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User Manual Complete Equalization & Loudspeaker Management System 480 481 482 480R ® ®.
W ARNING FOR YOUR PROTECTION PLEASE READ THE FOLLOWING: KEEP THESE INSTRUCTIONS HEED ALL WARNINGS FOLLOW ALL INSTRUCTIONS CLEAN ONL Y WITH A DAMP CLOTH. DO NOT BLOCK ANY OF THE VENTILA TION OPENINGS. INST ALL IN ACCORDANCE WITH THE MANUF ACTURERS INSTRUC - TIONS.
U.K. MAINS PLUG W ARNING A molded mains plug that has been cut off from the cord is unsafe. Discard the mains plug at a suitable disposal facility . NEVER UNDER ANY CIRCUMST ANCES SHOULD YOU INSERT A DAMAGED OR CUT MAINS PLUG INTO A 13 AMP POWER SOCK- ET .
T able of Contents DriveRack ™ Intr oduction 1.1 Defining the DriveRack™ System ...................ii 1.2 Service Contact Info ........................................iv 1.3 W arranty ...........................................................iv Section 1 - Getting Star ted 1.
T able of Contents DriveRack ™ Section 8 - 480 Remote Contr oller 8.1 Rear Panel Connections .................................74 8.2 Front Panel Connections ................................75 8.3 Rear Panel Connections (480P) .....................76 8.
INTRO CUSTOMER SER VICE INFO Defining the DriveRack W ARRANTY INFO ® INTRODUCTION DriveRack ™.
Intr oduction ® DriveRack™ User Man ual ii DriveRack ™ Congratulations on your purchase of the dbx DriveRack™ Complete Equalization and Loudspeaker Management System! For over 25 years, dbx has been the industry leader in dynamics processing.
® Intr oduction DriveRack ™ DriveRack™ User Man ual • T ime Alignment and T ransducer Alignment Delays • Compressor/Limiter on every output • Speaker Compensation EQ (post crossover) • Mu.
Intr oduction ® DriveRack™ User Man ual iv DriveRack ™ By including every form of processing necessary to drive the signal from the mixer to the power amp, the DriveRack™ allows you to eliminate all other processing devices that are normally found in large and cumbersome traditional DriveRack systems of the past.
® 2. dbx warrants this product, when bought and used solely within the U.S., to be free from defects in materials and workmanship under normal use and service.
® Getting Started Section 1 DriveRack ™.
Getting Star ted ® DriveRack™ User Man ual 2 Section 1 DriveRack ™ IEC P o wer Cor d Receptacle The 480 comes with an International power supply that will accept voltages ranging from 100V- 240V at frequencies from 50Hz-60Hz. An IEC cord is included.
® Inputs 1-4 The input section of the 480 DriveRack™ offers four electronically balanced XLR connectors. Inputs 3 and 4 offer Line/R T A switches that allow you to run a real time audio analyzer micro- phone directly into the input of the 480 DriveRack™.
Getting Star ted ® DriveRack™ User Man ual 4 Section 1 DriveRack ™ user with different modes of functionality including: coarse/fine encoding (successive presses will toggle the knob between a fa.
® Getting Star ted Section 1 DriveRack ™ 5 This input network connection is used to receive information being sent from other units in the DriveRack™ network link. RS485 Contr ol Thru Bus (RJ-45 connector type) This Thru network connection is used to pass information to other units in the DriveRack™ net- work link.
Getting Star ted ® 6 Section 1 DriveRack ™ This LED (when lit), indicates that the 481 is connected to the control bus. When it is flashing, the 481 is sending/receiving network information. Remote LED This LED (when lit), indicates that the 481 is connected to the 480R.
® RS485 Contr ol Thru Bus (DB-9 connector type) This Thru network connection is used to pass information to other units in the DriveRack™ net- work link. RS485 Contr ol Bus Input (RJ-45 connector type) This input network connection is used to receive information being sent from other units in the DriveRack™ network link.
Getting Star ted ® DriveRack™ User Man ual 8 Section 1 DriveRack ™ PC Connection This DB-9 type connection is used to send and receive information to and from the GUI interface. Pr ogram Up and Do wn These program up and down buttons are used to scroll through the pro- gram menu of the 482.
EDITING FUNCTIONS ® Editing Functions Section 2 DriveRack ™.
Editing Functions ® 10 Section 2 DriveRack ™ The 480 DriveRack™ has been carefully designed and engineered to ensure that all aspects of operation are intuitive and logical. Simply stated, the 480 DriveRack™ operating system was designed with user’s best interest in mind.
® PREVIOUS P A GE - Moves to the previous page in the currently selected effect menu. NEXT P A GE - Moves to the next page in the currently selected effect menu. EQ - Selects the EQ ef fect menu. Successive presses will rotate through the various EQ modules.
Editing Functions ® 12 Section 2 DriveRack ™ The parameter knob encoders of the 480 and 480R DriveRack™ Remote provide the user with the option of coarse or fine performance modes. This means that the parameter knobs can be set to either move or change values at a rapid (coarse) or slower (fine) rate.
® 2.5 Na vigating the EQ Sections Editing Functions Section 2 DriveRack ™ 13 DriveRack™ User Man ual.
Editing Functions ® 14 Section 2 DriveRack ™ 2.6 Na vigating the XO VER DriveRack™ User Man ual.
® 2.7 Na vigating the R T A Editing Functions Section 2 DriveRack ™ 15 DriveRack™ User Man ual.
Editing Functions ® 16 Section 2 DriveRack ™ 2.8 Na vigating the Dela y DriveRack™ User Man ual.
® 2.9 Na vigating the Dynamics Section Editing Functions Section 2 DriveRack ™ 17 DriveRack™ User Man ual.
Editing Functions ® 18 Section 2 DriveRack ™ 2.10 Na vigating the Other Section DriveRack™ User Man ual.
® 2.11 Na vigating the Utility Section Editing Functions Section 2 DriveRack ™ 19 DriveRack™ User Man ual.
CONFIGURA TION FUNCTIONS ® SOFTW ARE Section 3 DriveRack ™.
Configuring the Driv eRack™ ® 22 Section 3 DriveRack ™ DriveRack™ User Man ual The Configuring section of the 480, 481 and 482 DriveRack™ units will be your key to suc- cessful navigation of the configuration functions of the DriveRack™.
® Configuring the Driv eRack™ Section 3 DriveRack ™ 23 DriveRack™ User Man ual Na vigation Modes Once you have selected a program that utilizes a configuration that accommodates your appli- cation, the DriveRack™ offers different modes of navigation to access and edit ef fect types with- in the selected configuration.
Configuring the Driv eRack™ ® 24 Section 3 DriveRack ™ DriveRack™ User Man ual Once you have reached the module that you wish to edit, simply use the PREV PG and NEXT PG buttons to move through the pages within the module. The P ARA- METER knobs are used to edit parameter values.
® Configuring the Driv eRack™ Section 3 DriveRack ™ 25 DriveRack™ User Man ual • Once you are satisfied with the selected name press, the ST ORE button again and the screen will appear someth.
Configuring the Driv eRack™ ® 26 Section 3 DriveRack ™ User Configuration creation is an ideal feature available in the DriveRack™ line. Even with the versatility of the Factory configurations within the DriveRack™, there may be an application that requires a a unique “custom” program.
® Configuring the Driv eRack™ Section 3 DriveRack ™ 27 Input in a manner that will accommodate your application. The inputs of the DriveRack™ units can also mix audio from any or all of the analog inputs. Options for selecting and numbering Inputs include: Input names 1-4 and M .
Configuring the Driv eRack™ ® 28 Section 3 DriveRack ™ 3.5- H Driver Alignment Dela y The second Delay section of the DriveRack™ units is used to fine tune delay times within an enclosed speaker or an array of speakers. Enter the Configuration creation section of the DriveRack™ by pressing and holding the PROGRAM/CONFIG button.
® Configuring the Driv eRack™ Section 3 DriveRack ™ 29 the display will appear something like this: Note: Linking modules past the crossover section will be dictated by the selected crossover type. For example, if a two-way crossover is used, you will be limited to linking the effect modules past the crossover to highs and lows.
Configuring the Driv eRack™ ® 30 Section 3 DriveRack ™ • Now use the P ARAMETER 3 knob to move the crossover module to the desired posi- tion. • Once the desired position has been selected, use the P ARAMETER 1 knob to select the desired crossover type.
DET AILED P ARAMETERS ® P ARAMETERS Section 4 DriveRack ™.
Detailed P arameters ® 32 Section 4 DriveRack ™ DriveRack™ User Man ual Section 4 The DriveRack™ units (480, 481 and 482) offer complete editing flexibility, by offering in-depth control over every parameter within each effect module.
® Detailed P arameters Section 4 DriveRack ™ 33 DriveRack™ User Man ual This parameter allows you to adjust the level of any one of the 31 bands of the GEQ in .5 dB increments. Boom -6dB to 6dB The Boom parameter allows you add an additional low-end boost or cut to the Graphic EQ.
Detailed P arameters ® 34 Section 4 DriveRack ™ DriveRack™ User Man ual Section 4 Flat Set/Undo This parameter either flattens (set) or restores (undo) all bands to their original settings. Band 1 Fr equency 20 to 20kHz (Lo w Shelf) Selects the frequency of the low pass shelf parametric EQ.
® Detailed P arameters Section 4 DriveRack ™ 35 DriveRack™ User Man ual Scale 62dB or 24db The scale parameter is used to select the resolution and range of the display. A setting of 62db has a greater range but the 24dB setting displays at a higher resolution.
Detailed P arameters ® 36 Section 4 DriveRack ™ DriveRack™ User Man ual Section 4 Lowpass, Highpass or band pass filter with adjustable frequency and slope. The Dual filter is a case that splits the signal with a filter on each channel. The Crossover options are grouped into 2, 3 or 4 band categories.
® Detailed P arameters Section 4 DriveRack ™ 37 DriveRack™ User Man ual Selects the desired Lowpass crossover frequency. Highpass 2 - 20Hz to 20kHz Selects the desired Highpass crossover frequency. Lo w Slope 2 - 6-24dB/Octa ve Sets the Lowpass slope of the crossover filter .
Detailed P arameters ® 38 Section 4 DriveRack ™ DriveRack™ User Man ual Section 4 High Slope 1 - 6-24dB/Octa ve (BW , Bessel) 12-48dB/Octa ve (L-R) Sets the Highpass slope of the crossover filter . Lo w Fc 2 - 20Hz to 20kHz Selects the desired Lowpass crossover frequency.
® Detailed P arameters Section 4 DriveRack ™ 39 DriveRack™ User Man ual Selects the desired Highpass crossover frequency. T ype 2 - Butterworth (BW), Bessel and Linkwitz-Riley(L-R) Selects the desired crossover filter type. Lo w Slope 2 - 6-24dB/Octa ve (BW , Bessel) 12-48dB/Octav e (L-R) Sets the Lowpass slope of the crossover filter .
Detailed P arameters ® 40 Section 4 DriveRack ™ DriveRack™ User Man ual Section 4 Flat Set/Undo This parameter either flattens the PEQ or restores the PEQ to its original shape. Band (1-4) Fr equency 20 to 20k Selects the frequency of the selected band of the parametric EQ.
® Detailed P arameters Section 4 DriveRack ™ 41 DriveRack™ User Man ual more natural and will be used for most applications. When it is gentle (natural sounding or light) compression that you are looking for , the compressor offers V ariKnee™.
Detailed P arameters ® DriveRack™ User Man ual 42 Section 4 DriveRack ™ The output section 480, 481 and 482 DriveRack™ units provide the user with the ability to con- trol output levels of the unit and adjust phase compensation of loudspeakers within the signal path.
STORING PROGRAM CHANGES ® Storing Programs Section 5 DriveRack ™.
Storing Changes ® 44 Section 5 DriveRack ™ ® DriveRack™ User Man ual Once program editing functions have been made to programs in the 480, 481 or 482 DriveRack™ units, you will need to save any changes that have been made to the selected unit.
® Section 5 45 ® DriveRack™ User Man ual • Use the P ARAMETER 3 knob to select the USER program to be replaced. Once the pro- gram to be replaced has been selected, press the ST ORE button once again and the pro- gram will then be replaced.
Storing Changes ® 46 Section 5 DriveRack ™ ® From Configuration mode, once changes have been made to the current Configuration, changes can be saved by pressing the NEXT PG button and the display will appear like this: • If you are satisfied with your Configuration changes, press the NEXT PG button.
UTILITIES SECTION ® Utilities Section 6 DriveRack ™.
Utilities ® 48 Section 6 DriveRack ™ ® DriveRack™ User Man ual The Utility section of the 480, 481 and 482 DriveRack™ units, contain many important functions.
® Utilities Section 6 DriveRack ™ 49 ® DriveRack™ User Man ual • The P ARAMETER 1 knob is used to select modules and functions which are available for adding security levels to.
Utilities ® 50 Section 6 DriveRack ™ ® DriveRack™ User Man ual • Rotate the P ARAMETER 2 knob to set the cursor position and rotate the P ARAMETER 1 wheel to select characters. T o shift characters, press the P ARAMETER 1 knob. • Once you are satisfied with your security password, simply press ST ORE to exit.
® Utilities Section 6 DriveRack ™ 51 ® DriveRack™ User Man ual • At this point, rotate the P ARAMETER 1 knob and the screen will appear as fol- lows: • Rotate the P ARAMETER 2 knob to set the cursor position and rotate the P ARAMETER 1 wheel to select characters.
Utilities ® 52 Section 6 DriveRack ™ ® • Rotate the P ARAMETER 1 knob to set the length of the Program list size. The program list size can be any number from 1-10. • Rotate the P ARAMETER 2 knob to set the index position of the selected program.
® Utilities Section 6 DriveRack ™ 53 ® DriveRack™ User Man ual Contrast Adjustment Since venues and applications vary, the 480 and 480R DriveRack™ units provide you with the option of changing the contrast of the large custom display.
Utilities ® 54 Section 6 DriveRack ™ ® DriveRack™ User Man ual • At this point, to toggle between MIDI and RS232 modes, press the P ARAMETER 2 knob.
® Utilities Section 6 DriveRack ™ 55 ® DriveRack™ User Man ual • Once the desired program has been selected, press the P ARAMETER 3 knob to exe- cute the program dump. The BULK DUMP option allows a complete system exclusive dump of the entire contents of the 480, 481, or 482’s memory.
Utilities ® 56 Section 6 DriveRack ™ ® DriveRack™ User Man ual • Use the P ARAMETER 3 knob to select the desired microphone input. Mic input options include: Ch3, Ch4 and Ch3 and 4 simultaneously. W arming - R T A will not function proper- ly when using a microphone unless the option has been set appropriately.
NETWORK FUNCTIONS ® Network Functions DriveRack ™.
Netw ork Functions ® 58 SECTION 7 DriveRack ™ DriveRack™ User Man ual The Network Function section of this manual will provide you with detailed information for establishing and maintaining a com.
® Recommended Cable Specifications: Essentially, any product in the DriveRack™ system offers several different options of commu- nicating in a network system. From the factory, all DriveRack™ products ship with a single 1- foot DB-9 network cable.
Netw ork Functions ® 60 SECTION 7 DriveRack ™ Backbone Connections The network system of the DriveRack™ has been configured to allow the units within a multi- ple unit network configuration communicate through a Back bone type connection.
® Connection to the 480R When the 480R Remote Controller is used in a network system, networking connection to the 480R Remote Controller must be accessed through the 480P power supply unit which included with the 480R. The following illustration shows the proper connections for 480R utilization.
Netw ork Functions ® 62 SECTION 7 DriveRack ™ Connection to the GUI Interface: If you elect to utilize the included GUI PC interface, either the 480, 481 or 482 can act as the master unit that interfaces with the PC. Once the master unit has been established, access to all other units within the network system can be controlled via the PC.
® T ermination: In order to run your DriveRack™ system in the most effective and efficient manner , it is rec- ommended that you utilize the included network terminator connectors. These ter minator con- nectors essentially limit the networking information from the beginning to the ending of the Back bone network.
Netw ork Functions ® 64 SECTION 7 DriveRack ™ The key element to establishing a DriveRack™ network system, is distinguishing a Master con- troller unit from the slaves units. Every unit in the DriveRack™ system has the ability to be assigned as a master or slave unit, but only one master must be assigned.
® 480R DriveRack™ • Using the previous procedure for the master unit, you now need to enter the ID number for the master (0) on the keypad of the 480R and then hit enter . • At this point, you will need to access the Utility menu of the master controller .
Netw ork Functions ® 66 SECTION 7 DriveRack ™ • Use the P ARAMETER 2 knob to set the Tar get ID. This simply means that you are asking the 480 DriveRack™ to call up the device ID of any one of the other DriveRack™ units that are in the network system.
® The Redundancy function of the 480, 481, and 482 DriveRack™ units is the very definition of the old saying that you can never be too safe. This unique function of the DriveRack™ units ensure that programming information in the 480, 481 and 482 DriveRack™ units is safe guard- ed in the event of any unfortunate malfunction.
Netw ork Functions ® 68 SECTION 7 DriveRack ™ Since a DriveRack™ network system can be so very detailed with a tremendous amount of infor- mation being transmitted across the network backbone, the following information is provided to aid you in the unfortunate event that you have network communication problems in your DriveRack™ system.
® T o make operation of the DriveRack™ units even more convenient, dbx professional products includes the DriveRack™ PC GUI software with every unit shipped. The GUI interface will allow you to control all aspects of the DriveRack™ units. The GUI interface will also allow you to run your entire DriveRack™ network system from a PC.
Netw ork Functions ® 70 SECTION 7 DriveRack ™ Basic VENUE View • At this point, the DriveRack™ icons represent each unit that is currently setup to operate in the Network. T o edit any unit in the network, select the desired unit with the mouse and double click.
® • T o customize the mode of operation to best suit your needs, it is recommended that at this point, you set your desired preferences in the preference folder , which can be accessed in the file menu and will appear as follows: Note: The Baud rate must be set to 38400.
Netw ork Functions ® 72 SECTION 7 DriveRack ™ Edit View • Notice that you can have as many windows open as required by your application. The intuitive interface of the DriveRack™ GUI allows you to make selections to any parameter of any unit all in real time.
480R Remote Controller ® Section 8 DriveRack ™.
The 480R Remote Controller is the ideal complimentary tool to the 480, 481 and 482 DriveRacks. The 480R can act as the Master unit controller in a DriveRack™ network system. The 480R’s system Network Access keypad and System mute button make communication and editing of other DriveRack™ units a breeze.
LCD Displa y The large LCD display of the 480R DriveRack™ provides the user with all of the vital process- ing information of the DriveRack™ including: signal routing, network device ID, configuration modes, effect block editing and R T A displays.
480R Remote Contr oller ® 76 Section 8 DriveRack ™ P arameter Knobs The parameter knobs of the 480R allow the user to edit parameters of selected effects of the selected DriveRack™.
V oltage Selector Switch The 480P allows you to select either 115V with 500mA 250V SLOW BLOW fuse or 230V with 250mA 250V Type “T” fuse. W ARNING: Fuse must be changed to correspond with the desired power setting. RS485 Link to 480R (DB-9 connector type) This connector is used to connect to the 480R.
480R Remote Contr oller ® 78 Section 8 DriveRack ™ A built-In Real Time Audio Analyzer is included as just one of the many added features of the 480R DriveRack™.
® For information about Pink Noise and “pinking” a room, please see section A.10 of the Appendix. The 480R offers 32 “Hot Key” buttons which allow you to instantly assign any parameter dis- play page to any one of the 32 buttons for instant access.
480R Remote Contr oller ® 80 Section 8 DriveRack ™ • Repeat the previous procedure when you wish to call up another device in the system. DriveRack™ User Man ual.
APPLICA TION GUIDE ® Section 9 DriveRack ™.
Application Guide ® 82 Section 9 DriveRack ™ This Application guide section is provided to offer suggested installation applications of the DriveRack™ units that will allow you to optimize peak perfor mance of the units. Note that the six included applications represent the extensive flexibility of the DriveRack™ units.
® Hardwar e Note Make sure that all outputs are muted on the DriveRack™ prior to adding power to any devices in the signal path (pre and post DriveRack™). 1. Connect the outputs from the mixer to the inputs of the DriveRack™. 2. Connect the outputs of the DriveRack™ and run to the selected speaker amplifier .
Application Guide ® 84 Section 9 DriveRack ™ Hardwar e Note Make sure that all outputs are muted on the DriveRack™ prior to adding power to any devices in the signal path (pre and post DriveRack™). 1. Connect the outputs from the mixer to the inputs of the DriveRack™.
® Hardwar e Note Make sure that all outputs are muted on the DriveRack™ prior to adding power to any devices in the signal path (pre and post DriveRack™). 1. Connect the outputs from the mixer to the inputs of the DriveRack™. 2. Connect the outputs of the DriveRack™ and run to the selected speaker amplifier and in- ear monitor .
Application Guide ® 86 Section 9 DriveRack ™ Hardwar e Note Make sure that all outputs are muted on the DriveRack™ prior to adding power to any devices in the signal path (pre and post DriveRack™). 1. Connect the outputs from the mixer to the inputs of the DriveRack™.
® Hardwar e Note Make sure that all outputs are muted on the DriveRack™ prior to adding power to any devices in the signal path (pre and post DriveRack™). 1. Connect the outputs sends from the mixer to the inputs of the DriveRack™. 2. Connect the outputs of the DriveRack™ and run to the returns of the mixer .
® Appendix DriveRack ™.
® DriveRack™ User Man ual 90 Appendix A DriveRack ™ A.1.1 SY SEX MESSA GE FORMA T SY SEX HEADER (SY S_HEAD F0(h) System Exclusive 'Begin Message' byte 00(h) 01(h) Manufacturer's ID.
® Receive One Pr ogram (42h) SYS_HEAD 42(h), vv(1)1, vv(1)2, vv(2)1, vv(2)2, xx1, xx2, yy1, yy2, zz(1)1, zz(1)2, zz(2)1, zz(2)2, dd(1st)1,dd(1st)2, dd(nth)1, dd(nth)2, F7(h) vv .
® DriveRack™ User Man ual 92 Appendix A DriveRack ™ <<Pr ogram Dump V ersion>> 00 01 00 00 <<Pr ogram Bank and Pr ogram Number>> 00 00 00 00 <<Pr ogram T ransmit Count...Lo Bytes, Hi Bytes>> 00 0A 00 06 <<15 Character Pr ogram Name.
® In the unfortunate event that a reset is required, the DriveRack™ units offer you the option of perfor ming a “Soft” or “Hard” reset. The Soft Reset resets everything except user programs. The Hard Reset Procedure will reset all program- mable information back to the factory defaults.
® DriveRack™ User Man ual 94 Appendix A DriveRack ™ 482 T oggle RS-232/MIDI . Press and hold <ID UP> and <ID DOWN> at power-up until "232" appears in the 7-Seg Display. W atch as the fourth digit in the display toggles from "1" to "0" or from "0" to "1".
® Specifications ( 480 Driv eRack™) Inputs Number of Inputs: 4 (Inputs 3 or 4 can be selected as an R T A mic input) Connectors: Female XLR T ype: Electr onically balanced/RF filter ed Impedance: &.
® DriveRack™ User Man ual 96 Appendix A DriveRack ™ Range: +/-15 dB range Dynamics T ype: Compressor/Limiter with P eakStopPlus™ Attack/Release: Program Dependent Linking: All 8 bands are linka.
® D/A P erformance Dynamic Range: 112 dB unweighted, 115 dB A-weighted Sample Rate: 48kHz D/A W ordlength: 24 bits System P erformance Internal W ordlength: 48 bits THD + Noise: 0.003% typical at +4dBu, 1kHz, 0dB input gain Frequency Response: 20Hz- 20kHz, +/-0.
® DriveRack™ User Man ual 98 Appendix A DriveRack ™ Specifications ( 482 Driv eRack™) Inputs Number of Inputs: 4 (Inputs 3 or 4 can be selected as an R T A mic input) Connectors: Female XLR T y.
® Dynamics T ype: Compressor/Limiter with P eakStopPlus™ Attack/Release: Pr ogram Dependent Linking: All 8 bands are linkable P ost Dela y (Driver Alignment) Length: 170 ms per output channel Pink .
® DriveRack™ User Man ual 100 Appendix A DriveRack ™ LP 1X1(1-band) BP HP LP BP HP LP Filter 2 Filter 1 BP HP LP BP HP LP BP HP 1X2(2-band) 2X2 (1-band) HP H L LP 1X3(3-band) 1X4(4-band) Dual Fil.
® 2X6 (3-band) HP H HP BP H M BP LP LP M L L 2X6 w/Dual Sub (4-band) HP H HP BP BP LP LP H + M M Sub Sub-Sub 2X7 (4-band) HP H HP BP BP BP BP LP H + MH MH ML ML Sub 2X8 (4-band) HP H HP BP H MH BP BP.
® DriveRack™ User Man ual 102 Appendix A DriveRack ™ 3X6 HP H HP HP H H LP LP LP L L L 3X5 (3-band) HP H HP HP BP LP H H Sub Sub-Sub + 3X6 w/Sub (3-band) HP H HP BP BP HP H M M HM LP Sub H H H M .
® 3X8 (3-band) HP H HP HP H H BP BP LP M M M+L LP LP L L H H H M M M Sub Sub-Sub 3X7 w/dual subs HP H HP BP BP HP H M M H+M BP Sub LP Sub-Sub + 3X8 w/dual subs (3-band) HP HP HP BP BP BP BP LP + 4X4 .
® DriveRack™ User Man ual 104 Appendix A DriveRack ™ 4X8 (2-band) HP H HP HP H H HP LP LP H L L LP LP L L HP - High Pass Filter BP - Band Pass Filter LP - Band Pass Filter.
® The 480, 481 and 482 DriveRack™ units offer you the option of changing the input gain level settings. There are 3 hard- ware configurable gain settings. They are: +14 dBu, +22 dBu and +30 dBu. For these cases, use the following pro- cedure to change the gain level settings.
® DriveRack™ User Man ual 106 Appendix A DriveRack ™ A.9 Input and Output Diagrams.
® T o optimize sound per formance in a live application, you may wish to “Pink” a room with the Real Time Analyzer available in the 480 and 480R DriveRack™ units. Pink Noise is defined as equal loudness at all frequencies. Pinking a room gives you a good starting point for fine-tun- ing the room to your desired requirements.
® DriveRack™ User Man ual 108 Appendix A DriveRack ™ A.11 Wir e Diagrams DB-9 Male DB-9 Male White/Orange Orange White/Green White/Blue Green Blue White/Brown Brown No Connection Pin Configuratio.
8760 South Sandy P arkwa y • Sandy , Utah 84070 Phone: (801) 568-7660 • F ax (801) 568-7662 Int’l F ax: (219) 462-4596 Questions or comments? E-mail us at: customer@dbxpr o .
Een belangrijk punt na aankoop van elk apparaat dbx 480 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen dbx 480 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens dbx 480 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding dbx 480 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over dbx 480 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van dbx 480 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de dbx 480 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met dbx 480 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
