User manual AKG SPC 4

[. . . ] The equipment may be opened, serviced, and repaired by authorized personnel only. Before connecting the equipment to power, check that the primary voltage stated on your power supply is identical to the AC mains voltage available where you will use the equipment. Operate the equipment with a DC power supply with an output voltage of 12 VDC/1. 4 A or the PSU 4000 central power supply from AKG. [. . . ] Red: The unit has overheated or is connected to an antenna not approved by AKG. Switch power to the unit off to avoid damage to the unit. You may also connect this output to a transmitter input on another SPC 4. Make all antenna cable connections before connecting the unit to power. Do not connect to the SPC 4 to any antenna other than the SRA 2 W or RA 4000 W from AKG. Using other antenna types may cause malfunctioning of the SPC 4. Position the unit such that the front panel ventilation grill cannot be covered. Obstructing the air intake may cause the unit to overheat. Unscrew the four rubber feet (1) from the antenna combiner bottom panel. Unscrew the two fixing screws (2) from each side panel. Use the fixing screws (2) to screw the short bracket (3) to one side panel and the long bracket (4) to the other side panel. Unscrew the four rubber feet (1) from each antenna combiner's bottom panel and remove the screws (5) from the rubber feet (1). Unscrew the two fixing screws (2) from the right-hand side panel of one antenna combiner and from the left-hand side panel of the other antenna combiner. Remove the plastic covers (3) from the side panels with the fixing screws (2) still on. Insert one connecting strip (4) into each free slot in the side panel of the first antenna combiner, making sure to align the hole in each connecting strip (4) with the appropriate threaded hole in the antenna combiner bottom panel. Fix the two connecting strips (4) on the first antenna combiner using two of the screws (5) you removed from the rubber feet. To join the two antenna combiners, slide the connecting strips (4) on the first antenna combiner through the free slots in the side panel of the second antenna combiner. Make sure to align the hole in each connecting strip (4) with the appropriate threaded hole in the bottom panel of the second antenna combiner. Fix the two connecting strips (4) on the second antenna combiner using two of the screws (5) you removed from the rubber feet. Screw a short bracket (6) to the outer side panel of each antenna combiner using for each bracket two of the screws (2) you removed from the antenna combiner side panels. The following hints on placing the antenna apply to any multichannel system, no matter how many channels it may use. Reflections off metal parts, walls, ceilings, etc. [. . . ] Make sure that the ventilation grill is not obstructed. Switch power to the antenna combiner OFF and make sure that the ventilation grill is not obstructed and the power supply is connected correctly. The antenna combiner is Connect the antenna not connected to a power combiner to your power supply. To clean the receiver surfaces, use a soft cloth moistened (not soaked! [. . . ]