Canon BU-10 User Manual page 6

* Remove the cover by pressing it with your fingers.
Important Be sure to keep the removed Bluetooth connector cover in a
4
Insert the Bluetooth unit to the Bluetooth unit connector.
* Insert the device until its face plate aligns with this point.
5
Insert the lock cover to the right of the Bluetooth unit.
6
safe place. The Bluetooth connector cover needs to be
attached again to prevent dust on the Bluetooth unit
connector when the Bluetooth unit is removed.