Nikon D6 Reference Manual page 645

A
Connection Status
Connection status is shown by the camera
network indicator.
Network indicator
I (off)
K (green)
H (flashes green)
H (flashes amber)
A
The Viewfinder Display
Connection status is also shown in the
camera viewfinder. T is displayed when
the camera is connected via Ethernet, U
when it is connected to a wireless network.
The icon will flash if an error occurs.
•
[Disable] selected for [Wired LAN/WT] >
[Wired LAN/WT functions] in the setup
menu.
•
Ethernet cable not connected.
Waiting to connect.
Connected.
Error.
Upload to Computers and FTP Servers
Status
593