Lilin IPR424/428ESX Guía De Instalación Rápida página 6

4. Use the provided 1/4"-20UNC screws (4 silver ones) to fix the
camera body on the bracket with hexagon screw driver (FIG.6).
5. Loose the pan and tilt adjustment screws on the bracket to turn
the camera body to the desired angle and then tighten the
screws (FIG.7).
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