1. Levels of UNDO or How to Speed Up your TRIFLEX ® runs. TRIFLEX® WINDOWS PipingSolutions, Inc. 21 June 2004 1

2. First press START, then SEARCH for Files or Folders. TRIFLEX® WINDOWS PipingSolutions, Inc. 21 June 2004 2 1.START 2. Search 3. For Files or Folders

3. Search for TRIFLEXWindows.INI TRIFLEX® WINDOWS PipingSolutions, Inc. 21 June 2004 3 Type in “ TRIFLEXWindows.INI ”

4. TRIFLEX® WINDOWS PipingSolutions, Inc. 21 June 2004 4 Select the one which is your Operating System. If there is more than one file of “ TRIFLEXWindows.INI ” then use the one which is your Operating System.

5. TRIFLEX® WINDOWS PipingSolutions, Inc. 21 June 2004 5 Double-Click and Open that file.

6. TRIFLEX® WINDOWS PipingSolutions, Inc. 21 June 2004 6 Search for the line which says “Number_of_Undo_Buffers=32” and change that number from 32 to 10. Find the line which has “ Number_of_Undo_Buffers=32 ”

7. TRIFLEX® WINDOWS PipingSolutions, Inc. 21 June 2004 7 Make sure you save the change in this file. Save

8. TRIFLEX® WINDOWS PipingSolutions, Inc. 21 June 2004 8 Then Close all files and go into TRIFLEX ® as you normally do. By doing this change you have told the program to only save 10 levels of Undo and NOT 32 levels of Undo. This will speed up the running of the program.