Nikon D6 Reference Manual page 592

7
Choose the server type.
Highlight [FTP] or [SFTP] (secure ftp)
and press J .
8
Enter the IP address.
•
Press the center of the multi
selector and enter the server URL or
IP address.
•
Press J when entry is complete.
•
Press J again to connect to the ftp
server. You will be prompted to
choose a login method.
540
Creating a Network Profile (Ethernet)