Vello BG-N10 User Manual page 7

4.
To prevent loss, place the
camera contact cover in
the contact cover holder
on the BG-N10.
5.
Connect the BG-N10
grip to the camera
while aligning the grip's
mounting screw with the
camera's tripod socket.
It is not necessary to remove the
battery from the camera before
mounting the grip.
7
6.
Rotate the attachment
wheel in the direction
shown by the LOCK arrow
until it is firmly tightened.