Nikon D6 Reference Manual page 547

D
[Easy Connect]
•
To connect without entering an SSID or
encryption key, press X in Step 3. Next,
press J and choose from the following
options:
Option
[Push-button
WPS]
[PIN-entry
WPS]
•
After connecting, proceed to Step 6.
For routers that support push-button WPS. Press
the WPS button on the router and then press the
camera J button to connect.
The camera will display a PIN. To connect, use a
computer to enter the PIN on the router. For more
information, see the documentation provided with
the router.
Description
Connecting to Computers via Wi-Fi
495