Korg Poly800/EX800 Users

Hi there!

i ve a small problem. I dont know which program I should ude to 
transfer SYSEX from and to my EX-800. Main problem is the poor 
description of the free programs existing. Maily I d like to save the 
patches I made. If needed the whole dump. Then I d like to transfer the 
Factory settings back on the EX-800, after checking the factory presets 
I d like to transfer the few patches I made on the Banks I dont need.

What program do U use to transfer sysex and what must I do to save my 
presets and send the factory settings? Rest later when I ve checked the 
factory settings.

THX a lot!