d&b audiotechnik Q-Series Rigging Manual

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d&b audiotechnik Q-Series Rigging Manual Manual pdf 14 page image

5. Aiming and securing of the array5.1. Horizontal aiming and securing of the array[R2][R4][CR]Fig. 31: Rigging sockets for horizontalaiming and securing against rotation andswingAfter the array has been lifted to its operating height the horizontal aiminghas to be set and the array should be secured against rotation and swing.It is recommended to use the following rigging sockets on the lowestcabinet:Sockets [R2] or [CR] with Z5048 Flying pins 10 mm.M10 threaded inserts [R4] with Q9032 M10 Safety eyebolts.WARNING! If the system is used in an open air environment theinfluence of wind has to be taken into account. Theprotection against rotation and swing has to withstandhigher forces. Do not secure the array with the centresocket [CR] (Fig. 31) at the back of the cabinet. This socket islimited to a load of 50 kg (110 lb).Read the following section 6. Wind loads.5.2. Modifying the vertical aiming of the arrayIf an application requires the array to have a vertical angle which is notpossible by a single suspension within the hole grid of the Q Flying frameadditional wires or hoists may be needed to achieve this.With arrays of up to three cabinets the standard rigging sockets on thecabinets may be used (Fig. 31).Fig. 32: Applying asecond Q Flying frameto increase the verticalangle of the arrayWARNING! To angle an array of more than three Q-Series cabinets anadditional Z5159 Q Flying frame has to be attached to thelowest cabinet of the column. All additional wires or hoistshave to be connected to the Q Flying frame and not to thecabinets rigging sockets (Fig. 31).Always pull the additional wires or hoists backwards andupwards (Fig. 32).Using additional wires or hoists will change the loadconditions within the array and its rigging components. Theload calculation of ArrayCalc will not apply any more.Therefore increasing the vertical angle of an array is onlypossible with columns up to a total system weight of 240 kg(527 lb).Q-Series Rigging manual (1.2EN) Page 14 of 20