Nissin i40 Instruction Manual page 7

Mounting i40 on the camera
1.
Slide the mounting foot of i40 into the
hotshoe of the camera.
2.
Make sure that the mounting foot will lock
(with a "click") when it has been inserted
completely.
Removing i40 from the camera
Press the unlock button and slide the mounting
foot of i40 off the hotshoe of the camera.
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