APEQ-2pro USER MANUAL
Contents
1. M 14 ZEE S M BIS e 14 z MESSI PA SIE OUP UVa os sonia c 14 Aos RESTORING FACTORY SETTING rr c 15 AA FIRMWARE UPDA Eniru eona ENE EOE AA E SEERA 15 ae TE CIN Pie OUP POR ge ionar a E A OEO E E E A A NE 15 4 6 COMMON ERRORS AND HOW TOFIA PISEIVI quse asc ioio Enn O EEI EA ANEA AS 15 APEQ 2pro Two Channel Acoustic Power Equalizer User Manual revision 2 2 Real Sound Lab SIA Akad mijas Laukums 1 Riga LV1050 Latvia Telephone 371 6788 9828 www realsoundlab com 2007 2009 Real Sound Lab SIA 5 1 INTRODUCTION 1 1 ABOUT THIS MANUAL This manual provides detailed reference information for the Real Sound Lab APEQ 2pro 2 generation model APEQ2P02 Two Channel Acoustic Power Equalizer hardware The manual is organized as follows Chapter 1 Introduction this chapter Chapter 2 Device Hardware describes the APEQ 2pro hardware in detail including Front and Back Panel and hardware installation Chapter 3 Device Operation describes device hardware settings and all functions Chapter 4 Troubleshooting describes error situations and their solving The APEQ 2pro device is complemented by the APEQ Communication Tool C1 It may also be bundled with the CONEQ Workshop measurement software For more information on the CONEQ measurement software please refer to the CONEQ Workshop Quickst2. 4 1 ERROR INDICATION Error is indicated in two ways by the APEQ 2pro Front Panel indicators and by terminal output If fatal error occurs at initialization time the yellow BYPASS indicator on Front Panel will flash approximately once per second 4 2 RS 232 SYSTEM OUTPUT APEQ 2pro constantly outputs system information which may be read or logged to file using PC with Terminal software installed connected using APEQ 2pro RS 232 interface See Hardware installation chapter for connection and Terminal software configuration At APEQ 2pro start it displays system type version and hardware and device configuration information e COM7 115200 8N1 HyperTerminal M Efx File Edit wiew Call Transfer Help Detecting system ROM max 16 sec 1824 KB found SDP package ie System data USB cable connected Volume Label change detected Loading configuration file apeqcfg txt File open error 2 Defaults used Config updated Reconfigure CONEQ Configure FPGA from ABIH file seq 8 ABIN package found ceq b x SROH update not needed System 1s NOT ready Physical Bypass ON Bypass OFF Loading files 1 1 6DB_ 1 WAY 2 2 6DB 1 WAY Sending to CONEQ OK System 1s READY Physical Bypass OFF Bypass OFF SROH update skipped Connected 0 01 00 Auto detect 115200 8 N 1 Picture 4 2 1 System terminal output In case of error terminal will show detailed error information This information shoul
3. TABLE OF CONTENTS ai2dMenNlk1peigm c c X 2 TABLE OF CONTENTS c vsosssshsns sin ERN NUUS ASA EKASUENPENS QUERI A AER ARNAQUES nn TENTI UI 18 RU UNUEUEI T RUN VERE TES VXN A EO MANARE K NUN An AEE 5 1 AINTRODUCTION M nwnnn n 0 SSXX 6 OE ABOUT TRAIS MANYA m HQ 6 LZ PRODUCT SPECIFICATION E E gas 7 2 auiedhiimsniid R 8 ym e IE uM LEREACE P 8 AA BACK PANE LINTERFACE t 8 2 3 PORD VV ARTIN TALA HON areira E E E EE E A E E 9 3 DEVICE OPERATION eem X 10 Sede DEVICE SWITCH ON e 10 Ze Fe EAE BTA ra T A T E O E AE OE E OOTA 10 coc DEVICE iSecc ciu SUE anaana na N EE E E EEE AEA MH 10 pe DEVICE DEIN SIGN e P EE AEE E TE AS E E E a A 10 3 5 CONEO CORRECTION FILTER CONFIGURATION icsszuiskxskupi taxon Ero a EAE N E EEE ER E AE 12 GALBEN E E E E E A E M 13 3AE MAINS VOLTAGE LOSS DETECTOR Meme nn renaire aa E m 13 3 0 SOUND LEVEL INDICA TO Nsscscvsnbtece eicit etadnic ieioea su EDAM Hd Hind EES EROARE N OESE EOE AAA 13 DNI IIR I m nae 13 A uieU i2coieejp ce
4. for channel 2 This is default for files generated by CONEQ Workshop software After both files are copied APEQ device will automatically reconfigure CONEQ filter BYPASS indicator on front panel flashes indicating configuration process If any of files doesn t have checksum see CONEQ C1 User Manual for details device also switches On Physical Bypass at time of CONEQ reconfiguration to prevent noise or sound jam if file is corrupt On case of any CONEQ configuration error device switches On Physical Bypass and indicates error by BYPASS indicator slow flashes Use RS 232 System Interface to check error details See Troubleshooting chapter for details 3 6 DIGITAL BYPASS BYPASS button on the Front Panel picture 2 1 controls Digital Bypass path After pressing BYPASS button BYPASS indicator will lighten indicating that sound path is changed to bypass the CONEQ filter Press BYPASS button again to switch Digital Bypass off BYPASS indicator used also for device activity or error state indication in some operation modes See other manual chapters for details 3 7 MAINS VOLTAGE LOSS DETECTOR APEQ 2pro is equipped with a MAINS voltage loss detector If the MAINS voltage is dropped under minimal allowed level for a short time 0 5 sec device automatically switches On Physical Bypass thus preventing sound corruption and returns back to normal operation mode when MAINS voltage level
5. standard operating system tools Easiest way to ensure that APEQ 2pro has valid filters is to apply Default preset using APEQ Communication Tool C1 See the APEQ Communication Tool C1 User Manual for details 2 APEQ 2pro is switched On BYPASS indicator is on CONEQ equalizer doesn t work device transfers sound from inputs to outputs unaltered Unplug USB cord from APEQ 2pro and then cycle device power using POWER Switch on Back Panel and POWER Button on Front Panel If device now starts normally device firmware must be updated Contact your representative or Real Sound Lab directly for firmware update 3 After upload of a new CONEQ Filter File to APEQ 2pro it stops functioning normally BYPASS indicator constantly flashes slowly CONEQ equalizer doesn t work device transfers sound from inputs to outputs unaltered Your APEQ 2pro does not support the format of the uploaded file 1 APEQ 2pro supports only Minimal Phase Filter files MPF synthesized by CONEQ Workshop software Linear Phase Filter files LPF are not supported 2 Use latest version of APEQ Communication Tool C1 to transfer files This tool will inform you if the file format is incorrect and try to convert it to a format that APEQ 2pro supports The latest version of APEQ Communication Tool C1 may be downloaded from Real Sound Lab home page 3 Upgrade your APEQ 2pro to latest firmware version Contact your representative or Real Soun
6. 2 1 FRONT PANEL INTERFACE The APEQ 2pro Front Panel Interface picture 2 1 provides minimal required user interface functionality Host PC with appropriate software connected over one of interfaces available may be used for any extended control and statistics collection Front Panel Buttons Power button Switch the device power On Off Bypass button Switch the Bypass mode On Off Front Panel Indicators Power indicator Indicates device power is On Bypass indicator Indicates Bypass mode is On Used also to indicate errors slow regular flashes and Device Busy status short series of fast flashes Level indicators Device output signal level indication for both channels 48 dB 12 dB 6 dB CLIP At initialization all indicators are switched on for a short time for test purposes 2 2 BACK PANEL INTERFACE The APEQ 2pro Back Panel Interface picture 2 2 provides connections for audio inputs and outputs as well as Host PC interface interconnections and Mains power Power Inlet APEQ 2pro has an auto ranging power supply operating from 100 240 VAC 50 60 Hz The maximum power consumption of the Equalizer is 25 watts Two fuses T 1 5A L in a 5 x 20 mm package are also included along with the all pole MAINS SWITCH for the unit USB Connector USB B connector allows connection to the Host PC and enables exchange of CONEQ correction filter files RS 232 Connector APEQ 2pro is equipped with DB 9 Female RS 232 connec
7. YRIGHT AND PATENT RIGHTS LIMITATION OF LIABILITY IT IS UNDERSTOOD AND AGREED THAT REAL SOUND LAB s LIABILITY WHETHER IN CONTRACT IN TORT UNDER ANY WARRANTY IN NEGLIGENCE OR OTHERWISE SHALL NOT EXCEED THE COST OF REPAIR OR REPLACEMENT OF THE DEFECTIVE COMPONENTS OR ACCUSED INFRINGING DEVICES AND UNDER NO CIRCUMSTANCES SHALL REAL SOUND LAB BE LIABLE FOR INCIDENTAL SPECIAL DIRECT INDIRECT OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO DAMAGE TO SOFTWARE OR RECORDED AUDIO OR VISUAL MATERIAL COST OF DEFENSE OR LOSS OF USE REVENUE OR PROFIT EVEN IF REAL SOUND LAB OR ITS AGENTS HAVE BEEN ADVISED ORALLY OR IN WRITING OF THE POSSIBILITY OF SUCH DAMAGES TRADEMARKS CONEQ IS REGISTERED TRADEMARK OF REAL SOUND LAB SIA ALL OTHER TRADEMARKS REMAIN THE PROPERTY OF THEIR RESPECTIVE OWNERS NOTICE EVERY EFFORT WAS MADE TO INSURE THAT THE INFORMATION CONTAINED IN THIS MANUAL WAS COMPLETE AND ACCURATE AT THE TIME OF PRINTING HOWEVER DUE TO ONGOING TECHNICAL ADVANCES CHANGES OR MODIFICATIONS MAY HAVE OCCURRED THAT ARE NOT COVERED IN THIS MANUAL APEQ 2pro Two Channel Acoustic Power Equalizer User Manual revision 2 2 Real Sound Lab SIA Akad mijas Laukums 1 Riga LV1050 Latvia Telephone 371 6788 9828 www realsoundlab com 2007 2009 Real Sound Lab SIA 3 T rear sound Lab Real Sound Lab SIA t 371 6788 9828 e infoerealsoundlab com IMPORTANT SAFETY INFORMATION Do not remove covers No user servic
8. art Guide and Reference Manual For more information on APEQ Communication Tool C1 please refer to the APEQ Communication Tool C1 User Manual 1 2 PRODUCT SPECIFICATIONS Audio Channels of Equalization 2 Sample Rate Resolution 48 kHz 24 bit Nominal Input Level 4 dBu Nominal Output Level 4 dBu Maximum Input Level 21 4 dBu Maximum Output Level 21 4 dBu into gt 500 Ohms load Input Impedance 2 x 5 kOhm balanced 5 kOhm unbalanced Output Impedance 150 Ohm Input amp Output Connectors XLR TRS balanced Dynamic Range 115 dBA THD at 0 3 dBFS 0 0196 Common Mode Rejection 90 dB Latency 1 6 ms PC Connections USB RS 232 Power 100 240 V AC or 100 300 V DC 15 VA Dimensions 483x225x44 mm 19 1U Weight 1 5 kg 3 3 lbs 2 DEVICE HARDWARE APEQ 2pro is provided in the standard 19 1U rack mount enclosure It provides two user accessible panels the Front Panel interface picture 2 1 and the Back Panel interface picture 2 2 S amt y Fear SOUND Lab POWER BYPASS APEGQ 2pro A ye 2 Channel Acoustic Power Equalizer e SUPPLY VOLTAGE 90 264V AC 50 25W Real Sound Lab MADE IN LATVIA 0 60Hz APEQ2P02 348001963186 RS 232 O PREVENT RISKS OF 7 OCK DO NOT 2008 02 19 e e j DISCON OWER 5 EXPOSE K l 5 TO RAIN OR MOISTURE Features CCONIZ AY technology Picture 2 2 APEQ 2pro Back Panel
9. d Lab directly for firmware update 4 After loss of MAINS voltage APEQ 2pro does not return to a normal operation If MAINS voltage is lost for a time more than 0 5 sec APEQ 2pro switches to Standby mode and must be switched On manually using the POWER button NOTE If the Permanent Power On jumper is installed APEQ 2pro can be switched On Off by using MAINS switch on Back Panel only POWER button is ienored in this mode
10. d be analyzed by qualified service personnel Terminal Capture option may be used to log APEQ device operation history to file For example Windows HyperTerminal has Transfer gt Capture Text option for this purpose 4 3 RESTORING FACTORY SETTINGS APEQ 2pro APEQ2PO2 Two Channel Acoustic Power Equalizer factory defaults may be restored by Real Sound Lab authorized personnel only Please ask your representative or contact Real Sound Lab directly for restoring of firmware settings for your APEQ 2pro device 4 4 FIRMWARE UPDATE APEQ 2pro APEQ2P02 Two Channel Acoustic Power Equalizer firmware may be updated by Real Sound Lab authorized personnel only Please ask your representative or contact Real Sound Lab directly for firmware updating for your APEQ 2pro device 4 5 TECHNICAL SUPPORT Please ask your representative or contact Real Sound Lab directly for technical support for your APEQ 2pro device 4 6 COMMON ERRORS AND HOW TO FIX THEM Below we provide a list of common APEQ 2pro device issues and How To fix them 1 APEQ 2pro is switched On BYPASS indicator constantly flashes slowly CONEQ equalizer does not work device transfers sound from inputs to outputs unaltered Fatal device initializations or CONEQ configuration error has occurred Most common situation one or both CONEQ Correction Filter files are lost or corrupt Try to replace the filter files using APEQ Communication Tool C1 software or
11. eable parts inside refer servicing to qualified service personnel To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture Always follow these basic safety precautions when installing and using APEQ Acoustic Power Equalizers 1 Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Oo Ul KR W N The apparatus shall not be exposed to dripping of splashing and no objects filled with liquids such as vases shall be placed on the apparatus 7 Clean only with a dry cloth 8 Do not block any of the ventilation openings Install in accordance with the manufacturer s instructions 9 The ventilation should not be impeded by covering the ventilation openings with items such as newspapers table cloths curtains etc 10 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 11 No naked flame source such as lighted candles should be placed on the apparatus 12 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obs
12. g standard operating system tools This name is stored by APEQ 2pro and later may be used for device identification FROMT EEET2 F Properties General AutoPlay Tools Hardware Sharing Type Removable Disk File system FAT Bg Used space 26 112 bytes Free space 1 024 bytes Capacity Ar 136 bytes rive F Picture 3 3 2 APEQ device Volume Label change All information about device Volume Label and identification information is also displayed by APEQ Communication Tool C1 and may be used for choosing the device if multiple APEQ 2pro devices are connected to a single PC see the APEQ Communication Tool C1 User Manual CONEQ C1 FRONT LEFT2 APEQ 2pro v2 0 8926 S N 123 CONEQ Equalizer C 2007 2008 Real S e a File Choose device F FRONT LEFT2 APEQ 2pra v2 0 8926 SIN 123 CONEO Equalizer C 2007 2008 Real Sound Lab Ltd v Select Files Picture 3 3 3 APEQ Communication Tool C1 drop down list with APEQ 2pro identification information 3 5 CONEQ CORRECTION FILTER CONFIGURATION APEQ 2pro implements CONEQ Acoustic Power Equalization The device must be configured with correct CONEQ Correction Filter files generated by CONEQ Workshop software When device is not configured it transfers sound unaltered directly from inputs to outputs In this case BYPASS indicator on device Front Panel flashes slowly indicating CONEQ filters are not present or other configuration error ha
13. le Windows HyperTerminal and set it up for speed of 115200 baud 8 bits 1 stop bit 3 4 DEVICE IDENTIFICATION The APEQ 2pro device may be identified in a few ways Each APEQ 2pro has a unique serial number This number is displayed on Product Label Back Panel see picture 2 2 as well as stored in internal memory at time of manufacturing Product Label also contains information about device type this model covers type APEQ2P02 the 2 generation of the product and device manufacturing date Programmed number is shown in RS 232 Terminal output see Troubleshooting chapter It also may be found in Identification File on device USB Mass Storage drive file apeq_id txt APEOZP 0123 F Fie Edit wiew Favorites Tools Help Q9 Back kJ i E Search Folders Address Fa ES Go tapeq id 1 36 12dB L256 eq 5dB D 02ims 4 4dB 3 208ms od 2_60B_ 1000 2 eq eq i 3 objects 24 1 KB 4 My Computer Picture 3 3 1 The APEQ 2pro device s USB Mass Storage Device disk drive Identification file also contains other information about APEQ 2pro product type and firmware version By default APEQ 2pro drive has a Volume Label constructed from shortening of device type APEQ2P for APEQ 2pro and last 4 digits of device serial number See picture 3 3 1 for an example of volume label of device with serial number 0123 User may change device Volume Label usin
14. m the System Interface of APEQ 2pro connect the RS 232 DB 9 connector to the serial port of the Host PC using RS 232 Straight thru cable for example Stonewall RS 232 Straight thru DB9MF cable If your PC does not have RS 232 interface use USB to Serial adapter for example Belkin USB Serial Adapter The serial cable is not included with the APEQ 2pro device Connecting Audio Inputs Connect Audio inputs using either XLR or TRS connectors using shielded cables Connecting Audio Outputs Connect Audio outputs using either XLR or 14 TRS connectors using shielded cables 3 DEVICE OPERATION 3 1 DEVICE SWITCH ON Switch On MAINS Switch on device Back Panel see picture 2 2 At MAINS switch On the device enters Standby mode Press POWER button on device Front Panel picture 2 1 POWER indicator will light up indicating device is in Power On mode All device indicators light up for a few seconds If any indicator is not lit it must be replaced ask your representative or contact Real Sound Lab for device repair or replacement After a few seconds all indicator lights are switched Off If the device was previously properly configured BYPASS indicator will flash fast for a few seconds indicating CONEQ configuration process After process completion all indicators except the POWER indicator are Off and the device switches Off Physical Bypass Now APEQ 2pro device is in operating state In case of CONEQ c
15. olete outlet 13 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 14 Only use attachments accessories specified by the manufacturer 15 Unplug this apparatus during lightning storms or when unused for long periods of time 16 Refer all servicing to qualified personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 17 Use the mains plug to disconnect the apparatus from the mains 18 The mains plug of the power supply cord shall remain readily operable WARNING 1 Terminals marked with the lightning bolt are hazardous live the external wiring connected to these terminals requires installation by an instructed person or the use of ready made leads or cords 2 This apparatus is a Class construction and shall be connected to a Mains socket outlet with a protective earthing connection APEQ 2pro Two Channel Acoustic Power Equalizer User Manual revision 2 2 Real Sound Lab SIA Akad mijas Laukums 1 Riga LV1050 Latvia Telephone 371 6788 9828 www realsoundlab com 2007 2009 Real Sound Lab SIA 4 T rear sound Lab Real Sound Lab SIA t 371 6788 9828 e infoerealsoundlab com
16. onfiguration error BYPASS indicator will flash slowly See the Troubleshooting chapter for possible problem solutions NOTE n case of MAINS power loss while APEQ device is operational device will automatically switch to Bypass mode thus effectively bypassing CONEQ filter It may be an issue in big installations To solve this APEQ device may be equipped with Permanent Power On jumper If this jumper installed POWER button is disabled and device goes On automatically on MAINS voltage appearance The Permanent Power On jumper is located inside of device enclosure and must be accessed by trained service personnel only Please contact your representative or Real Sound Lab for details 3 2 PHYSICAL BYPASS When the APEQ 2pro device power is Off Standby or device firmware detected erroneous situation when sound could be corrupt Physical Bypass will be switched On In this mode device outputs are physically connected to inputs and audio signals are passed to outputs unaltered 3 3 DEVICE ACCESS FROM PC Device must be connected to PC using appropriate cables see Hardware Installation chapter to do any data transfer to or from the device After USB cable connection and device initialization completion it will be detected by PC as a USB Mass Storage Device the same as commonly used USB Flash Drives If you plan to read device s service information using device RS 232 port start terminal software for examp
17. s reaL sound Lab Real Sound Lab SIA t 371 6788 9828 e info realsoundlab com APEQ 2pro Two Channel Acoustic Power Equalizer USER MANUAL for model APEQ2PO2 APEQ 2pro Two Channel Acoustic Power Equalizer User Manual revision 2 2 Real Sound Lab SIA Akad mijas Laukums 1 Riga LV1050 Latvia Telephone 371 6788 9828 www realsoundlab com 2007 2009 Real Sound Lab SIA 1 T rear sound Lab Real Sound Lab SIA t 371 6788 9828 e info realsoundlab com REVISION HISTORY Revision 2 2 2009 02 25 Restyled Revision 2 1 2008 12 10 Common Errors chapter extended Revision 2 0 2008 10 01 Reworked according to APEQ2PO2 firmware version 2 0 8926 Revision 1 2 2008 02 25 Revision 1 1 2008 01 21 Revision 1 0 2007 08 08 APEQ 2pro Two Channel Acoustic Power Equalizer User Manual revision 2 2 Real Sound Lab SIA Akad mijas Laukums 1 Riga LV1050 Latvia Telephone 371 6788 9828 www realsoundlab com 2007 2009 Real Sound Lab SIA 2 T rear sound Lab Real Sound Lab SIA t 371 6788 9828 e infoerealsoundlab com DISCLAIMER OF WARRANTIES EQUIPMENT MANUFACTURED BY REAL SOUND LAB IS WARRANTED AGAINST DEFECTS IN MATERIALS AND WORKMANSHIP FOR A PERIOD OF ONE YEAR FROM THE DATE OF PURCHASE THERE ARE NO OTHER EXPRESS OR IMPLIED WARRANTIES AND NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OF NONINFRINGEMENT OF THIRD PARTY RIGHTS INCLUDING BUT NOT LIMITED TO COP
18. s normalizes In case of long MAINS voltage loss the device switches Off and Physical Bypass is employed permanently until the device is switched On using the POWER button See also Device switch On chapter 3 8 SOUND LEVEL INDICATION APEQ 2pro equipped with two channel output sound level indicator arranged on device Front Panel see picture 2 1 This indicator has four levels of indication 48 dB 12 dB 6 dB and CLIP sound path overload Indicator shows the current output sound level in both CONEQ equalization and Bypass modes 3 9 DEVICE SHUTDOWN To switch APEQ 2pro to Standby mode press POWER button To completely shutdown device switch MAINS switch Off Back Panel picture 2 2 While in either Standby or Off modes the device will switch On the Physical Bypass thus guaranteeing direct unaltered sound path through the device NOTE f the Permanent Power On jumper is installed APEQ 2pro can be switched On Off by using MAINS switch on Back Panel only POWER button is ignored in this mode 4 TROUBLESHOOTING Your APEQ 2pro Two Channel Acoustic Power Equalizer has sophisticated internal self diagnostic system Device stops initialization and indicates an error state only in case when fatal error preventing the system from performing CONEQ equalization occurs In all other error cases error is indicated by terminal output but do not stop device from loading
19. s occurred After the device is manufactured default files 6db 1000 wav are used for both channels These files provide 6 dB sound amplification with no equalization To equalize sound system two Correction Filter files one for each channel must be written to the device s USB Mass Storage Device Standard operating system tools or APEQ Communication Tool C1 may be used for this purpose Device configuration using standard Operating System tools The preferred method to transfer filter files to APEQ 2pro is to use the APEQ Communication Tool C1 If this tool is not available for your operating system or for any other reason you can use the standard operating system means for file copying to write the filter files to APEQ 2pro This chapter shows how to do it in Windows but the general principles are the same also for other operating systems Open Windows Explorer and find device disk It may be easily found by device volume label which by default contains part of device serial number if not changed by user see Device Identification chapter See picture 3 3 1 for an example of APEQ disk You may additionally check if device is correct by opening device identification file Backup both channel files FIR or WAV files to PC if needed Remove channel files from APEQ Mass Storage disk Copy new files for each channel from PC File for each channel must have first name letter equal with channel number 1 for channel 1 2
20. tor This interface provides service functions and is not used for device configuration or operation Analogue Inputs Outputs Each of the two inputs provides balanced analog audio input connection using female XLR and 1 4 TRS connectors Each of the two outputs provides balanced analog audio output connection using male XLR and 4 TRS connectors 2 3 HARDWARE INSTALLATION Mechanical Installation If the unit is likely to undergo extreme vibration through extensive road trucking and touring the unit must be supported at the rear and or sides to lessen the stress on the front mounting flange The necessary support can generally be bought ready built as a rack tray or the APEQ 2pro unit can be mounted between other units Damage caused by insufficient support is not covered by the warranty To prevent cosmetic damage to the front panel finish use protective plastic cups under the rack mounting bolts Connecting device to electrical network Connect MAINS connector Back Panel picture 2 2 to AC DC electrical network using appropriate cable for your country standard Connecting the Host PC Reconfiguration of the APEQ 2pro device is implemented using software on the Host PC therefore if device needs to be reconfigured it must be connected to the Host PC using USB interface Connect APEQ 2pro to any USB port on the Host PC using the included USB A Male to B Male cable If you plan to read or log the extended information fro
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