Canon EOS 80D - Manual (Page 265)

W-17
NFC Function
When establishing wireless communications using the NFC function,
see the following pages.
Connecting to a smartphone wirelessly: page W-21*
Sending images to a smartphone: page W-33*
Connecting to Connect Station: page W-48
* When connecting to a smartphone, see pages W-18 and W-20 as well.
NFC Function Cautions
 This camera cannot be connected to other NFC-enabled cameras or
printers using the NFC function.
 A connection cannot be established using the NFC function while
shooting with the camera, when there is no card, when the LCD monitor
is closed with the screen facing inward, or while the camera is connected
to another device with an interface cable.
 To connect the camera to a smartphone using the NFC function, the
smartphone’s Wi-Fi and NFC functions must be enabled.
A connection can be established even when the camera’s power is in the
auto power off state. However, if a connection cannot be established, cancel
auto power off, then establish a connection.