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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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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"
452 
><I
453 
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
461 
> 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
472 
              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
476 
context menu which allows you to:</P
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><P
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></P
479 
><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"
494 
><H3
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CLASS="SECT3"
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><A
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NAME="AEN1352">Properties Window</H3
498 
><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
568 
></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%"
584 
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"
603 
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
609 
></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"
628 
VALIGN="top"
629 
>Updating the Configuration</TD
630 
></TR
631 
></TABLE
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