460 Presentation Audio Mixer
Contents
1. Control the 460 by Using These Menus ACCESS THIS MENU FROM LCD DISPLAY MENU HAS CONTROL SETTINGS FOR Serial Control Setup and Options Menu Serial ports Basic or full expert display of Main menu Stereo or mono mode for mic line inputs Selection of preset that loads when 460 is powered up Remote control pot calibration Main Menu Inputs and outputs Test oscillator type frequency and level Presets Front Panel Lock Security Create Presets to Run On the 460 You can create up to 8 presets or programs to run on the 460 Presentation Audio Mixer To create and save a preset To load a preset To save an edited preset 1 Specify settings for the appropri ate menu options in the Serial Control and Options menu and in the Main menu 2 Inthe Main menu under Edit Pgm Name give your preset a unique name optional 3 Tap LOAD SAVE then press and hold it again 1 Turn SELECT to choose a preset 1 Tap LOAD SAVE once then hold Fas For additional information see in 2 Tap LOAD SAVE twice to run the this section the topic Overview of selected preset Front Panel To select the preset you want the 460 to run when it powers up 1 In the Security Control Setup and Options menu press NEXT to locate Powerup State 2 Turn ADJUST to select the desired program or preset number 3 Press EXIT to save setting and exit menu The default setting Last Powerdown has the 4602. STEREO GAIN 1 HIPASS LOPASS Y N STEREO GATE GAIN 2 STEREO SUM GAIN 1 STEREO GAIN 2 STEREO GAIN 1 STEREO GAIN 2 SUM STEREO GAIN 1 SUM STEREO GAIN 2 _ GAIN 1 STEREO GAIN 2 CONFIGURATION LO SHELF MID FREQ HI SHELF LO SHELF MID FREQ HI SHELF LO SHELF MID FREQ HI SHELF LO SHELF MID FREQ HI SHELF LIMIT or AGC or COMPRESS LIMIT or AGC or COMPRESS LIMIT or AGC or COMPRESS LIMIT or AGC or COMPRESS GAIN MONO COMBINE MONO COMBINE STEREO OUT 1 ne STEREO OUT 2 27 Symetrix 460 Presentation Audio Mixer User s Guide SYMPTOM Troubleshooting PROBABLE CAUSE WHAT TO DO No output signal Check cables and connections to see if Outputs are driving inputs and inputs are fed from outputs Signal coming from the source s and that it is getting to the 460 The signal chain after the 460 is functioning Check to see that the LCD display is illuminated If signal is present and the downstream system is operative check level settings at inputs and outputs to ensure that they are not muted or atten uated sufficiently to make the 460 appear dead Hum or buzz in output Check input connector wiring Check output connector wiring If present in Inputs 3 or 4 try connecting the chassis of the source equip ment to the chassis of the 460 Check for a ground loop problem Inspect related syst
3. Symetrix 460 Presentation Audio Mixer U S E R U I D E 460 Presentation Audio Mixer User s Guide December 2000 Symetrix Inc All rights reserved Printed in the United States of America Symetrix Part Number 53460 0A00 The information in this guide is subject to change without notice Symetrix Inc shall not be liable for technical or edito rial errors or omissions contained herein nor is it liable for incidental or consequential damages resulting from the furnishing performance or use of this material Mention of third party products is for informational purposes only and consti tutes neither an endorsement nor a rec ommendation Symetrix assumes no responsibility with regard to the perfor mance or use of these products Under copyright laws no part of this user guide may be reproduced or trans mitted in any form or by any means electronic or mechanical without per mission in writing from Symetrix Inc If however your only means of access is electronic permission to print one copy is hereby granted Permission to copy the Architects and Engineers Specificia tions for written proposals specifying equipment for sound reinforcement sys tems is also granted Product names mentioned herein may be trademarks and or registered trade marks of their respective companies Symetrix Inc 6408 216th St SW Mountlake Terrace WA 98043 USA Tel 425 778 7728 Fax 425 778 7727
4. Web symetrixaudio com Email sales symetrixaudio com Symetrix 460 Presentation Audio Mixer User s Guide What s Inside Before You Begin What Ships in the Box Getting Help Optional Accessories Notational Conventions in this User Guide Operator Safety Summary Equipment Markings Product Summary and Features Checklist of Tasks for Hardware Connections and System Setup Making Hardware Connections Overview of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selection Connecting a Remote Volume Control Connecting Serial Devices Connecting a Panja or Crestron Control System Input and Output Connector Wiring Input and Output Level Strapping System Setup Overview of Front Panel How System Setup Works Serial Control Setup and Options Menu Main Menu Front Panel Lock 10 11 12 13 14 15 16 17 17 19 20 22 25 Signal Flow Diagram Showing Mono Mic Line Showing Stereo Mic Line Troubleshooting Hardware Specifications Architects and Engineers Specifications Warranty Service Where to Get Service In Warranty Repairs Out of Warranty Repairs To Get Your 460 Unit Repaired If You Don t Have Factory Packaging Materials Declaration of Conformity 26 26 27 28 30 32 33 34 34 34 34 34 34 35 Symetrix 460 Presentation Audio Mixer User s Guide What Ships in the Box Getti
5. Connecting a Panja or Crestron Control System Connecting Serial Devices Input and Output Connector Wiring Input and Output Level Strapping Overview of Rear Panel Connectors continued CONNECTION CONNECTOR TYPE WHAT IT DOES STEREO INPUTS 5 and 6 Euroblock Balanced inputs intended for professional 4 dBu signal levels 20 k ohms balanced bridging line inputs If connecting unbalanced sources see in this section Input and Out put Connector Wiring To change the inputs to accept 10 dBV levels see in this sec tion Input and Output Level Strapping STEREO INPUTS 3 and 4 RCA female Unbalanced inputs intended for consumer devices operating at 10 dBV signal levels MONO INPUTS 1 and 2 Euroblock Balanced bridging inputs for the 460 These inputs can accept microphone level signals as well as line level signals 12 V phantom powering is avail able switched to these inputs GAIN Switches 8 pole DIP switch Setting DIP Switches SWITCH SWITCH POSITION Phantom 12 V DOWN All switches UP 14 dB line gain DOWN 50 dB mic gain DOWN 60 dB mic gain DOWN Adjusts gain for Mono Inputs 1 and 2 to accommodate mic or line level sources The dB num bers refer to the amount of gain supplied by the input amplifier ACCOMMODATES Condenser microphones and other devices 4 line level sources 10 dbV line level sources For high output mics For low output mics Symetrix 460 Present
6. Last Powerdown selects the last preset run by the 460 when power was removed 21 Symetrix 460 Presentation Audio Mixer User s Guide System Setup Overview of Front Panel How System Setup Works Serial Control Setup and Options Menu Main Menu Front Panel Lock Access this menu by pressing either PREVIOUS or NEXT If the Serial Control Setup amp Options menu is displayed press EXIT then press either PREVIOUS or NEXT Navigate using PREVIOUS NEXT Rotate ADJUST to select a specific value or choice To save settings and exit menu press EXIT To save an edited Preset tap SAVE once then press and hold SAVE ROTATE ADJUST TO SELECT PRESS NEXT TO SELECT MENU FEATURE VALUE OR CHOICE DESCRIPTION Program 1 Preset 1 Preset name and number default screen Turn SELECT to choose a preset from 1 to 8 Tap LOAD SAVE twice to run the selected preset IN 1 IN 2 Inputs 1 and 2 High Pass ON OFF Attenuates excess low frequency infor mation 125 Hz 6 dB octave Use to improve clarity or where the loudspeaker system can t reproduce the bass frequencies Low Pass ON OFF Attenuates excess high frequency infor mation 6 kHz 6 dB octave Use to quiet a noisy source or to reduce sibilance from a microphone signal Gate Thresh Disabled Mutes input when signal level falls below 99 5 dBFS to 0 dBFS threshold Use to quiet noisy sources or to provide a crude sort of auto mixing Gate Dep
7. Output Mid BW M e Set Output Mid Gain M e 2 e Set Output High Shelf M e Set Output Dynamics Mode M Set Output Level M e Select Output Mode M Test Oscillator M Edit Program Name M Specify Control Destination M SECURITY Specify Front Panel Lock S Security Control Setup and Options menu Available when Expert is selected for FP Control M Main menu Mode in the Serial Control Setup and Options menu Symetrix 460 Presentation Audio Mixer User s Guide Making Hardware Connections Overview of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selection Connecting a Remote Volume Control Connecting a Panja or Crestron Control System Connecting Serial Devices Input and Output Connector Wiring Input and Output Level Strapping STEREO INPUTS CONNECT TO SYMETRIX PS3 OR PSE POWER HHHHBH SUPPLY ONLY 3 x HHBHHBH REMOTE VOLUME nsus REMOTE PRESET SELECT STEREO OUTPUTS KO 2 1 2R a 1R ES eL 5R 5L fF TF TE 4a t bethsshssha2t h th th th t h h th h of 8 8 Overview of Rear Panel Connectors CONNECTION CONNECTOR TYPE WHAT IT DOES Power Input 7 pin DIN female Accepts power only from Symetrix PS
8. Presentation Audio Mixer Locate the file 460 Command Protocol to download Send an email to tech symetrixaudio com Request the file 460 Command Protocol The 460 has 2 way communication with the controller Parameter settings and signal settings can be changed both at the controller and at the 460 unit C H Computer necessary Touchscreen Touchscreen only for loading data controller interface into the touchscreen controller interface 14 Symetrix 460 Presentation Audio Mixer User s Guide Making Hardware Connections Overview of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selection Connecting a Remote Volume Control Connecting a Panja or Crestron Control System Input and Output Connector Wiring Input and Output Level Strapping Input and Output Connector Wiring Connecting Serial Devices Input Connections These connectors are designed for use with bare wire Do not tin strand wires before inserting them into the connectors For Unbalanced Connections Connect the input terminal to the source ground at the source Feeding unbalanced inputs directly from balanced outputs is not recom mended due to the possibility of ground loops You may want to use the Symetrix 307 isolation trans former to break the ground connec tion and eliminate the g
9. WHAT TO DO 460 doesn t respond to remote control RS232 or RS485 Check serial communications setting in Serial Control Setup and Options menu Check Device Address Check Serial Port Type Check Interface Baud setting Check if port on the sending device works Check for flashing COMM LED indicating that 460 is receiving and sending data Remote preset recall doesn t work Check if remote switch provides a momentary contact closure Check Front Panel Lock setting I give up Let s go back to square 1 How do I do CTRL ALT DEL on this thing 1 Mute the sound system Are you sure that it is muted 2 Remove power to the 460 unplug the DIN connector 3 Disconnect the outputs These actions will put the unit into a factory test mode with a 1 dBSF test signal on the outputs 4 Press and hold the PREVIOUS NEXT and EXIT buttons while simulta neously plugging in the power connector 5 After the LEDs stop flashing remove and restore power to the 460 once more You will lose all settings in the 460 29 Symetrix 460 Presentation Audio Mixer User s Guide Hardware Specifications Audio Performance A D and D A Converter Resolution Internal Sampling Frequency Remote Control Serial Communication Protocols Baud Rates Voltage Control for Master Volume Program Control Input Channels 1 and 2 Type Connector Type Frequency Response THD N Available Preamp Gain Settings Dynamic Ra
10. load the last preset it used when powered down 19 Symetrix 460 Presentation Audio Mixer User s Guide System Setup Overview of Front Panel How System Setup Works Serial Control Setup and Options Menu Main Menu Front Panel Lock Serial Control Setup and Options Menu Access this menu by pressing and holding EXIT Navigate using PREVIOUS NEXT Rotate ADJUST to select a specific value or choice To save settings and exit menu press EXIT ROTATE ADJUST TO SELECT PRESS NEXT TO SELECT MENU FEATURE VALUE OR CHOICE DESCRIPTION Device Address 1 to 127 Select a unique device address for each serial device in the installation Serial Port RS232 RS485 Select one Interface Baud 9600 19200 38400 Select serial communications speed 57600 115200 CTL1 Pot Offset 1 00 to 1 00 CTL2 Pot Offset Adds an offset to the remote control input value Use with a source whose minimum value does not go to zero or whose maximum value does not go to 10 V The number inside the square brackets in the display shows the value that the 460 reads scaled from 0 00 to 1 00 The number at the lower left in the LCD display indicates the offset value sup plied by ADJUST Start with this value at 0 00 With the external control at its minimum setting turn ADJUST so the reading inside the square brackets is 0 00 or as close to it as possible CTL1 Pot Mult 0 00 to 4 00 CTL2 Pot Mult Multiplies the signa
11. upgrades to Product purchased by Buyer Symetrix does not authorize any third party including any dealer or sales representative to assume any liability effect any repairs or modifications to the Product or make any additional warranties or representa tion regarding the Product or Product information on behalf of Symetrix Symetrix s total liability on any claim whether in contract tort including neg ligence or otherwise arising out of con nected with or resulting from the manufacture sale delivery resale repair replacement or use of Product will not exceed the purchase price of the Product or any part thereof which gives rise to the claim In no event will Syme trix be liable for any incidental or conse quential damages including but not limited to damage for lost revenue cost of capital claims of customers for ser vice interruptions or failure to supply and costs and expenses incurred in con nection with labor overhead transporta tion installation or removal of products or substitute facilities or supply houses as a result of Product failure This limited warranty gives Buyer certain rights Buyer may have additional rights under applicable law Symetrix 460 Presentation Audio Mixer User s Guide Where to Get Service If outside of the USA If you have determined that your 460 requires repair services and you live outside of the United States please contact your local Symetrix dealer or distribu
12. 3 or PS 3E power supply RS232 SLAVE PORT DB 9 male Serial data port connects down stream 460s RS232 HOST PORT DB 9 female Serial data connects remote sys tems such as Panja or Crestron REMOTE VOLUME Euroblock Connections for 2 potentiometers 10 k to 100 k value linear taper Use to remotely control the output level of each output channel of the 460 This is a DC control signal there is no audio present here RS485 Euroblock RS485 serial data port Select either the RS232 ports or the RS485 port REMOTE PRESET SELECT Euroblock 8 active low inputs for momentary SPST single pole single throw switching to ground STEREO OUTPUTS Euroblock Delivers a differential balanced output at 300 ohms source imped ance The output stage is a pair of opamps with the and out put terminals at 180 anti phase with each other It emulates a grounded center tap transformer The series build out resistors are 150 ohms in each leg If connecting unbalanced sources see in this section Input and Out put Connector Wiring To change the outputs to deliver 10 dBV levels see in this sec tion Input and Output Level Strapping Symetrix 460 Presentation Audio Mixer User s Guide Making Hardware Connections Overview of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selection Connecting a Remote Volume Control
13. BW 0 05 to 3 octaves Bandwidth for midrange control Mid Gain 12 dB Parametric midrange control for output Hi Shelf 12 dB Treble control for output 8 kHz 6 dB octave Dynamics Bypass Disables Dynamics processing Limit Thresh 0 dBFS to 99 5 dBFS Threshold for output limiter Disabled Ratio 1 1 Disabled 20 1 Ratio for Limiter Compress Thresh 0 dBFS to 99 5 dBFS Threshold for output compressor Disabled Ratio 1 1 Disabled 20 1 Ratio for Compressor Makeup Gain O dB to 24 dB Compressor makeup gain Menu option available when Expert is selected for FP Control Mode in the Serial Control Setup and Options menu 23 Symetrix 460 Presentation Audio Mixer User s Guide System Setup How System Setup Works Front Panel Lock Overview of Front Panel Serial Control Setup and Options Menu Main Menu continued Main Menu PRESS NEXT TO SELECT MENU FEATURE ROTATE ADJUST TO SELECT VALUE OR CHOICE DESCRIPTION OUT 1 OUT 2 continued Stereo outputs 1 and 2 AGC Target Level Autorel Ratio Level Mode 0 dBFS to 99 5 dBFS Disabled Level at which the AGC maintains con stant signal levels with all program sig nals Usual setting is from 18 dBFS to 25 dBFS 0 dBFS to 99 5 dBFS Disabled Auto release level for AGC Prevents noise pumping Program level must be above selected value to trigger AGC action The usual setting is 20 dB below the targe
14. D ARISING BY LAW OR OTH ERWISE INCLUDING WITHOUT LIMITA TION ANY OBLIGATIONS OF THE SELLER WITH RESPECT TO CONSEQUENTIAL DAMAGES INCLUDING THE WARRAN TIES OF MERCHANTABILITY AND FIT NESS FOR USE AND OF ALL OTHER OBLIGATIONS OR LIABILITIES ON OUR PART AND WE NEITHER ASSUME NOR AUTHORIZE ANY OTHER PERSON TO ASSUME FOR US ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THE PRODUCT THIS WARRANTY SHALL NOT APPLY TO THIS PRODUCT OR ANY PART THERE OF WHICH HAS BEEN SUB JECT TO ACCIDENT NEGLIGENCE ALTERATION ABUSE OR MISUSE WE MAKE NO WARRANTY WHATSOEVER IN RESPECT TO ACCESSORIES OR PARTS NOT SUPPLIED BY US THE TERM ORIG INAL PURCHASER AS USED IN THIS WARRANTY SHALL BE DEEMED TO MEAN THAT PERSON OR COMPANY THAT ORIG INALLY PURCHASED THE PRODUCT 33 This Symetrix product has been designed and manufactured for use in professional industrial systems and is not intended for other usage This war ranty only applies to Buyers using the Product professional industrial systems With respect to others including but not limited to consumers for personal fam ily or household use Symetrix expressly disclaims all warranties including but not limited to warranties of merchant ability and fitness for a particular pur pose and the express warranties as otherwise provided herein Symetrix reserves the right to modify the design or make additions to or improvements to its product lines with out making similar
15. ELECT MENU FEATURE ROTATE ADJUST TO SELECT VALUE OR CHOICE DESCRIPTION CTL 1 Destinationt CTL 2 Destination Choices when Inputs 1 and 2 are selected Separate Mono in CH s 1 amp 2 Mode Off Out 1 Gain Out 2 Gain Out 1 and 2 Gain In 1 Gain In 2 Gain In 1 and 2 Gain In 3 and 4 Gain In 5 and 6 Gain In 3 to 6 Gain Choices when Inputs 1 and 2 are selected as Combined Stereo in CH s 182 Mode Off Out 1 Gain Out 2 Gain Out 1 and 2 Gain In 1 and 2 Gain In 3 and 4 Gain In 5 and 6 Gain In 3 to 6 Gain Determines which gain control or groups of controls the remote potenti ometer is assigned to When the display reads Out 1 and 2 Gain the remote potentiometer controls the output of both stereo outputs simultaneously t Has priority over CTL2 Destination in such instances when CTL1 and CTL2 are set to control the same port ie when CTL1 is set to In 3 and 4 Gain and CTL2 is set to In 3 and 4 Gain Front Panel Lock To gain access to this security feature press PREVIOUS and NEXT for 5 seconds To save settings and exit menu press EXIT To unlock the front panel press PREVIOUS and NEXT for 5 seconds then select Unlocked MENU FEATURE ROTATE ADJUST TO SELECT VALUE OR CHOICE DESCRIPTION Front Panel Lock Unlocked Save Program Prevents saving a program preset All Except Load Prevents changing the parameters of a preset Only can load a preset Al
16. Press NEXT to display the menu option Interface Baud 2 Rotate ADJUST to select either 9600 19200 38400 57600 or 115200 baud 3 Press EXIT to save settings amp Using only RS232 e Using only RS485 os tri AO antra peras bus np C Touchscreen Controller 13 Touchscreen Controller Symetrix 460 Presentation Audio Mixer User s Guide Making Hardware Connections Overview of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selection Connecting a Remote Volume Control Connecting a Panja or Crestron Control System Connecting Serial Devices Input and Output Connector Wiring Input and Output Level Strapping onnecting a Panja or estron Control System You can control the 460 through the RS232 or RS485 ports using a Panja Crestron or other compatible controller or computer The 460 parameters and signal lev els can be read and displayed by external remote systems You can get from Symetrix the control codes in the following ways e Visit symetrixaudio com Go to the product page for the 460
17. T REMOTE VOLUME 2 1 REMOTE PRESET SELECT Potentiometer Symetrix RC 3 12 Symetrix 460 Presentation Audio Mixer User s Guide Making Hardware Connections Overview of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selection Connecting a Remote Volume Control Connecting a Panja or Crestron Control System Input and Output Connector Wiring Input and Output Level Strapping onnecting Serial Devices Connecting Serial Devices You can connect a Panja or Crestron controller interface or additional 460 units to the 460 Presentation Audio Mixer Choose either the RS232 or RS485 ports for connection See the illus tration on this page to view the 2 ways to connect serial devices You must assign a device address to each serial device you want to attach tothe460 The 460 ships with its device address set at 1 Assign a Device Address 1 Connect your serial device to the 460 2 Onthe front panel press and hold EXIT to gain access to the Serial Control Setup and Options menu The Device Address dis plays 3 Rotate ADJUST to select a unique number from 1 to 127 4 Repeatfor each serial device you want to connect to the 460 Choose the Port Setting 1 Press NEXT to display the menu option Serial Port Type 2 Rotate ADJUST to select either RS232 or RS485 Select the Serial Communi cations Speed 1
18. T Press to save changes to settings and exit menus Press and hold to access the Serial Control Setup and Options menu ADJUST Changes the selected parameter OUTPUT LED ladders Displays the level and status of each output 17 Symetrix 460 Presentation Audio Mixer User s Guide System Setup How System Setup Works Checklist of Tasks for System Serial Control Setup and Options Menu Main Menu Front Panel Lock Overview of Front Panel Setup Overview of Front Panel continued CONTROL CONTROL TYPE PRESET LEDs 1 thru 8 WHAT IT DOES Indicates the active preset If its LED is slowly flashing indi cates the preset has been edited settings are different from what was stored If 2 LEDs are lit one quickly flash ing and one not the nonflashing LED indicates the current preset while the flashing LED indicates the target of a SAVE or LOAD action SELECT Turn to choose a preset memory LOAD SAVE Tap twice to load and run a selected preset Tap once then hold to save an edited preset COMM LED light Flashes to indicate serial commu nications activity Use to verify connection to a com puter or touchscreen controller interface 18 Symetrix 460 Presentation Audio Mixer User s Guide Overview of Front Panel How System Setup Works Serial Control Setup and Options Menu Main Menu Front Panel Lock How System Setup Works System Setup
19. The authorized representative located within the European Community is World Marketing Associates P O Box 100 St Austell Cornwall PL26 6YU U K Date of issue January 2001 Place of issue Mountlake Terrace Washington USA Authorized signature Dane Butcher President 35
20. ation Audio Mixer User s Guide Making Hardware Connections Overview of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selection Connecting a Remote Volume Control Connecting a Panja or Crestron Control System Connecting Serial Devices Input and Output Connector Wiring Input and Output Level Strapping Basic Connection for a Boardroom Presentation System o Connect your line level sources Panja or Crestron PowerPoint control systems presentation DVD player Co ares fa recom Symetrix 93 D 2 A 2L 1R 1L 6R eL ATE E bot i het rere ae pap asap b tb REO INPUTS o INPUTS E aL 3L Pu sL RE l 4M 4 i i aot dE RRBBBBEHE SEBHHBRRHHHE HHEHERESSSHE RHHHEHHHHHHE AR 3R 460 Connect to AC power m e wall playback speakers voice speakers e Connect outputs to amplifiers EQs etc E m Z lectern mic wireless mic Connect microphones Set the DIP Switches as required Symetrix 460 Presentation Audio Mixer User s Guide Making Hardware Connections Overview of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selec
21. em equipment grounding to see that all system components are on the same AC ground Distortion Check input signals for distortion Check if input signal is too hot Check if output signal is too hot Use the OUTPUT LED meters Ensure that something downstream isn t clipping Mic inputs distortion Noise hiss Lower the gain setting for Inputs 1 or 2 applicable only to Inputs 1 and 2 Check input signal levels and level control settings Check to see if the source signal is noisy Check if there is too much gain downstream by using the output level con trols of the 460 at Mute Intermittent input signal Check input downward expander gate The threshold setting may be too high Output doesn t get hot enough Check settings on output Compressor or Limiter Check OUTPUT LEDs for illuminated COMP LED Check ratio settings they may be set too high Check setting for Compress Makeup Gain it may be too low Check if Compress Threshold is set too low Output stripped of dynamics Remote volume controls AGC Compressor or Limiter working too well Check setting for Compress Threshold Check ratio settings For AGC usage 3 1 or less are good ratio settings Check CTL Destination settings in Main menu Check CTL Offset and Mult in Serial Control Setup and Options menu 28 Symetrix 460 Presentation Audio Mixer User s Guide SYMPTOM Troubleshooting continued PROBABLE CAUSE
22. er 31 Symetrix 460 Presentation Audio Mixer User s Guide Architects and Engineers Specifications The Presentation Audio Mixer PAM shall provide all of the following audio mixing processing and control func tions All mixing processing and control shall be accom plished through digital signal processing DSP Functions and features provided e 2 mono inputs accept microphone or line level sig nals may be operated ganged stereo or separated mono These inputs provide 12 V phantom powering 2 stereo inputs accept consumer 10 dBV line level signals 2 stereo inputs accept 4 dBu or 10 dBV line level signals 2 stereo outputs accessible from any input at 4 dBu or 10 dBV nominal load All inputs have high pass and low pass filtering downward expanders gates and separate level controls for outputs 1 and 2 All outputs have 3 band equalization low and high shelves with parametric mid band All outputs have AGC compression or limiting dynamics processing available All outputs have stereo level controls and may be remote voltage controlled Each pair of outputs may be set to receive a mono sum of its inputs Remote program recall using active low contact closures Remote control using RS232 or RS485 protocols 32 The PAM shall utilize 24 bit Sigma Delta A D and D A converters operating at 48 kHz sample rate The PAM shall have 4 balanced symetrical line inputs 4 unbal anced li
23. er servicing to qualified service personnel Il ne se trouve a l interieur aucune piece pourvant entre repar e l usager S adresser a un reparateur comp tent The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user of the presence of uninsulated danger ous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The excla mation point within an equilateral triangle is intended to alert the user of the presence of important operat ing and maintenance servicing instructions in the literature accom panying the product i e this user guide CAUTION To prevent electric shock do not use the polarized plug supplied with the unit with any extension cord receptacle or other outlet unless the prongs can be fully inserted Symetrix 460 Presentation Audio Mixer User s Guide Product Summary and Features THE SYMETRIX 460 PRESENTATION AUDIO MIXER is the hub Two independent stereo outputs accommodate routing of the presentation system Two mono mic line inputs control for separate playback and voice systems Flexi for speech and voice sources 4 stereo line level inputs ble remote control options offer easy access to master 10 dBV or 4 dBu handle a wide range of sources volume control and preset recall Easy Configuration Streamlined menus on the front panel LCD to configure mixing routing level dynam
24. f professional service technicians only 16 Symetrix 460 Presentation Audio Mixer User s Guide System Setup Checklist of Tasks for System Main Menu Front Panel Lock Overview of Front Panel Setup How System Setup Works Serial Control Setup and Options Menu MENU OUTPUT G Jom ow aO PREVIOUS NEXT EXT STE o 9 PRESENTATION AUDIO MIXER Overview of Front Panel PRESET um LOAD SAVE C CONTROL CONTROL TYPE WHAT IT DOES SETUP LCD menu display Two line setting shows levels and settings of selected menu option These menus control the 460 Serial Control Setup and Options Menu Controls settings for the serial ports basic or full display of Main menu stereo or mono mode for mic line inputs selection of preset that loads when 460 is powered up remote control pot calibration Access this menu by pressing and holding EXIT Main Menu Controls all the other settings for the 460 Access this menu by pressing PREVIOUS or NEXT Front Panel Lock Controls access to the 460 set tings To access press NEXT and PREVIOUS PREVIOUS Press to select the previous menu item Press and hold with NEXT to access Front Panel Lock feature NEXT Press to select the next menu item Hold to move through menu items Press and hold with PREVIOUS to access Front Panel Lock feature EXI
25. h stereo output has stereo level controls Mono Stereo Selection Each stereo output may be set to provide two mono sums of the signals assigned to it Remote Control Options Rear panel RS232 and RS485 ports allow Panja or Crestron controllers to select presets change levels routing and other parameters Inputs for remote selection of presets Inputs for remote rotary pot level controls Tamper proof Front panel lockout mode Symetrix 460 Presentation Audio Mixer User s Guide Checklist of Tasks for Hardware Connections and System Setup REQUIRED RECOMMENDED OPTIONAL TASK TO DO HARDWARE e Connect input devices CONNECTIONS e Connect output devices Connect serial devices Input and output level strapping Connect remote program change switches Connect remote volume control pots Connect to Panja or Crestron control systems e Connect to AC power supply SYSTEM SETUP Assign Device Address S Assign Serial Port Type S Select Interface Baud S Adjust remote control input CTL Pot Offset CTL Pot Mult S Select Channels 1 amp 2 Mode S Select FP Control Mode S Select Powerup State s e Set Input High Pass M Set Input Low Pass M e Set Input Gate Threshold M Set Input Gate Depth M e Set Input Level Bus 1 Bus 2 M N Set Output Low Shelf M TD gt 5 Set Output Mid Frequency M Set
26. ics settings and 8 nonvolatile presets Input Controls 2 mono mic line inputs for speech and voice sources 4 stereo line level inputs handle a wide range of sources for easy connec tions from professional or consumer 10 dBV level devices Levels from any input to the 2 outputs are separately adjustable Fully Assignable Inputs Stereo input channels can route signal into the 2 internal stereo buses Both mono input channels when operating inde pendently can route their signal into both sides of the stereo bus identi cally When operating as a stereo pair they function like the stereo input channels Filtering and Downward Expansion Mono inputs have 6 dB octave low pass and high pass filters available at 125 Hz and 8 kHz respectively plus selectable downward expansion with threshold adjustment Output Controls Dynamics Processing Choose AGC compression or limiting and set the active threshold AGC helps maintain a consistent output level The com pressor features a moderately fast attack slower release and a moderate compression level The limiter is peak sensing with fast attack and release times EQ Each stereo output section has 6 dB octave shelving filters with a boost cut range of 12 dB Each section also has a sweepable para metric equalizer with a 12 dB boost cut range 16 Hz to 20 kHz fre quency range and a bandwidth adjustable between 0 05 and 3 octaves Gain Eac
27. l Unit is locked from use 25 Symetrix 460 Presentation Audio Mixer User s Guide SHOWING MONO MIC LINE SHOWING STEREO MIC LINE STEREO 3 INPUT L STEREO 3 INPUT R STEREO 4 INPUT L STEREO 4 INPUT R STEREO 5 INPUT L STEREO 5 INPUT R STEREO 6 INPUT L STEREO 6 INPUT R LL LL I LI j L T MIC LINE PREAMP MIC LINE PREAMP HIPASS LOPASS GATE HIPASS LOPASS GATE STEREO GAIN 1 STEREO GAIN 2 STEREO GAIN 1 STEREO GAIN 2 STEREO GAIN 1 STEREO GAIN 2 STEREO GAIN 1 GAIN can 3n SUM E GAIN 2 LO SHELF MID FREQ HI SHELF LO SHELF MID FREQ HI SHELF LO SHELF MID FREQ HI SHELF LO SHELF MID FREQ HI SHELF LIMIT or AGC or COMPRESS LIMIT or AGC or COMPRESS LIMIT or AGC or COMPRESS LIMIT or AGC or COMPRESS GAIN GAIN MONO COMBINE MONO COMBINE STEREO OUT 1 Hel STEREO OUT 2 ne e LES Symetrix 460 Presentation Audio Mixer User s Guide SHOWING STEREO MIC LINE SHOWING MONO MIC LINE MONO 1 INPUT MONO 2 INPUT STEREO 3 INPUT L STEREO 3 INPUT R STEREO 4 INPUT L STEREO 4 INPUT R STEREO 5 INPUT L STEREO 5 INPUT R STEREO 6 INPUT L STEREO 6 INPUT R LI LI a L L L MIC LINE PREAMP MIC LINE PREAMP HIPASS LOPASS GATE WITH INPUTS 1 AND 2 IN COMBINED STEREO MODE
28. l from the remote potentiometer to encompass the entire control range required The number inside the square brackets shows the maximum value of the remote control signal that the 460 reads multi plied by the scale factor supplied by ADJUST The number at the lower left in the LCD display indicates the multiplier value supplied by ADJUST With the external signal at its maximum value rotate ADJUST to make the value shown in the square brackets read 1 00 or as close to it as possible 20 Symetrix 460 Presentation Audio Mixer User s Guide System Setup Overview of Front Panel How System Setup Works Serial Control Setup and Options Menu Main Menu Front Panel Lock Serial Control Setup and Options Menu continued ROTATE ADJUST TO SELECT PRESS NEXT TO SELECT MENU FEATURE VALUE OR CHOICE DESCRIPTION CH s 1 amp 2 Mode Combined Stereo Control channels 1 and 2 like one of the stereo channels and mix to the left and right buses separately Separate Mono Control channels 1 and 2 individually and mix to the center of the 2 stereo buses FP Control Mode Basic Expert Expert mode reveals additional controls in the Main menu Input Gate Depth Dynamics Limit Ratio Dynamics Compress Ratio AGC Autorelease Test Oscillator Type Test Oscillator Frequency Test Oscillator Level Powerup State Program 1 to 8 Last Powerdown Determines the program loaded when the 460 is powered up
29. n this User Guide Operator Safety Summary Equipment Markings Operator Safety Summary Follow all warnings and instructions Install in accordance with the man ufacturer s instructions Power Source This product is intended to operate from a Symetrix PS 3 or PS 3E power supply Grounding The chassis of this product is grounded through the grounding conductor of the PS 3 or PS 3E power cord To avoid electric shock plug the power cord into a properly wired receptacle before making any connections to the product A protective ground con nection by way of the grounding conductor in the power cord is essential for safe operation Do not defeat the safety purpose of the grounding plug The grounding plug has two blades and a third ground ing prong The third prong is pro vided for your safety When the provided plug does not fit your out let consult an electrician for replacement of the obsolete outlet Danger from Loss of Ground If the protective ground connection is lost all accessible conductive parts including knobs and controls that may appear to be insulated can render an electric shock Proper Power Cord Use only the power cord and connector specified for the product and your operating locale Use only a cord that is in good condition Protect the power cord from being walked on or pinched particularly at the plug convenience receptacle and the point where the cord exits from the apparatus Operati
30. ne inputs and 4 balanced line outputs All audio I O connections shall utilize Euroblock connectors with the exception of the unbalanced line inputs which shall utilize RCA female connectors The PAM shall be UL listed and CE approved The PAM shall occupy one unit of rack space The PAM shall be the Symetrix 460 Presentation Audio Mixer Symetrix 460 Presentation Audio Mixer User s Guide Symetrix Inc expressly warrants to the original purchaser Buyer subject to the terms and conditions set forth below that the Product will be free from defects in material and workmanship as a result of normal commercial use for 18 months from the date of shipment Symetrix s warranty obligation is limited to the repair replacement or refund at Symetrix s sole discretion of the part or parts of the Product which may thus prove defective in materials or work manship within 18 months from date of shipment under normal use and which our examination discloses to our satisfaction to be thus defective provided that Buyer gives Symetrix prompt notice of its warranty claim and satisfactory proof thereof Symetrix will make every reasonable effort to ensure that parts are available to support the repair of our products under warranty In the event that a product or component part thereof becomes obsolete unavailable or irrepa rable Symetrix reserves the right to refund a prorated portion of the pur chase price in full satisfacti
31. ng Help Optional Accessories Notational Conventions in this User Guide Operator Safety Summary Equipment Markings What Ships in the Box M The 460 unit M One PS 3 or PS 3E export version power supply M This user s guide Before You Begin Getting Help If you have questions beyond the scope of this guide contact our Technical Services Group in the following ways T 425 778 7728 8 00 am to 4 30 pm Monday through Friday Pacific Time 425 778 7727 tech symetrixaudio com symetrixaudio com Optional Accessories MODEL ITEM DESCRIPTION RC 3 Remote Control Controls one volume channel Contact your dealer or Symetrix for purchasing information Notational Conventions in this User Guide Note Identifies information that needs extra emphasis Generally supplies extra information to help you to better use the 460 CAUTION Identifies information that if ignored may cause damage to the 460 unit or other equipment in your system WARNING Identifies information that if ignored may be hazardous to your health or that of others CAPS Controls switches or other markings on the chassis of the 460 Bold Face Indicates menu option in the 460 LCD display Underline Indicates topic in a section where you will find additional information Symetrix 460 Presentation Audio Mixer User s Guide Before You Begin What Ships in the Box Getting Help Optional Accessories Notational Conventions i
32. ng Location Do not oper ate this equipment under any of the following conditions explosive atmospheres in wet locations in inclement weather improper or unknown AC mains voltage or if improperly fused Do not install near any heat source such as radia tors heat registers stoves or other apparatus including amplifiers that produce heat Unplug this apparatus during lightning storms or when unused for long periods of time Stay Out of the Box To avoid per sonal injury or worse do not remove the product covers or pan els Do not operate the product without the covers and panels prop erly installed Only use accessories specified by the manufacturer Clean only with a damp cloth User Serviceable Parts There are no user serviceable parts inside the 460 In case of failure refer all ser vicing to the factory Servicing is required when the 460 has been damaged in any way such as when a power supply cord or plug is dam aged liquid has been spilled or objects have fallen into the appara tus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped Equipment Markings A TO REDUCE THE RISK OF FIRE OR RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING ELECTRIC SHOCK DO Nor EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE RISQUE DE CHOC ELECTRIQUE AVIS NE PAS OUVRIR SEE OWNERS MANUAL VOIR CAHIER D INSTRUCTIONS No user serviceable parts inside Ref
33. nge Maximum Input Level Preamp CMRR Phantom Power High Pass Filter Low Pass Filter Gate Threshold Input Channels 3 and 4 Type Connector Dynamic Range Frequency Response THD Input Channels 5 and 6 Type Connector Dynamic Range Frequency Response THD Maximum Input Level Common Mode Rejection Ratio 24 bit 48 kHz RS232 and RS485 9600 19200 38400 57600 115200 Accepts DC signal from remote potentiometer or other device Voltage may be offset and scaled to fit requirements A built in 10 V reference supply is provided for potentiometer use 8 active low momentary switch closures select stored programs 1 to 8 Balanced with additional gain for microphone and 12 V phantom power Euroblock 0 25 dB 20 Hz to 20 kHz at line level 0 005906 at 1 dBFS 0 dB to 4 dBu line level 14 dB to 10 dBV line level 50 dB microphone level 60 dB microphone level 104 dBFS A weighted at line level gains gt 85 dBFS at 60 dB gain 22 dBu 4 dB preamp gain 8 dBu 14 dB preamp gain 38 dBu 50 dB preamp gain 38 dBu 60 dB preamp gain gt 40 dB at 60 Hz 12 V switchable 125 Hz 6 dB octave 6 kHz 6 dB octave 0 dBFS to 99 dBFS Stereo unbalanced nominal 10 dBV line level RCA female 100 dBFS A weighted 0 25 dB 20 Hz to 20 kHz 0 005 at 0 dBV 1 kHz Stereo balanced nominal 4 dBu line level Internally switchable to 10 dBV Euroblock 100 dBFS A weighted 0 25 dB 20 Hz t
34. o 20 kHz 0 005 at 0 dBV 1 kHz 22 dBu balanced gt 40 dB at 60 Hz 30 Symetrix 460 Presentation Audio Mixer User s Guide Output Channels 1 and 2 Type Connectors Source Impedance Dynamic Range Low Shelving bass Control High Shelving treble Control Parametric Filter Maximum Output Connections Hardware Specifications continued Stereo balanced ground referenced emulates grounded center tap Euroblock 300 ohms balanced 105 dB A weighted 1 kHz 12 dB 125 Hz 6 dB octave 12 dB 8 kHz 6 dB octave 12 dB 16 2 Hz to 19 7 kHz bandwidth 0 05 to 3 octaves 22 dBu balanced Power 7 pin DIN female Audio I O Euroblock and RCA female Inputs 3 and 4 Serial Data RS232 DB9 female host DB9 male slave RS485 Euroblock Remote Preset Recall Remote Volume Euroblock Inputs 1 and 2 Gain and Phantom Power 8 position DIP switch 4 per channel Physical Size H x W x D Weight Electrical Power Requirements PS 3 PS 3E 1 72 in x 19 in x 5 in 1 rack unit 4 369 cm x 48 26 cm x 12 70 cm 3 94 Ibs 1 77 kg 20 W maximum Symetrix PS 3 or PS 3E only 115 V nominal 60 Hz AC 230 V nominal 50 Hz to 60 Hz AC In the interest of continuous product improvement Symetrix Inc reserves the right to alter change or modify these specifications without prior notice For the latest specifications visit symetrixaudio com Go to the product page for the 460 Presentation Audio Mix
35. ol Each of the two stereo outputs and all inputs may have their gain remotely controlled You can con nect a potentiometer or the Syme trix RC 3 Remote Control to the REMOTE VOLUME connectors Select the Output or Input to Control From the LCD menu display select in the Main menu the option CTL Destination Select mic line mode either Separate Mono or Com bined Stereo and then select which inputs or outputs to control You can control one or two ports simultaneously following choices are found in Separate Mono mode Out 1 Gain Out 2 Gain Out 1 and 2 Gain In 1 Gain In 2 Gain In 1 and 2 Gain In 3 and 4 Gain In 5 and 6 Gain In 3 to 6 Gain x AU Q N Remote Volume Inputs Accept DC Control Voltage Connect a potentiometer or another device which generates voltage between the 10 V output and ground of the 460 The value of the potentiometer isn t critical any thing between 10 k and 100 k lin ear taper will do For best accuracy use the supplied 10 V reference at Pin 1 of the connector to drive the high side of the potentiometer Output of an External Source Can Be Scaled The LCD menu display has provi sions for scaling the output of an external source from whatever it is to 10 V To do this see in the sec tion System Setup under the topic Serial Control Setup and Options Menu the menu options CTL1 and CTL2 Offset and Mult Cropped Rear Panel View of 460 auo RS 232 SLAVE POR
36. on of all war ranty claims A refund of the purchase price is prorated as follows 100 through year one 80 through year two 60 through year three 40 through year four and 20 through year five Warranty In order to serve you better we request that the Buyer shall prior to shipping Product to Symetrix for warranty ser vice contact Symetrix and secure a Return Authorization Number that shall be included with the returned Product This will facilitate our efforts to keep track of your Product and process your warranty repair as quickly as possible Buyer will prepay all freight charges to ship the Product to Symetrix for war ranty inspection and service This war ranty is subject to Symetrix s inspection of the Product at its facilities and upon Symetrix s request satisfactory proof of purchase dated copy of original retail dealer s invoice Symetrix reserves the right to effect repairs to the product with reconditioned components parts Products once repaired under warranty will be shipped to Buyer freight prepaid by Symetrix via United Parcel Service surface or any similar shipper to any location desig nated by buyer within the Continental United States At Buyer s request and expense Product will be returned via air freight Outside the continental United States repaired or replaced products will be returned freight collect THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIE
37. ountlake Terrace WA 98043 If You Don t Have Factory Packaging Materials If you send us your product in substandard packaging we will charge you for factory shipping materials If you don t have the factory packaging materi als do the following 1 2 3 Select an oversized carton Wrap the unit in a plastic bag and surround it with bubble wrap Pack the box full of Styrofoam peanuts Be sure there is enough clearance in the carton to protect the rack ears We will return the unit in Symetrix packaging 34 Symetrix 460 Presentation Audio Mixer User s Guide Declaration of Conformity We Symetrix Inc 6408 216th St SW Mountlake Terrace Washington USA declare under our sole responsibility that the product 460 Presentation Audio Mixer to which this declaration relates is in conformity with the following standards EN55103 1 Electromagnetic compatibility Product family standard for audio video audio visual and entertainment lighting control apparatus for professional use Part 1 Emission EN 55103 2 Electromagnetic compatibility Generic immunity standard Part 1 Residential commercial and light industry PS 3E power supply complies with this code EN 60950 Safety requirements for mains operated electronic and related apparatus for household and similar general use The technical construction file is maintained at Symetrix Inc 6408 216th St SW Mountlake Terrace WA 98043 USA
38. round loop Output Connections These connectors deliver a differen tial balanced output signal mimics a grounded center tap transformer winding For Unbalanced Loads With unbalanced loads it is prefera ble to carry the low side of the input all the way back to the ground connection of the source Use the output terminal and the ground terminal Ignore float the output terminal Balanced Terminal Strip Balanced Female XLR Pin 1 Not Connected Pin 2 High Pin 3 Low Shield Tab Not Connected Balanced TRS Plug Tip High Ring Low Sleeve Shield Unbalanced TS Plug Tip High Sleeve Low Shield Unbalanced RCA Plug Tip High Sleeve Low Wire Shield Not Connected Balanced Male XLR Pin 1 Circuit Ground Pin 2 High Pin 3 Low Unbalanced TS Plug Tip High Sleeve Shield Wire Low Not Connected 15 CONNECTOR Input CHANNEL h i B Input h i gl 132 Input i gl TIP SLEEVE Input h um SLEEVE Input i zl Ejs Output 1 A Output HE um SLEEVE Symetrix 460 Presentation Audio Mixer User s Guide Making Hardware Connections Over
39. t level 1 1 Disabled 20 1 Ratio for AGC Compressor Ratios higher than 4 1 are not recom mended A warning symbol appears when ratio is higher than 4 1 Mute 90 dB to 18 dB Output 1 master gain control Stereo Mono Mono or stereo mode for Output 1 In mono mode both channels of an out put are the same left right mix of the sources Test Oscillator Type Sine White Pink Output signal select The oscillator signal mixes it does not preempt with signals from the other inputs Test Oscillator Frequency 16 2 Hz to 19 7 kHz Oscillator frequency sine only Test Oscillator Level Bus 1L Bus 1R Bus 2L Bus 2R Off 0 dBFS to 99 5 dBFS Oscillator level to Bus 1 Left output Off 0 dBFS to 99 5 dBFS Oscillator level to Bus 1 Right output Off 0 dBFS to 99 5 dBFS Oscillator level to Bus 2 Left output Off 0 dBFS to 99 5 dBFS Oscillator level to Bus 2 Right output Edit Pgm Name Use ADJUST to change character Use PREVIOUS and NEXT to move cursor Assign the preset a unique name Menu option available when Expert is selected for FP Control Mode in the Serial Control Setup and Options menu 24 Symetrix 460 Presentation Audio Mixer User s Guide System Setup How System Setup Works Front Panel Lock Overview of Front Panel Serial Control Setup and Options Menu Main Menu continued Main Menu PRESS NEXT TO S
40. th 100 dB to 0 dB Attenuation applied to input signal when the signal level is below the threshold level For microphone signals try 10 dB rather than off For below threshold signals the input will be 10 dB weaker For signals near the threshold level the gain change may seem less dramatic certainly better than on or off Menu option available when Expert is selected for FP Control Mode in the Serial Control Setup and Options menu 22 Symetrix 460 Presentation Audio Mixer User s Guide System Setup Overview of Front Panel How System Setup Works Serial Control Setup and Options Menu Main Menu Front Panel Lock Main Menu continued PRESS NEXT TO SELECT MENU FEATURE ROTATE ADJUST TO SELECT VALUE OR CHOICE DESCRIPTION IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 Inputs 1 to 6 Bus 1 Bus 2 Mute 90 dB to 18 dB Attenuation gain applied to the input signal The usual setting for this control is O dB Inputs 1 and 2 are universal mic line inputs The preamp gain setting is located on the rear panel Input 1 can be ganged with Input 2 for stereo sources When set for Stereo in Out 1 Mode Input 1 mixes left and Input 2 mixes right In Mono mode the two inputs mix equally to left and right outputs OUT 1 OUT 2 Stereo outputs 1 and 2 Low Shelf 12 dB Bass control for output 125 Hz 6 dB octave Mid Freq 16 2 Hz to 19 7 kHz Center frequency for midrange control Mid
41. tion Connecting a Remote Volume Control Connecting a Panja or Crestron Control System Input and Output Connector Wiring Input and Output Level Strapping Connecting Serial Devices onnecting a Remote Control for Preset Selection You can wire a remote switch to the 460 This allows you to recall the 8 presets with simple switches The 460 saves control settings to 8 preset programs These programs can be recalled by using the rear panel REMOTE PRESET SELECT con nections There are 8 individual connections Each active low input accepts a momentary contact closure to ground causing the 460 to load the saved preset program You can disable remote switching To do this see in System Setup the topic Front Panel Lock Connecting a Remote Switch Controller Cropped Rear Panel View of 460 REMOTE VOLUME RS485 REMOTE PRESET SELECT STEREO OUTPUTS 2R 2L 1R 8 7 615 413 p Remote Switch Controller Select your preset program 11 Symetrix 460 Presentation Audio Mixer User s Guide Making Hardware Connections Overview of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selection Connecting a Remote Volume Control Connecting a Panja or Crestron Control System Input and Output Connector Wiring Input and Output Level Strapping Connecting Serial Devices onnecting a Remote Volume Contr
42. tor for instructions on how to obtain service If inside the USA Symetrix will perform in warranty or out of warranty service on any product it has manufactured for a period of three years from date of discontinued manufacture If you reside in theUSA then proceed as follows In Warranty Repairs Repairs made in warranty will cost you only one way freight charges We ll prepay the return surface freight Of course if the repair is due to operator error parts and labor will be charged If there are charges for the repair costs you will pay for the return freight All charges will be COD unless you have made other arrangements prepaid Visa or Mastercard Out of Warranty Repairs If the warranty period has passed you ll be billed for all necessary parts labor packaging materials and freight charges Service To Get Your 460 Unit Repaired USA Customers Only Call our Technical Services Group for a return authorization RA number 425 778 7728 Monday through Friday 8 00 am to 4 30 pm Pacific Time Have your serial number ready to give to the service representative Pack the unit in its original packaging materials 4 Include your name address daytime telephone number and a brief statement of the problem Write the RA number on the outside of the box 6 Ship the unit to Symetrix freight prepaid We do not accept freight collect shipments Symetrix Inc 6408 216th St SW M
43. view of Rear Panel Connectors Basic Connection for a Boardroom Presentation System Connecting a Remote Control for Preset Selection Connecting a Remote Volume Control Connecting a Panja or Crestron Control System Connecting Serial Devices Input and Output Connector Wiring Input and Output Level Strapping Input and Output Level Strapping Inputs and outputs can be strapped Stereo Input 5 and 6 jumpers Stereo Output 1 and 2 jumpers to deliver 4 dBu or 10 dBV lev shown in black shown in black els Each of the 4 inputs and out puts has its own jumper which is 460 Rear Panel located just behind the connector Change any number of them as required by your application To change jumper settings m 1 Disconnect the PS 3 PS 3E ns 419 ig power supply from the 460 2 Remove the top cover by remov ing the 2 screws located at the eee _ rear edge of the cover the 2 EU y screws located at each end of BP the top cover and the single hex Ma M Socket screw at the top center of INPUT OUTPUT GAIN the front panel hon 3 Locate the appropriate jumpers which are just behind the con nectors using the illustration on this page 4 Remove the jumpers and install them over the desired pins 5 Reverse steps 1 and 2 to reas semble tha unit Illustrates how to place jumper to get either a 4 dBu or 10 dBV setting CAUTION This information is provided for the use o
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