Canon ICAM62B Advanced User's Manual page 409

If the Wi-Fi connection is terminated while recording a movie with remote
z
shooting, the following will occur.
y Any movie recording in progress in movie recording mode will continue.
y Any movie recording in progress in still photo shooting mode will end.
With a Wi-Fi connection to a smartphone established, certain functions are
z
unavailable.
In remote shooting, the AF speed may become slower.
z
Depending on the communication status, image display or shutter release
z
timing may be delayed.
When saving images to a smartphone, you cannot take a picture even if you
z
press the camera's shutter button. Also, the camera screen may turn off.
With a Wi-Fi connection established, disabling the smartphone's power saving
z
function is recommended.
Connecting to a Smartphone
409