Naming conventions:
Product_type_h/wRevision_s/wRevision_ValidArea_language_datecode.extension
Product_Howto_language_ Theme-with-description.extension 



DFE-538tx-qig_en_MacOS8-9.pdf		Quick-Install-Guide for DFE-538TX (MacOS 8 & 9).

DFE-538tx-qig_en_Windows.pdf		Quick-Install-Guide for DFE-538TX (Windows).