Canon w-e1 Instruction Manual page 55

Terminating the Connection
To terminate the connection, perform the following operations.
While connected, a picture cannot be taken even if the camera's shutter

button is pressed.
While connected, movie shooting is not possible.

In remote shooting, the AF speed may become slower.

Depending on the transmission range and connection status, image

display may be delayed, images may not be displayed smoothly, or
shutter release timing may be delayed.
The connection will also be terminated if you operate the Live View

shooting/Movie shooting switch, turn the Mode Dial, or open the card slot
cover or battery compartment cover.
When saving RAW images to a smartphone, they are saved as JPEG

images.
While connected, the camera's auto power off does not function.

While connected, disabling the smartphone's power saving function is

recommended.
Operating the Camera Using a Smartphone
On the smartphone's Camera

Connect screen, tap [t].
Set the camera's power to <2>.

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