ENTER</I
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></SPAN
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>. To discard the partial results
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of in-cell editing and revert to the previous value, press <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>ESCAPE</I
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></SPAN
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>.</P
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><P
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><P
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><IMG
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SRC="pix/configwin.png"></P
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></P
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><P
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>Cells come in three varieties, according to the type of
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          data they accept:</P
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><DIV
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CLASS="TABLE"
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><A
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NAME="AEN1273"><P
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><B
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>Table 18-1. Cell types</B
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></P
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><TABLE
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BORDER="1"
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CLASS="CALSTABLE"
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><THEAD
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><TR
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><TH
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ALIGN="LEFT"
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VALIGN="TOP"
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>Cell Type</TH
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><TH
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ALIGN="LEFT"
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VALIGN="TOP"
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><P
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>Data Accepted</P
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></TH
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></TR
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></THEAD
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><TBODY
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Integer</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Decimal or hexadecimal values</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Floating Point</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Floating point values</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>String</TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Any</TD
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></TR
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></TBODY
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></TABLE
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></DIV
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><P
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>In the case of string cells, you can double-click the cell
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to display a dialog box containing a larger region in which to edit
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the string value. This is useful in the case of long strings, or
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those spanning multiple lines.</P
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN1292">Disabled items</H2
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><P
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>Some items will appear disabled. In this case the item
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            label and any associated controls and cells will be
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            grayed. It is not be possible to change the values of
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            disabled items.</P
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><DIV
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CLASS="SECT3"
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><H3
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CLASS="SECT3"
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><A
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NAME="AEN1295">Right-Clicking</H3
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><P
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>You can right-click on an item in the configuration
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              window item to display a pop-up menu which (depending on
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              the type of the item selected) allows you to:</P
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><P
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></P
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><UL
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><LI
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><P
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> <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Properties</I
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></SPAN
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> &#8211;
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                  information relating to the currently selected item
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                  is displayed. The information is equivalent to that
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                  displayed in the Properties
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                  Window.</P
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></LI
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><LI
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><P
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> <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Restore Defaults</I
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></SPAN
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> -
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                  the default value of the currently selected item is
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                  restored.</P
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></LI
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><LI
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><P
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><SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Visit Documentation</I
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></SPAN
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>
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                  - causes the HTML page most closely relating to the
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                  currently selected item to be displayed. This has
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                  the same effect as double-clicking the URL property
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                  in the Properties Window.</P
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></LI
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><LI
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><P
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> <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>View Header File</I
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></SPAN
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>
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                  &#8211; this causes the file containing the items to
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                  be displayed. This is equivalent to double-clicking
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                  on the File property in the Properties Window. The
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                  viewer used for this purpose may be changed using
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                  the <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>View-&gt;Settings</I
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></SPAN
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> menu item
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                  (see <A
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HREF="config-tool-settings.html"
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>the Section called <I
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>Settings</I
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> in Chapter 17</A
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>).
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                  Note that this operation is only possible when the
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                  current configuration is saved, in order to avoid
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                  the possibility of changing the source
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                  repository.</P
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></LI
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><LI
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><P
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><SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Unload Package</I
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></SPAN
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> -
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                  this is equivalent to using the
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                  <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Build-&gt;Packages</I
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></SPAN
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> menu item to
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                  select and unload the package in
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                  question.</P
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></LI
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></UL
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></DIV
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN1317">Conflicts Window</H2
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><P
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>This window exists to display any configuration item
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            conflicts. Conflicts are the result of failures to meet
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            the requirements between configuration items expressed in
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            the CDL. See <A
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HREF="cdl-conflicts.html"
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>the Section called <I
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>Conflicts</I
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> in Chapter 24</A
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> .<P
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><IMG
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SRC="pix/conflictwin.png"></P
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></P
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><P
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>The window comprises three columns:</P
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><P
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></P
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><UL
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><LI
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><P
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>               <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Item</I
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></SPAN
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></P
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><P
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>This is the macro name of the first item involved
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                in the conflict.</P
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></LI
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><LI
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><P
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>
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                <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Conflict</I
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></SPAN
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></P
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><P
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>This is a description of the conflict type. The currently
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                supported types are &#8220;unresolved&#8221;, &#8220;illegal
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                value&#8221;, &#8220;evaluation exception&#8221;, &#8220;goal
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                unsatisfied&#8221; and &#8220;bad data&#8221;.</P
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></LI
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><LI
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><P
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>
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                <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Property</I
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></SPAN
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></P
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><P
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>This contains a description of the configuration
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                item&#8217;s property that caused the conflict.</P
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><P
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>Within the conflicts window you can right-click on
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                any item to display a context menu which allows you to
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                choose from one of the following options:</P
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></LI
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></UL
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><P
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>To locate the item involved in the
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conflict, double-click in the first or third column, or
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right-click over the item and choose <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Locate</I
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></SPAN
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>
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from the popup menu.</P
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><P
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>You can use the <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Tools-&gt;Resolve Conflicts</I
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></SPAN
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> menu
450 
item, or right-click over the item and select <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Resolve</I
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></SPAN
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> from the popup menu,
457 
to resolve conflicts &#8212; <A
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HREF="config-tool-using-templates.html#RESOLVING-CONFLICTS"
459 
>the Section called <I
460 
>Resolving conflicts</I
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> in Chapter 19</A
462 
>.</P
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><DIV
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CLASS="SECT3"
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><H3
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CLASS="SECT3"
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><A
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NAME="AEN1343">Output Window</H3
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><P
470 
>This window displays any output generated by
471 
              execution of external tools and any error messages that
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              are not suitable for display in other forms (for
473 
              example, as message boxes).</P
474 
><P
475 
>Within the output window you can right-click to display a
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context menu which allows you to:</P
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><P
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></P
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><UL
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><LI
481 
><P
482 
>Save the contents of the window to a
483 
                  file</P
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></LI
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><LI
486 
><P
487 
>Clear the contents of the
488 
                  window</P
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></LI
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></UL
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></DIV
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><DIV
493 
CLASS="SECT3"
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><H3
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CLASS="SECT3"
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><A
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NAME="AEN1352">Properties Window</H3
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><P
499 
>This window displays the CDL properties of the item
500 
              currently selected in the configuration window. The same
501 
              information may be displayed by right-clicking the item
502 
              and selecting &#8220;properties&#8221;.</P
503 
><P
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>             <P
505 
><IMG
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SRC="pix/propwin.png"></P
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></P
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><P
509 
>Two properties may be double-clicked as
510 
            follows:</P
511 
><P
512 
></P
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><UL
514 
><LI
515 
><P
516 
><SPAN
517 
CLASS="emphasis"
518 
><I
519 
CLASS="EMPHASIS"
520 
>URL</I
521 
></SPAN
522 
> &#8211;
523 
                  double-clicking on a URL property causes the
524 
                  referenced HTML page to be displayed. This has the
525 
                  same effect as right-clicking on the item and
526 
                  choosing &#8220;Visit
527 
                  Documentation&#8221;.</P
528 
></LI
529 
><LI
530 
><P
531 
><SPAN
532 
CLASS="emphasis"
533 
><I
534 
CLASS="EMPHASIS"
535 
>File</I
536 
></SPAN
537 
> &#8211;
538 
                  double-clicking on a File property in a saved
539 
                  configuration causes the File to be displayed. The
540 
                  viewer used for this purpose may be changed using
541 
                  the <SPAN
542 
CLASS="emphasis"
543 
><I
544 
CLASS="EMPHASIS"
545 
>View-&gt;Settings</I
546 
></SPAN
547 
> menu
548 
                  item. Note that this operation is only possible when
549 
                  the current configuration is saved, in order to
550 
                  avoid the possibility of changing the source
551 
                  repository.</P
552 
></LI
553 
></UL
554 
></DIV
555 
><DIV
556 
CLASS="SECT3"
557 
><H3
558 
CLASS="SECT3"
559 
><A
560 
NAME="AEN1366">Short Description Window</H3
561 
><P
562 
>This window displays a short description of the item
563 
              currently selected in the configuration window. More
564 
              extensive documentation may be available by
565 
              right-clicking on the item and choosing &#8220;Visit
566 
              Documentation&#8221;.</P
567 
></DIV
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></DIV
569 
></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="config-tool-settings.html"
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ACCESSKEY="P"
589 
>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
596 
HREF="ecos-user-guide.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
602 
ALIGN="right"
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VALIGN="top"
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><A
605 
HREF="config-tool-updating-configuration.html"
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ACCESSKEY="N"
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>Next</A
608 
></TD
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></TR
610 
><TR
611 
><TD
612 
WIDTH="33%"
613 
ALIGN="left"
614 
VALIGN="top"
615 
>Settings</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
619 
VALIGN="top"
620 
><A
621 
HREF="the-ecos-configuration-tool.html"
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ACCESSKEY="U"
623 
>Up</A
624 
></TD
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><TD
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WIDTH="33%"
627 
ALIGN="right"
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VALIGN="top"
629 
>Updating the Configuration</TD
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></TR
631 
></TABLE
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