RS HARDWARE SETUP PROCEDURESystem Manual RS Series Page 31 / 76Adjusting rigging point for horizontalityBefore connecting a second cabinet, bumper angle has to be adjusted for perfect horizontality.This requires that the rigging point is adjusted in the two horizontal directions so that the bumper remains horizontal within +/-1°. Adding cabinets will reduce this tolerance.• Adjusting 0° along the cabinet depthAdjusting horizontality along cabinet depth is done by properly selecting bumper hole:Case DescriptionTop center bumper rigging point centered geometrically (0mm):- RS15 equipped with wheels clusters (gravity center of a single RS15 withwheels precisely matches geometrical center)- Alternated RS15 clusters (speakers alternately turned to the left and to the right,gravity center of a single RS15 is precisely 17mm ahead of geometrical center).Top center bumper rigging point 17mm ahead of geometrical center:- RS15 without wheels clusters (all speakers facing same direction, gravity centerof a single RS15 is precisely 17mm ahead of geometrical center).Other available rigging point positions:Cable weight influence over gravity center position cannot be precisely anticipated.Additional rigging point configurations are available so that the RS15 bumper is always sethorizontally.These rigging point positions are:- 34mm behind geometrical center;- 17mm behind geometrical center (requires flipping the bumper horizontally);- 34mm ahead geometrical center (requires flipping the bumper horizontally).