Try this, the manual was still on the Furuno site. If the link will not work
use the search function to search for "1720". Goes right to the operators
manual.

http://www.furuno.com/Furuno/Doc/0/1...%206.20.91.pdf



"BD64" wrote in message
...

I am searching also the user manual for Furano 1720 manual but it seems
that the link below don't exist also..
Could you help me please