Nissin Air 1 Instruction Manual page 8

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