Logitec 780 manual

Nino Dagostino
 

Good morning:

 

Is there any way to download the Logitec keyboard manual.

 

When I try to download the manual and I do a applications key and arrow down to save tartet as it wont let me download the pdf file.

 

I have another question, What is the dongle for?

 

Any help would be appreciated.

 

Thank you.

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