Nexo RS Series System Manual
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Contents
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RAY SUB IMPLEMENTATIONSystem Manual RS Series Page 49 / 767.4 Steered RS18s arrays7.4.1 Steering techniqueRS18s arrays must be flown vertically with bumper set horizontally and all cabinets at 0°.Coverage adjustments can be efficiently implemented through the “steering” technique, which consists in implementingdelays in cabinets to tilt coverage up or down.IMPORTANT“Steering” techniques should not be applied to clusters of less than 3 RS18Coverage control through steering technique increases with cluster height.Steering can be applied by unit, group of 2 or group of 3 in Omni Mode as well as in Directional Mode.GROUP OF 2 RS18S STEERING GROUP OF 3 RS18S STEERING“Steering” delays values for the pairs can easily be computed according to following formula: = h*sin()/C (metric) is the value to be applied to the second pairh is the height of tilted elements (1.04m for 2 RS18s, 1.56m for 3 RS18s)C is the speed of sound (343m/s)7.4.2 Delay values implementationIf the coverage is to be tilted down, then top group delay should be set at 0ms and delay should progressively increase onlower groups.If the coverage is to be tilted up, then lower group delay should be set at 0ms and delay should progressively increase onupper pairs.Delay value for first group is always 0ms.Delay value for second group is Delay values for subsequent groups are 2, 3 etc… |
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