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3. Attach an arm stand to the 630L securely.
WARNING
Install the unit securely when attaching to an arm stand.
When attaching an arm stand, please refer to the user’s manual of the arm stand and install the unit securely with the enclosed screws. Not doing so may cause the unit to come unattached, which may result in injury or equipment damage. When the unit is dropped, please ask your dealer for advice. Do not continue using a damaged unit. Using a damaged unit may result in fire or electric shock.
When reattaching the stand, please use the same screws (M4 x 16 mm) and tighten them securely.
Arm
(1) 
(2)
(3)
(4)
(1), (2), (3), (4): Enclosed Screws, M4 x 12 mm
11. REFERENCE 113