Here is a link for the manual. http://www.furunousa.com/ProductDocuments/GP1650%20GP1650D%20Operator's%20Manual%20N3.pdf
If the link doesn't work go to furunousa.com and enter unit model number in search bar. Select the unit then select the manuals and documents tab. Operation manual is there and can be viewed and/or downloaded in pdf format.
Answers & Comments
Here is a link for the manual.
http://www.furunousa.com/ProductDocuments/GP1650%20GP1650D%20Operator's%20Manual%20N3.pdf
If the link doesn't work go to furunousa.com and enter unit model number in search bar. Select the unit then select the manuals and documents tab. Operation manual is there and can be viewed and/or downloaded in pdf format.