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


DI-784_ce_en_050101.pdf			CE-Declaration.

DI-784_qig_cz_040611.pdf		Czech Quick-Install-Guide for DI-774.

DI-784_qig_hu_040616.pdf		Hungarian Quick-Install-Guide for DI-774.

DI-784_qig_pl_040611.pdf		Polish Quick-Install-Guide for DI-774.