Introduction®DriveRack™ User ManualivDriveRack ™480R DriveRack™ features:• Dedicated remote interface to control all 480, 481, 482 and 442 DriveRack™ units• 31 Motorized faders for equalization control• 32 assignable hot-keys with up to 64 different assignment capabilities• Built-in Real Time Audio Analyzer (with rear-panel XLR connector)• System Mute button• Proprietary RS-485 Control Network• RS-232 PC Interface for computer display and configuration• 480P Power Supply Included• Responds to MIDI commands from mixing consoles including: Soundcraft™ SM20and Series 5 and the Allen & Heath™ ML 4000 and ML5000By including every form of processing necessary to drive the signal from the mixer to the poweramp, the DriveRack™ allows you to eliminate all other processing devices that are normallyfound in large and cumbersome traditional DriveRack systems of the past.The 480 DriveRack™ Loud Speaker Management System includes four balanced XLR inputs, aswell as eight balanced XLR outputs, which can be routed for any configuration. The 481 and482 DriveRack™ feature the identical processing power of the 480 DriveRack, but utilize stream-line front panel interfaces. In addition, the 481 utilizes euroblock connectors as opposed to theXLR connectors found in the 480 and 482 DriveRack.The 480, 481 and 482 DriveRacks™ include features such as: pre-crossover EQ, dual RTAs, notchfilters, speaker delays, multiple crossovers and compression/limiting, as well as numerous otherfeatures. Dual RTA analyzers can be run simultaneously with RTA source inputs capable ofbeing remotely switched on the fly. The 480 DriveRack™ is fully programmable from the frontpanel, and can control other devices in a network including the 481 and 482 slave units. Inaddition, the entire system can be controlled via the 480R DriveRack™ remote controller orthrough the included GUI interface.The 442 DriveRack Equalization Management system is the perfect tool for monitor mixingapplications. The 442 offers four balanced XLR inputs and four XLR outputs, with four inde-pendent channels of effect processing. Each channel offers a 31-band graphic or parametricequalizers, as well as digital delay and industry-standard, dbx dynamics processing.If you require technical support, contact dbx Customer Service. Be prepared to accuratelydescribe the problem. Know the serial number of your unit - this is printed on a sticker attachedto the rear panel. If you have not already taken the time to fill out your warranty registrationcard and send it in, please do so now.1.2 Service Contact Info