Rockford Fosgate SYMMETRY EPX2 Installation & Operation Manual
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Rockford Fosgate SYMMETRY EPX2 Installation & Operation Manual

Rockford Fosgate SYMMETRY EPX2 Installation & Operation Manual

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Summary of Contents for Rockford Fosgate SYMMETRY EPX2

  • Page 1 ™ & O NSTALLATION PERATION ANUAL ® ®...
  • Page 2 To add the finishing touch to your new Rockford Fosgate image order your Rockford accessories, which include everything from T-shirts and jackets to hats and sunglasses.

  • Page 3: Table Of Contents

    Global Operation ................26 Lock Operation ................30 Setup Operation ................31 About Operation ................36 Rockford Fosgate Accessories ............37 Installing the Optional SYM-E14 ............. 38 Installing the Optional SYM-E28 ............. 39 Installing the Optional FG-BLT ............41 System Diagrams ................42 Troubleshooting ................

  • Page 4: Getting Started

    Basic Connections section of the manual. Other information can be located by using the Table of Contents. We, at Rockford Fosgate, have worked very hard to make sure all the information in this manual is current. But, as we are constantly finding new ways to improve our product, this information is subject to change without notice.

  • Page 5: Introduction

    N T R O D U C T I O N The Symmetry EPX is a technological derivative of Rockford Fosgate's Symmetry system. It offers you a product that is both rich in features and affordable. The EPX has many features including a 4-way Preamplifier, fadable 3-way Crossover, and connections for an optional 14-band or 28- band Equalizer.

  • Page 6: Technical Design Features

    EC HN ICAL ES IGN E AT URES Power Supply The power supply provides the fundamental voltages required for circuit operation. In simplest terms, a power supply converts the standard automotive 12 volts DC into the bipolar voltages required for audio applications.

  • Page 7: Preamplifier

    Preamplifier The preamplifier section is the heart of all EPX signal processing activity. It provides source selection from one of two separate input sources, volume control covering an 80dB range, independent bass and treble controls with 12dB of boost or cut, and balance and fade capabilities.

  • Page 8: Equalizer (Optional)

    and power ground are common. This point should be established by the source unit. When multiple source units are used, each will establish its own common ground point, with the result being the dreaded “ground loop.” (Ground loops are the primary cause of engine noise in a system.) By utilizing independent input grounds, the preamplifier avoids ground loops.

  • Page 9: Electronic Crossover

    Equalizer operation is exceptionally user-friendly. All adjustments are made from the multi-function RDAT in real-time. This means that the user can actually hear changes as they are being made. Also, all equalizer settings are displayed both graphically and numerically on the system's large, easy to read RDAT display.

  • Page 10: Remote Data Access Terminal (Rdat)

    The crossover points for high-pass, bandpass, and low-pass may be adjusted independently. (All pass outputs do not have crossover points.) The most flexible feature is that crossover point adjustments may be made in real time. With the EPX , crossover points can be dynamically adjusted while listening.

  • Page 11: Communications Interface

    RDAT. With that goal achieved, the second goal was to make the unit software driven allowing each of those components to interact with one another. After achieving the second goal the Rockford Fosgate design team gave the EPX Global and VDISC features. These features work together and are very simple to operate.

  • Page 12: Epx 2 Design Features

    ESIGN EATURES Remote Data Access Terminal Escape Key LCD Display Function Keys *SYMMETRY* PREAMP XOVER GLOBAL LOCK < < MUTE Multipurpose Numeric Keys Volume Keys Enter Key Keys LCD Display: Menu selections and other vital system information are displayed in this area. Function Keys: The function keys are used to select options displayed on the LCD display.
  • Page 13 Input Section INPUT A INPUT B POWER Balanced Balanced RDAT Power LED: The LED gives a visual indication of the status of the , lighting when the unit is turned on. RCA Input Jacks: The industry standard RCA jack provides an easy connection for signal level input.

  • Page 14: Installation Considerations

    N S TA L L AT I O N O N S I D E R AT I O N S Tools Needed The following is a list of tools you will need for installing the EPX Allen wrench 3/32" (included) Voltmeter Wire strippers Battery post wrench...

  • Page 15: Mounting Locations

    Do not expose the RDAT to water, extreme heat, or direct sunlight. Engine Compartment Mounting The Rockford Fosgate EPX main housing and RDAT should never be mounted in the engine compartment. Not only will this void your warranty but could create an embarrassing situation caused by the ridicule from your friends.
  • Page 16 The REM input lead should be connected to the remote turn-on or power antenna output from the source unit. Prepare the length of cable from the source of switched voltage by stripping 3/8" of insulation from the end of the wire. Insert the bared wire into the REM terminal of the power connector and fasten the screw.

  • Page 17: Epx 2 Basic Connections

    5. Verify operation Power the system up by turning on the source unit. After a few seconds, the RDAT should display the Main Menu. Keep the volume low until the correct crossover points are set. 6. Adjust EPX crossover settings Adjust the EPX crossover points to the desired crossover frequen- cies.
  • Page 18 RCA & RDAT Connections CLOCK AUTO ILLUM DISC DSPL P.SCN LOUD AMFM LD RDM TUNE D.SCN SCAN PAUSE ® ® *SYMMETRY* PREAMP XOVER GLOBAL LOCK < < MUTE INPUT A INPUT B BALANCED BALANCED RDAT POWER • RCAs from source 1 are connected to “INPUT A.” •...
  • Page 19 RCA Output Connections BACK FRONT LEFT LEFT RIGHT RIGHT LOW-PASS BANDPASS HIGH-PASS ALL-PASS • Low-Pass output is connected to subwoofer amplifier. • Bandpass outputs are connected to midrange amplifier. • High-Pass outputs are connected to tweeter amplifier. • All-Pass outputs are connected to special applications amplifier. •...

  • Page 20: Basic Operation

    A S I C P E R A T I O N The RDAT provides the link with the user. To ensure ease of operation, a menu driven software architecture was selected for the user inter- face. In this type of system, options are presented to the user on the RDAT's large 40 character by 2 line display.

  • Page 21: Volume Control

    R E A M P P E R AT I O N Volume Control Use the dedicated volume control keys to adjust the output level of the . Pressing the Up arrow key increases the volume in 2dB increments. Pressing the Down arrow key has the opposite effect. Press the Mute key to mute the output by 20dB.

  • Page 22: Preamp Operation

    R E A M P P E R AT I O N Source Name To name the source, first select which Source is to be named (A or B), then select Name. The following will be displayed. Use arrow keys to change source name. [ A ] Use the left/right multipurpose keys to select cursor position and the up/down multipurpose keys to select characters.

  • Page 23: Equalizer Operation (Optional Accessory)

    QUALIZER PERATION (optional accessory) NOTE: One of the optional equalizers (SYM-E14 or SYM-E28) must be installed prior to equalizer operation. Refer to pages 38 and 39 for hardware installation and page 36 for software installation. To access the EPX equalizer functions, select EQ from the main menu.
  • Page 24 Q U A L I Z E R P E R AT I O N (optional accessory) EQ Adjust To manually adjust the EPX equalizer, select EQ from the main menu and then select Adjust from the Eq/Load menu. The following display will appear.
  • Page 25 Q U A L I Z E R P E R AT I O N (optional accessory) Save Curve / Change Name To save the previously set EQ curve, select Save. The following options will be displayed. Eq / Adjust / Save BANK A BANK B BANK C...

  • Page 26: Crossover Operation

    R O S S O V E R P E R AT I O N To adjust the EPX active electronic crossover, select XOVER from the main menu. The following options will be displayed. * CROSSOVER MENU * Low-Pass Adjustment To access the crossover's low-pass section, select LP from the crossover menu.
  • Page 27 R O S S O V E R P E R AT I O N Bandpass Adjustment To access the crossover's bandpass section, select BP from the crossover menu. The following options will be displayed. Xover / B Back Front Select Back to adjust the crossover's back bandpass section or Front to adjust the front bandpass section.
  • Page 28 R O S S O V E R P E R AT I O N High-Pass Adjustment To access the crossover's high-pass section, select HP from the crossover menu. The following screen will be displayed. Xover / H Back Front Select Back to adjust the crossover's back high-pass section or Front to adjust the front high-pass section.

  • Page 29: Global Operation

    L O B A L P E R AT I O N The EPX Global Preset functions allow the user to… • Save all Source-EQ-Preamp-Crossover settings to one global preset. • Recall all system settings from one of four presets •...
  • Page 30 L O B A L P E R AT I O N Global Save / Change Name To save all system settings to a global preset: 1. Select desired Source input to be used from the Preamp/Source menu. 2. Select desired EQ curve from the EQ Bank of Presets (RTA curve, SPL curve).
  • Page 31 L O B A L P E R AT I O N Global VDISC The EPX has the ability to automatically switch between global presets A & B, presets B & C, and presets C & D based on the current volume settings.
  • Page 32 L O B A L P E R AT I O N With VDISC engaged, global Preset A will be active whenever the volume control is set below the first threshold. Global Preset B will be active whenever the EPX volume is adjusted to a level that exceeds the first threshold point.

  • Page 33: Lock Operation

    O C K P E R AT I O N The EPX lock feature allows the user to lock access to vital system areas. This prevents unauthorized tampering and potential system damage. Lock To lock the system, select Lock from the main menu. The following screen will be displayed.

  • Page 34: Setup Operation

    E T U P P E R AT I O N To access the Setup Menu, select Setup from the Main Menu. The following options will be displayed. > * SETUP MENU * Chirp Code Language Levels Light To access the next menu of commands, press the right “>” multipur- pose key.
  • Page 35 E T U P P E R AT I O N Select Yes. The screen will then display the following. Setup / Chirp / Pitch Control Press UP/DN arrow keys to adjust pitch. Press the up/down multipurpose keys to adjust the pitch of the chirp. Pressing the center multipurpose key will reset the chirp pitch to its factory default position.
  • Page 36 E T U P P E R AT I O N Language This option is used to select the default language that will be displayed on the RDAT LCD. To access this function, select Language from the Setup Menu. The following options will be displayed. Setup / Language - Select default <...
  • Page 37 E T U P P E R AT I O N > L |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 128 > R |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 128 The bracket > next to L & R indicates that the left and right channels are currently selected for simultaneous adjustment. To increase the left and right channel gain, use the right multipurpose key.To decrease the left and right channel gain, use the left multipurpose key.
  • Page 38 E T U P P E R AT I O N To access the EQ Tracking feature select Track from the Setup/Levels menu. The following screen will be displayed. Setup / Levels / EQ Tracking Engage < Bypass > The bracket < > around Bypass indicates the EQ Tracking feature is currently inactive.

  • Page 39: About Operation

    DCard This option is used to adapt the software when installing or un- installing optional DCard modules into the EPX main housing. To adapt DCard software, select D-Card from the Setup menu. The following will be displayed. Setup / D-Card: Select options. E14 [ * ] E28 [ The asterisk * inside the E14 brackets [...

  • Page 40: Rockford Fosgate Accessories

    The Balanced Line Transmitter converts signal RCA cables from the source unit to balanced signals. The BLT improves sound quality in the system by eliminating noises generated by vehicle electrical systems. The BLT is available for Rockford Fosgate products that offer a balanced input. - 37 -...

  • Page 41: Installing The Optional Sym-E14

    E14 or refer to page 36 of your EPX Manual. J. Congratulations! You have successfully installed your optional Equalizer Module. ATTENTION: To maintain your EPX warranty, we recommend your Authorized Rockford Fosgate Dealer install your new accessory. - 38 -...

  • Page 42: Installing The Optional Sym-E28

    Installing the Optional SYM-E28 ® ® ™ A. Disconnect RDAT & Power from the EPX B. Remove Cover from main unit by unscrewing the six hex head screws with the 3/32" Allen wrench supplied with the EPX C. Remove 2 Jumpers on connector P5 corresponding to LOL, LRL, LOR &...
  • Page 43 E28 or refer to page 36 of your EPX Manual. K. Congratulations! You have successfully installed your optional Equalizer Module. ATTENTION: To maintain your EPX warranty, we recommend your Authorized Rockford Fosgate Dealer install your new accessory. - 40 -...

  • Page 44: Installing The Optional Fg-Blt

    • RCAs from Source connected to Balanced Line Transmitter with minimal cable. • Balanced Line Cable from BLT connected to “Balanced” input. ATTENTION: To maintain your EPX warranty, we recommend your Authorized Rockford Fosgate Dealer install your new accessory. - 41 -...

  • Page 45: System Diagrams

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  • Page 50: Troubleshooting

    R O U B L E S H O O T I N G Symptom Diagnosis Remedy Unit does not Voltage applied to the Check the alternator, bat- turn on REM terminal is not be- tery, fuse, and wiring and (Power LED is off) tween 10.5 and 15.5 repair as necessary.
  • Page 51 R O U B L E S H O O T I N G Symptom Diagnosis Remedy Reset memory using New software Microprocessor is Memory from the Setup doesn't function scrambled. menu. correctly Select DCard option from Feature not Software not configured the setup menu available correctly.
  • Page 52 R O U B L E S H O O T I N G Symptom Diagnosis Remedy Check wiring and repair as is not properly Noise in system necessary. grounded. (Alternator whine) Remove cover from the EPX The simultaneous con- main housing and locate nection of 2 source units grounding jumpers J3 &...

  • Page 53: Specifications

    P E C I F I C AT I O N S Power Supply Input Voltage 10-16 Volts DC Input Current <2.5 amps Ground Isolation 1 Meg Ohm Switching Frequency 30kHz Rail Voltages 5 VDC, 15 VDC Fuse Internal - AGC 3 amp Preamplifier Frequency Response 20Hz-20kHz 0.5dB...
  • Page 54 P E C I F I C AT I O N S Crossover Type Fadable 3-way Number of Outputs Pass Band Information Front L/R High-Pass 182Hz to >20,000Hz Front L/R Bandpass Low Side 58Hz to 7,500Hz High Side 182Hz to >20,000Hz L/R Low-Pass 58Hz to 7,500Hz Rear L/R High-Pass...

  • Page 55: Warranty Information

    • Who is Covered This warranty covers only the original purchaser of Rockford product purchased from an Authorized Rockford Fosgate Dealer in the United States. In order to receive service, the purchaser must provide Rockford with a copy of the receipt stating the customer name, dealer name, product purchased and date of purchase.
  • Page 56 Rockford Corporation 546 South Rockford Drive Tempe, Arizona 85281 U.S.A. In U.S.A., (602) 967-3565 In Europe, Fax (49) 4207-801250 In Japan, Fax (81) 559-79-1265 MAN-0882-C © 5/97...

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