Ubiquiti NanoBeam M2 Quick Start Manual page 6

All manuals and user guides at all-guides.com
3. Wrap the Metal Strap around the pole. Use a 7 mm socket
wrench to turn the screw clockwise and securely fasten the
clamp to the pole.
4. Attach the NanoBeam to the Ball Joint Mount and turn the
Lock Ring to secure it. Keep the Lock Ring loose enough to
allow the NanoBeam to pivot for aiming.