VacTran

  • About VacTran
    • Overview
    • What does VacTran do?
    • Models
    • Sample Graphs
    • Studies
    • Calculations
    • Export Information
  • Menus
  • Tools
    • Simple system study
    • Volume-area calculator
    • Pump Digitizer
    • Calculator
    • Graph Gallery
    • Graph controls
    • Import pump data from Excel
    • Help
  • Purchase
  • Downloads
    • Latest version
    • Help Manual
    • VT-3U Hardware key driver
  • Contact
  • About PEC

VacTran Manual and help file downloads

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450 page printable manual (PDF format).
vactran_3_manual.pdf
File Size: 27449 kb
File Type: pdf
Download File

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Context-sensitive help for use with VacTran (chm format).
vactran3.chm
File Size: 15697 kb
File Type: chm
Download File

Trouble with help?

If you are seeing the message shown on the right when using VacTran3.chm, this is usually an issue with the file being blocked by the operating system or antivirus software.  CHM is a standard help file format published by Microsoft, but it apparently can be a vehicle for software mischief but those with ill intentions.

If you navigate to the Windows folder on your system that contains VacTran.chm, right click on the file name and then select "Properties".  When the properties window opens up, click on the Security tab.  Verify that the permissions for Users are "allowed" for reading and executing. 

Several articles on the web describe the chm blocking problem.  The most common suggestion:  right click on the chm file, select “Properties” and see a button called “unblock”, click that button and try opening the file again.   Reading this file from a network drive may cause this problem.

If the file permissions are ok, you may have to open up your antivirus program and manually set VacTran.chm to trusted status.  For example, if you have Norton Antivirus, go to the Firewall settings, Program Rules, find VacTran.chm, and change the access setting to "allow".
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