Canon EOS 80D - Manual (Page 271)

W-23
Connecting Automatically with the NFC Function
 If necessary, also read “NFC Function Cautions” (p.W-17).
 When touching the smartphone to the camera, be careful not to drop the
camera or smartphone.
 Do not touch the smartphone to the camera with too much force. Doing
so can scratch the camera or smartphone.
 Just holding the smartphone close to the mark may not establish a
connection. Be sure to touch the mark with the smartphone so that they
come into contact with each other.
 Recognition may be difficult depending on the smartphone. Touch slowly
while changing the position or rotating horizontally.
 Another application on the smartphone may start depending on how you
touch. Check the position of the p mark, then touch again.
 When touching the smartphone to the camera, do not leave anything
between the camera and smartphone. In addition, when a case is
attached to the camera or smartphone, communication may not be
possible via NFC function.
 The camera cannot be connected to two or more smartphones at the
same time.
 By default, the connection settings via the NFC function are saved as the
fourth setting (a setting dedicated to NFC connection) under the name
[SET4(NFC)]. When you connect the camera to another smartphone via
NFC, [SET4(NFC)] will be overwritten.
 While connected, the camera’s auto power off does not function.