XEPD Installation Instruction
============================================================================

1) Unix Installation
--------------------

This document describes how to install the XEPD IDL package on a PC
operation system.

Installing the XEPD Package
---------------------------
Donwload the XEPD_xx_xx.tar.gz from the Web size, and use WinZip to unzip it
to C:\xepd

After the Installation-Seting IDL_PATH environment variable
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Starts your IDL session, and under File menu, select the 'preferences...'.
A dialog will pop up. Then select the Path preference. Add your personal idl
directory, and C:\xepd\idl to the path such that the IDL always searches your 
IDL area first, and then C:\xepd\idl. The IDL library and examples should
appear last.

Setting the XEPD environment variable
-------------------------------------
1. Type IDL to enter into IDL

2. At the IDL prompt, type xepd
     idl> xepd

3. Under the Option menu, select the View/Edit Environment Variable
   a. Set your recordmode data directory. For example, D:\data\
   b. Set your Real-Time data directory. For example, D:\data\
   c. Set you XEPD top directory. For example, C:\xepd\
   d. Click the Ok button.
   
4. Under the file menu, chose 'save setting to default ctl file'. This will
   save the directory settings to xepd.ctl in the first directory in your
   IDL_PATH.
   
Running the applications-the first time
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1. At the IDL prompt, type xepd
     idl> xepd

Customizing the user environment-font
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1. Copy xepd_font.pro from xepd/idl directory to your idl directory, and
   edit the file to select the font.