Bose DXA2120 Stereo Amplifier User Manual
Contents
1. POWER switch AC power cord jack Front control panel BOSE FreeSpace DXA 2120 Digital Mixer Amplifier POWER LED Note When the system is unplugged or if a power loss occurs these system settings are retained in flash memory However continuous system operation during a power loss requires the use of an optional backup power source 5 2 System setup procedure When the unit is on the POWER LED lights Opening the front control compartment gives you access to the LCD and control buttons The LCD displays the product model name at startup Front control compartment SELECT button Arrow buttons e f the system is locked simultaneously press the left and right arrow buttons and hold for five seconds Lockout Off appears e When the system is unlocked you can navigate to system setup options e Use the SELECT button to activate a menu SELECT option and to confirm a new setting O e Use the arrow buttons to the right of the LCD t f d back up and d th h ad orward back up and down throug 5 2 1 Selecting an operation mode The setting menus available depend on the mode of operation you choose Use the right arrow button to enter the mode menu Then use the up or down arrows to select the mode you want Choose from e Mixer Mode The system can mix up to four mic line inputs to each of the two output channels for use2. USER USER INTERFACE 1 INTERFACE 2 O O i iO KON IO Qi OUTPUT 1 OUTPUT 2 DIRECT MESSAGE BOX 8 of 36 3 0 Operation Mode Options 3 1 2 Stereo Select Mode Line level sources can be connected using RCA jacks or Euroblock connectors To connect a stereo source to RCA jacks use either the left or right RCA jack of each INPUT INPUT 1 INPUT 2 Stereo L Stereo Select Mode source routing is fixed as shown below Source 1 Left INPUT 1 OUTPUT 1 Source 1 Right gt INPUT 2 gt OUTPUT 2 Source 2 Left gt INPUT 3 gt OUTPUT 1 Source 2 Right gt INPUT 4 gt OUTPUT 2 Auxiliary output can be set up to e Play constant audio from Inputs 1 2 summed to mono Source 1 e Play constant audio from Inputs 3 4 Summed to mono Source 2 e Track source selected using A B select on user interface This mode supports the use of one user interface in a single zone using the volume control with A B select user interface Note With use of a user interface the chassis output gain knob is disabled For further detail see Mode user interface requirements on page 31 OUTPUT 1 2 MESSAGE BOX OUTPUT 1 OUTPUT 2 vas a 3 1 3 Dual Mono Select Mode Line level sources can be connected using RCA jacks or Euroblock connectors The system sums the two RCA jacks
3. 6 GAIN knobs Adjusts gain for OUTPUT 1 OUTPUT 2 and PAGE 7 BASS and TREBLE knobs Adjusts tonal balance for OUTPUT 1 and OUTPUT 2 2 1 2 Control Compartment 8 Enclosure door Conceals system controls 2 1 3 Input Controls 9 SIGNAL and CLIP LEDs Shows signal states for Inputs 1 4 Signal Unlit No signal Clip Unlit No clipping Signal Green Signal present Clip Red Clipping 10 Gain knobs Adjusts gain for INPUT 1 INPUT 4 SIGNAL CLIP INPUT 1 FreeSpace DXA 2120 Digital Mixer Amplifier 1 Door Provides access to system controls SIGNAL CLIP INPUT 2 INPUT 3 INPUT 4 SIGNAL CLIP SIGNAL CLIP 2 Power status window Reveals Power LED 6 of 36 2 0 Hardware Description 2 3 Rear panel INPUT 1 INPUT 3 INPUT 4 elo E 24 S voc BACKUP POWER 2 3 1 Audio source inputs 1 LINE INPUTS Two unbalanced RCA audio jacks per input summed to mono MIC LINE INPUTS Balanced Euroblock input jacks One per input MIC LINE switch Adjusts for the proper signal level being used with the four Euroblock input connectors Mic connections require using the Euroblock input jacks DIRECT INPUT Balanced override input jack PAGE INPUT Balanced audio input jack 2 3 2 Outputs AUX OUTPUT L
4. Mixer EQ Set ur Mixer Fase In Set ur Mixer Direct In Set ur Mixer Master Vol Set ur OO 5 0 System Setup Fase Input Fase In Tone Bass fidi BGE Fase Enable Quteut 1 H Fase Enable Quteut 2 H Fase Enable Fiat H Fase Duck ime Lul Add ZBdE Fase Mateut i Lui Aci Bik Fase Quieut 2 Lul Adi dE Fase Auxout Gurl Deia CA ii LE E e L FALI Fase Tris Mode FTT 20 of 36 PAGE GAIN e For Page Vol Lvl e For Page Bass Adj SELECT SELECT and Page Treb Adj O o O Adjust the value to 6 dB in increments of 5 dB s For Page Enable SELECT SELECT Choose N no or gt O Y yes e For Page Ducking SELECT SELECT Lvl Adj Or_ gt Adjust the value from 50 dB to 0 GB in increments of 1 dB SELECT e For Output Lvl Adj SELECT Adjust the value to 20 dB in increments of 1 dB i A O SELECT SELECT For Page Trig Mode O e Choose PTT or Auto Note In Page Trig Mode the page output can be triggered by pushing the button on a push to talk style microphone PTT or triggers automatically when a signal is detected at the Page input Auto 5 0 System Setup Mixer Direct In Set up Mixer Input Set ur Mixer Quteut Set ur Mixer EQ Set ur Mixer Fase In Set ur O Mixer Direct In Setup Mixer MasterWol Set ur Dire
5. Dual Mono Select EQ Set up Dual Hono Select Theut Set uF Dual Hono Select Quteut Set urF Dual Hono Select EQ Set uF Dual Hono Select Fase In Set up Dual Horno Direct In Dual Mono Select Page in Set up 4 Dual Hono Select Input Set ur Dual Hono Select Cugir Set ur Dual Hono Select EQ Set up Dual Hono Select Fase In Set ue Dual Hono Select Direct In Setup 90 EQ Setup A Outeut 1 EQ Setup Quteut 2 EQ Set ur Faci 00 Fase Input Wol Lel 40E Fase In Tone Bass Adi AdE Fase In Tone Treb Adi AdE Fase Enable Outeut 1 H Fase Enable Qutrut 2 H Fase Enable Auxout H Fase Duck ina Lul Adi 200E Fase Qutreut 1 Lul Adi AdE Fase Outreut 2 Lul Agi AdE Fase Auscout Lul Adi Bde Fase Tris Mode FTT 28 of 36 SELECT SELECT For Spkr EQ O nd O Move up or down to choose the EQ setting needed An asterisk marks the selection made OO Outeut 1 Sekr EQ 41 GHz HPF Outeut 1 Dynamic 9 EG Enable H Auxout Sekr EG 61 S6Hz HFF Ausout Danamic EQ Enable H SELECT SELECT gt For Dynamic EQ Enable Choose N no or Y yes Note Dynamic EQ maintains tonal balance at all listening levels The equalization adjusts automatically for the output level setting For Page Vol Lvl O For Page Bass A
6. Normally O X Open Switch PTT pel latching OUTPUT 1 and OUTPUT 2 A 4 7 4 OUTPUT connections 4 Ohm wiring Use the supplied 5 terminal connectors for wiring loudspeakers to the output jacks on the rear of the mixer amplifier Screw terminal caps 5 terminal connector Insert the speaker wire into the proper terminals for the type of voltage needed as shown in the figure on the right Tighten the screws to hold the wires in place and insert the screw terminal caps to cover each screw These caps prevent making contact with the screws which could cause an electrical shock A WARNING Terminals marked with 4 are hazardous live The external wiring connected to these terminals should be installed by an instructed person AA WARNING Terminals marked with 4 should be connected to the loudspeakers such that the metal parts of its terminal are inaccessible 14 of 36 4 0 Hardware installation 4 7 5 AUX output connection The signal and any applied processing from any of the four inputs can be output using the line level AUX OUTPUT jack This output can feed into another amplifier or other equipment used in the installation Connector AUX OUT T i gt a s f O 1 l lo S 52 o XLR 5 N u MN T R S R Pug CUL ed Balanced T s Phone re SE nelle 4 8 AC POWER connection 4 8 1 Input voltage setting 120 or 220 240V The rear con
7. Note AGC defaults to N AGC is recommended for use with low level sources i e microphone with low sensitivity Stereo Select Output Set up Stereo Select Input Belu Stered Select Quteut Setup Select each Output to be used 1 2 or Auxout Outeut Set ur Outputs 172 Auxout 4 Bass Lul ELBE Stereo Select a Quteut Set ur Quteuts 172 d ta 62 4 EQ Set ur a AE C 1 Lvl 6208 PASE i tel i Auxout Input Sel 7 Quteuts 1 2 Inputs 1 2 sum Treb Lil AdE Sarea Select Direct In Set uF Fumaut Input Sel Dut i72 Input Sel Inruts 3 4 sum i Trreuts irz e For Output Vol Lvl one Ineu ai i ELS Sk e For Output Bass Lvl and Input Treb Lvi Adjust the value to 6 dB in increments of 5 dB e For Out 1 2 Input Sel SA SA gt gt e For Auxout Input Sel oe be Selects which inputs are O _ 0O routed to the Aux output Input TrackWP tracks to A B switch on user interface Note If TrackWP is selected and a user interface is installed the input A B selected on the user interface will be displayed 23 of 36 O OW D Stereo Select EQ Set up 5 0 System Setup Stereo Select Tneut Se t r Steren Quteut Stereo Select EQ Setup SELECT SELECT ForSpkrEQ O gt _ O Move up or down to choose the EQ setting needed An asterisk marks the selection made 00 EQ Set ur Outeuts 1 2
8. e Signal Routing In Dual Mono Select Mode one or two inputs go to each of two outputs in different zones and can be remotely selected In Stereo Select Mode two stereo sources go to one output zone and can be remotely selected e Opti voice Paging Provides a smooth transition between music and page signals e Dynamic Equalization Maintains tonal balance at all listening levels e Bose Loudspeaker EQs Provide equalization for Bose loudspeakers e AGC Automatic Gain Control When enabled automatically compensates for low level sources i e microphone with low sensitivity e Room Equalization Allows easy adjustment of tonal balance in each zone e Communications Port Includes an RS 232 serial port reserved for system updates e Backup power Provides an input terminal for a 24V DC backup power source 1 2 Supplied with the product Included connectors e 3 terminal input connectors 4 for wiring source equipment to the four Mic Line input Euroblock jacks e 4 terminal input connectors 2 for wiring to the Page and Direct input jacks e 6 terminal input connector 1 for wiring user interfaces to the Remote input jack e 5 terminal output connectors 2 for wiring to the loud speakers e 3 terminal output connector 1 for wiring to the AUX output jack Included placement aids e Non skid rubber feet 4 for stable placement on a solid level surface e Rack ears 2 with mounting hardwa
9. oOo Stereo Select Fase n Set ur EQ Set ure Aucout Outi Stereo Select Direct n Seh ur E Stereo Select Page In Set up Select Ineut Set ur Steren Select Set up Steren Quteut eo Select Stereo Select Fase In Setup Stereo Select Direct In Setup O 0 Sek Ett 61 26Hz HPF 4 EQ Enable Dati 2 Dynamic 7 able H Auxout Sekr EQ i Hz HPF Auxout Dranamic E Enable H e For Dynamic EQ Enable Choose N no or Y yes SELECT SELECT gt Note Dynamic EQ maintains tonal balance at all listening levels The equalization adjusts automatically for the output level O PAGE GAIN e For Page Vol Lvl e For Page Bass Adj and Page Treb Adj Adjust the value to 6 dB in increments of 5 dB e For Page Enable Choose N no or Y yes e For Page Ducking Lvi Adj Adjust the value from 50 dB to 0 dB in increments of 1 dB e For Output Lvi Adj Adjust the value to 20 dB in increments of 1 dB e For Page Trig Mode Choose PTT or Auto Note In Page Trig Mode the page output can be triggered by pushing the button on a push to talk style microphone PTT or triggers automatically when a signal is Fase Input Uol Lul 46E Fase In Tone Bass Adi Bed Fase In Tore Treb Adi Bede Fase Enable Outreuti 2 H Fase Enable Auot H F
10. aenn aiaeei aoa 31 6 1 1 2 Stereo Select Mode user interface application 0 c cee 31 6 1 1 3 Dual Mono Select Mode user interface application ceeee 31 7 0 Troubleshooting Table ccccccssseseseeeees 32 7 1 Technical assistance mmmnnnneeeeeeeeee eee 32 8 0 Reference cccceceeeeeeeeeeeeeeeeeeenesseeneeeeees 33 8 1 Factory Default Settings s e 33 4 of 36 1 1 The Bose FreeSpace DXA 2120 Digital Mixer Amplifier BOSE FreeSpace DXA 2120 Digital Mixer Amplifer The Bose FreeSpace DXA 2120 Digital Mixer Amplifier integrates digital signal processing with two powered output channels Designed as a mixer or router for business music applications it features an LCD panel and controls behind the front cover for easy access The mixer amplifier provides six inputs including four Mic Line inputs one Page input and one Direct input The Direct input overrides all sources playing on the output channels Each Mic Line input provides both RCA and Euroblock jacks Two output channels are wired for 120 watts at 4 ohms each For 70 100 volt applications a jumper is required for proper configu ration In 70 100V applications the two outputs will operate at 100 watts per channel A third output is available for an auxiliary line out Additional features include e Signal Mixing In Mixer Mode simultaneously combines up to four inputs for any of the three outputs
11. are not overdriven or damaged Unnatural sound Verify that the correct EQ is selected for speakers connected to the Output channel Verify that the speakers are wired correctly to and to User interfaces do not operate properly Verify that the user interfaces are wired correctly and to the proper zone if there is more than one zone Check the wiring for breaks or shorts in the cable Verify the user interfaces are of the right type for the operating mode selected 7 1 Technical assistance If you need further technical assistance contact your local Bose representative or visit pro Bose com 32 of 36 8 1 Factory Default Settings Parameter Range Channel Parameter Mixer Stereo Dual Mono x y if applicable Input 1 Bass 0 dB 0 dB 0 dB 6 dB 6 dB Treble 0 dB 0 dB 0 dB 6 dB 6 dB AGC Enable N N N Input 2 Bass 0 dB 0 dB 0 dB 6 dB 6 dB Treble 0 dB 0 dB 0 dB 6 dB 6 dB AGC Enable N N N Input 3 Bass 0 dB 0 dB 0 dB 6 dB 6 dB Treble 0 dB 0 dB 0 dB 6 dB 6 dB AGC Enable N N N Input 4 Bass 0 dB 0 dB 0 dB 6 dB 6 dB Treble 0 dB 0 dB 0 dB 6 dB 6 dB AGC Enable N N N Page Input Bass 0 dB O dB 0 dB 6 dB 6 dB Treble 0 dB 0 dB 0 dB 6 dB 6 dB Trigger Mode PTT PTT PTT Page Ducking 20 dB 20 dB 20 dB 50 dB 0 dB Di
12. 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 nor mally or has been dropped Do not attempt to service this prod uct yourself Opening or removing covers may expose you to dangerous voltages or other hazards Please call Bose to be referred to an authorized service center near you 15 To prevent risk of fire or electric shock avoid overloading wall outlets extension cords or integral convenience receptacles 16 Do not let objects or liquids enter the product as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock 17 See product enclosure for safety related markings 18 No naked flame sources such as lighted candles should be placed on the apparatus Information about products that generate electrical noise If applicable this equipment has been tested and found to com ply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installa tion This equipment generates uses and can radiate radio fre quency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio commu nications However this is no guarantee that interference will
13. for each input to mono Dual Mono Select Mode source routing is fixed as shown below Source 1 gt INPUT 1 gt OUTPUT 1 Source 2 gt INPUT 2 gt OUTPUT 1 Source 3 INPUT 3 gt OUTPUT 2 Source 4 gt INPUT 4 gt OUTPUT 2 Auxiliary output can be set up to track Output 1 or constant audio from Input 1 This mode supports the use of one user interface for each output channel using a volume control with A B select user interface Note With use of a user interface the chassis output gain knob is disabled For further detail see Mode user interface requirements on page 31 OUTPUT 1 OUTPUT 2 O jess OUTPUT1 OUTPUT2 DIRECT 1 toa i iara BOX if ZONE 1 ZONE 2 9 of 36 4 0 Hardware installation 4 1 Introduction A CAUTION Do not allow the chassis to exceed the maximum f i A i NR operating temperature of 50 C 122 F Be aware of conditions in This section provides instructions for installing and wiring the an enclosed rack that may increase the temperature above room Bose FreeSpace DXA 2120 Digital Mixer Amplifier ambient conditions 4 2 Included accessories 4 4 Shelf mounting the chassis The Bose FreeSpace DXA 2120 Digital Mixer Amplifier has rubber feet for use when positioning the chassis on a shelf or counter top They help to protect the surface that su
14. not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on you are encour aged to try to correct the interference by one or more of the fol lowing measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment to an outlet on a different circuit than the one to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Note Unauthorized modification of this product could void the user s authority to operate this equipment This product complies with the Canadian ICES 003 Class A specifications The information furnished in this user s guide does not include all of the details of design production or variations of the equip ment Nor does it cover every possible situation which may arise during installation operation or maintenance 1 0 Introduction joist at goe aa aa tag fe coc 5 1 1 The Bose FreeSpace DXA 2120 Digital Mixer Amplifier eseese 5 1 2 Supplied with the product c ccccceeeeeeeeeeeeeeee 5 1 3 Mixer Amplifier accessories cc eeceeeeeeeeeeeeeeeeee 5 2 0 Hardware Description ssseeeesseesseeees 6 2 1 Front panel with open compartment 06 6 2 1 1 System Controls 00 nenea era 6 2 1 2 Control Compartment cee
15. not provided to prevent marring the front panel Note Neoprene rubber washers are a good choice because they grip e Rack ears the screw head and prevent the screws from backing out from vibration with mounting or during transportation hardware 2 For installing the mixer amplifier chassis 2U in a rack Rack ears 6 48 32 x 1 2 in 4 3 Placement guidelines For placement of the mixer amplifier chassis keep the following in mind e Make sure that air can circulate freely behind beside and above the chassis for adequate ventilation There are intake vents on the sides and an exhaust vent on the back of the unit Do not cover or block the vents a Attaching rack ears f ls to the chassis S 5 50555090 Mounting the chassis E in the rack rack screws and Y washers not provided e Make sure the chassis is protected from heat and kept away AA CAUTION To transport the rack mounted chassis be sure from direct heat sources such as heating vents and radiators the rear of the chassis is supported mechanically in the rack Install a shelf under the unit or use brackets for rear support Lack of proper support may result in damage to the chassis 10 of 36 4 0 Hardware installation 4 6 User interface accessory The FreeSpace DXA 2120 Digital Mixer Amplifier is designed to be compatible with the following Bose user interfaces e Bose Volume Control User Interface PC 041966
16. shock The exclamation point within an equilateral triangle as marked on the system is intended to alert the user to the presence of important operating and maintenance instructions in this owner s guide A WARNING No naked flame sources such as lighted candles should be placed on the apparatus A CAUTION Make no modification to the system or accessories Unauthorized alterations may compromise safety regulatory compliance and system performance AA CAUTION This product shall be connected to a mains socket outlet with a protective earthing connection This product conforms to the EMC Directive 89 336 EEC and to the Low Voltage Directive 73 23 EEC The complete Declaration of Conformity can be found on www Bose com static compliance index html D Note Where the mains plug or appliance coupler is used as the disconnect device such disconnect device shall remain readily operable D Note The product must be used indoors It is neither designed nor tested for use outdoors in recreation vehicles or on boats d Note Provide an earth connection before the main Plug is connected to the mains Important safety instructions NORUNN 10 11 12 13 14 Read these instructions Keep these instructions for future reference Heed all warnings on the product and in the owner s guide Follow all instructions Do not use this apparatus near water or moisture Clean only with a dry cloth Do not block any vent
17. the DIRECT INPUT jack using one of the following cable types The control input requires a normally open switch DIRECT IN RCA s rs 5 me ELO AS XLR E o pa TRIG Sa T Phone Plug sr si Balanced TRIG st Source Connector T S Phone or Normally O si Open Switch TRIG i O latching 13 of 36 4 0 Hardware installation 4 7 3 PAGE source input Follow the diagram below to insert the 5 terminal connector into A microphone or another paging source can be connected to the the Output jacks on the Back ofthe Mixeramplitier PAGE INPUT jack using one of the following cable types Notice the proper wiring for 4 ohm 70 volt or 100 volt uses Both Source Connector PAGE IN 70V and 100V wiring require the use of a jumper cable as shown Note Use 12 AWG 4 mm2 to 20 AWG 0 5 mm2 gauge wire for the jumper ik BARI RCA s J rH F Rear connection panel OUTPUT 2 m EA OUTPUT 1 i al AS TIN 2 E ny f yor aa FAIS 2 iv i E zi PTT a 4 r Se otis d H Input voltage switch f gt T fi On zg Phone Ls Oe v Plug CI I a p oe Balanced PTT a Phone T T Plug C Unbalanced L ki LM OUTPUT 1 4 OUTPUT 2 100V v m 70V L 7owtoov INPUT 4 COM aaa f USE ONLY CLASS 2 WIRING
18. up or down arrow adjust the value 3 Press SELECT to confirm the setting and move on SELECT SELECT Adi O e For level changes designated by Lvl use front panel controls as shown e To change Input Vol Lvl use T 3 e To change Output Vol Lvl use O e To change Output Bass Lvl and Output Treb Lvl use a screwdriver to turn O e To change Page Vol Lvl use PAGE GAIN Press SELECT 6 to confirm the mode selection An asterisk marks the selection made Ane lifier Mode Mixer Ane lifier Mode Stereg Select Anelifier Mode DualMHono Select OO Utilita Mode CGS Dual Mana Select Input Set ue gt B next page Dual Mono Select Qubteut Set ue Cc next page Dual Hono Select 4 EQ Set ur D page 28 9 Dual Hono Select Fase In Set ur E page 28 Dual Hono Select Direct In Set ur gt F page 29 26 of 36 5 0 System Setup B Dual Mono Select Input Set up Dual Mono Select Tneut Set ur Dual Hono Select Quteut Sate ie Dual Hono Selec EQ Set uF Dual Hono Select Fase In Sete Dual Hono Select Direct In Belu C Dual Mono Select Output Set up Dual Hono Select TIP Set up Dual Hono Select Guteut Sale Dual Hono Select Ei Set ue Dual Hono Select Fase In Sal Dual Hono Select Direct In Setup 4 4 d Cc Select each Input t
19. FreeSpace DXA 2120 Digital Mixer Amplifier Owner s Guide FMT Sa I Please read this owner s guide Please take the time to follow the instructions in this owner s guide carefully It will help you set up and operate your system properly and enjoy all of its advanced features Please save this owner s guide for future reference A WARNING To reduce the risk of fire or electrical shock do not expose the product to rain or moisture A WARNING The apparatus shall not be exposed to dripping or splashing and objects filled with liquids such as vases shall not be placed on the apparatus As with any electronic products use care not to spill liquids into any part of the system Liquids can cause a failure and or a fire hazard CAUTION AVIS RISK OF ELECTRICAL SHOCK RISQUE DE CHOC ELECTRIQUE DO NOT OPEN NE PAS OUVRIR CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK ATTENTION POUR R DUIRE LE RISQUE DE DECHARGE BG NOT REMOVE COVER OR ERCIO ELECTRIQUE NE RETIREZ PAS LE COUVERCLE OU L ARRI RE IL NE SE TROUVE A L INT RIEUR AUCUNE PIECE POUVANT ETRE REPAREE PAR L USAGER S ADRESSER A UN REPARATEUR COMPETENT NO USER SERVICABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL uninsulated dangerous voltage within the system enclosure that may be of sufficient magnitude to The lightning flash with arrowhead symbol within an equilateral triangle alerts the user to the presence of A constitute a risk of electrical
20. Lockout option allows the system settings to be locked to prevent unwanted changes This Lockout function can be disengaged by pressing and holding the left and right arrows simultaneously for five seconds Lockout Off will appear The Restore Factory Defaults option allows all software selectable settings to be set back to the original factory settings See Factory Default Settings on page 33 Note Settings made using a control knob are not reset Choose Utility Mode Arelifier Mode Mixer Arelifier Mode 4 Stereo Select Arelifier Mode Dual Hono Select Utilits Mode Lock out Restore Factora Defaults OO Fii Version EQ Wersion 30 of 36 For FW Version Version number of system firmware will be displayed For EQ Version Version number of loudspeaker EQ set will be displayed 6 0 User Interfaces 6 1 User interface use 6 1 1 1 Mixer Mode user interface application USER USER Bose has designed two user interface Adjusts INTERFACE INTERFACE Adjusts controls for use with the FreeSpace the volume the volume DXA 2120 Digital Mixer Amplifier of the OUTPUT 1 PI of the OUTPUT 2 audio mix audio mix e Bose volume control user interface O is for use when only volume control is ai required e Bose volume co
21. REMOTE jack User interface connector on the chassis One volume control user interface 4 6 1 6 Detailed schematics of user interfaces Schematic for volume control user interface POT 1000pF A wW N Schematic for volume control with A B select user interface R1 10K ci 1000pF BWN SWITCH SW1 4 7 System wiring Input and Output wiring information and illustrations are provided on pages that follow A WARNING Be sure the mixer amplifier is disconnected from the AC mains power before making any connections 4 7 1 LINE 1 4 source inputs There are two sets of line input jacks for use with varied connec tor types 4 7 1 1 RCA connections Audio sources can be connected to the LINE INPUT 1 4 RCA jacks using one of the following cable types Source Connector LINE IN S s v S RCA TCI ot T 1v ta S 3 s vy s FE T R S Phone Tt Plug Balanced Phone Plug Unbalanced 12 of 36 4 0 Hardware installation 4 7 1 2 Euroblock connections A microphone or other balanced audio source can be connected to the MIC LINE INPUT 1 4 Euroblock terminals input using one of the following cable types Source Connector MIC LINE IN RCA sS lt fist aste Balanced T R S ae ra Q SI Phone ol III pe cara ie a 4 7 2 DIRECT source input A microphone or other audio source can connect to
22. UTPUT 1 OUTPUT 2 Adjusts the volume the volume Q Selects one Selects one source A or Y source A or the other B the other B in Zone 1 in Zone 2 GAIN knobs disabled with user interface i zi OUTPUT 1 OUTPUT2 use K Li ZONE 1 ZONE 2 31 of 36 No Power Turn on power Make sure the power cord is plugged in Power is on but no sound Make sure the source is turned on Verify that there is an input signal from the source The audio input signal indicator on the front of the chassis should be green Check the output signal indicators on the system controls If the LED is not lit green the output levels may be too low Check the source routing Check the cable connections from the source to the chassis Verify the user interfaces are of the right type for the operating mode selected Power is on but sound is low Verify that the audio input indicator is lit green If it is not lit increase the source output or increase the input gain Sound is distorted Verify that the Input clipping indicators are not lit red If an LED is red reduce the source output level or reduce the input gain Verify that the Output clipping indicators are not lit red If one is red but Input clip ping LEDs are not reduce the output gain If the input source signal is clean when it enters the chassis and the Input and Output indicators are green verify that the loudspeakers
23. ase Duck ine Lul Adj 28dB Fase Outeut 1 2 Lul Adj AdE Fase Auxout Lul Adj BdB Pase Tris Mode PTT detected at the Page input Auto setting SELECT SELECT gt gt SELECT SELECT gt gt O O SELECT SELECT gt gt 5 0 System Setup Stereo Select Direct in Set up Stereo Select Input Set ur Stereo Select Quteut Seb ur Stereo Select EQ Set uF Stereo Select Fase In Set ur Stereo Select Direct In Set uF OO Direct In For Vol Adj O ai Aia tii Adjust the value from 40 Bto A gt A Direct In Tone 10 dB in increments of 1 dB E Bass Adj BAJE Direct In Tone Treb Adj AdE SELECT e For Bass Adj and Treb Adj SELECT Adjust the value to 6 dB in increments of 5 dB F 25 of 36 5 0 System Setup 5 5 Dual Mono Select Mode settings Here is an overview of common steps to follow in setting up the Dual Mono Select Mode A Choose this mode B Set up inputs C Set up outputs D Choose EQ settings E Set up Page Input if applicable F Set up Direct Input if applicable Setup menus unfold as you move right to the options provided as shown A Choose Dual Mono Mode Bo se DHA 212 Hix r Arie T T 5 5 1 Remember for adjustments use three steps e For various adjustments designated by Adj use these steps 1 Press SELECT to activate the Adj field 2 Using the
24. ct In E For Vol Adj SELECT SELECT Wel Adj Fide Adjust the value from 40 dB to O gt 4 10 dB in increments of 1 dB Direct In Tone 7 Bass Adi E BJE Direct In Tone e i i si For Bass Adj and Treb Adj a Adjust the value to 6 dB O gt in increments of 5 dB G Mixer Master Vol Set up Mixer Input Sei Mixer QuULeuL Batu Mixer El Zale Mixer Fase In Sete OO Mixer Direct In Setup Mixer Master Uo Setup Master lol OQuteut Linked H e For Output Linked 5 6 Choose N no gt gt or Y yes Note Y links Output 1 and Output 2 gains for control using the Output 1 gain knob 21 of 36 5 0 System Setup 5 4 Stereo Select Mode settings Here is an overview of common steps to follow in setting up the Stereo Select Mode A Choose this mode B Set up inputs C Set up outputs D Choose EQ settings E Set up Page Input if applicable F Set up Direct Input if applicable Setup menus unfold as you move right to the options provided as shown A Choose Stereo Select Mode Bose DXA 2126 Mixer Are 5 4 1 Remember for adjustments use three steps e For various adjustments designated by Adj use these steps 1 Press SELECT to activate the Adj field 2 Using the up or down arrow adjust the value 3 Press SELECT to confirm the setting and move on SELECT SELECT Cl Higi O e For le
25. dj SELECT SELECT and Page Treb Adj Ore Adjust the value to 6 dB in increments of 5 dB SELECT SELECT gt gt For Page Enable Choose N no or Y yes For Page Ducking Lvl Adj Adjust the value from SELECT eo 50 dB to 0 dB in Oto increments of 1 dB SELECT SELECT O O For Output Lvl Adj Adjust the value to 20 dB in increments of 1 dB For Page Trig Mode Choose PTT or Auto Note In Page Trig Mode the page output can be triggered by pushing the button on a push to talk style microphone PTT or triggers automatically when a signal is detected at the Page input Auto 5 0 System Setup Dual Mono Select Direct In Set up Dual Hono Select Input Set ur Dual Hono Select Dutert Setur Dual Hono Select EQ Set ur 2 Daal Hono Select Fase In Seb urF Dual Hono Select Direct In Set uF Direct In For Vol Adj al Adi BE Adjust the value from Direct In Tone 40 dB to 10 dB siliti ditai in increments of 1 dB SELECT SELECT OO O a i O Direct in Tone Treb Adi AdE For Bass Adj and Treb Adj a Adjust the value to 6 dB O gt gt in increments of 5 dB 29 of 36 5 0 System Setup 5 6 Overview of Utility Mode settings In Utility Mode there are two global system options Lockout and Restore Factory Defaults Also current system firmware and EQ versions are viewable The
26. e Bose Volume Control with A B Select User Interface PC 041967 4 6 1 User interface installation Volume control with A B select user interface 4 6 1 1 Additional equipment required not supplied Double gang electrical box Cable For the volume control user interface use a single twisted pair of data grade cable 22 24 AWG or 0 34 0 25mm For the volume control with A B select user interface use two twisted pairs of data grade cable 22 24 AWG or 0 34 0 25mm 4 6 1 2 Assembly 4 6 1 3 Recommended cable lengths For one user interface P 2000 ft 610 m max 10 22 24 AWG or 0 34 0 25mm gauge cable For two user interfaces 2000 ft 610 m max 22 24 AWG or 0 34 0 25mm gauge cable 4 6 1 4 User interface connections Connect the user interface wires to the appropriate terminals on the 6 pin connector and insert it into the REMOTE jack CAUTION Use only 22 24 AWG or 0 34 0 25mm gauge cable to connect the user interface to the mixer amplifier Rear connection panel TEER Ii LE POWER 4 120V FUSE BACKUP POWER i ij e OUTPUT 1 4 OUTPUT 2 oO 1q o cl 7 oO om of ak o O cq USE ONLY CLASS 2 WIRING 120 220 240VAG 50 60Hz 350W MAX User interface jack with Euroblock connector See section 4 6 1 5 for wiring diagrams 11 of 36 4 6 1 5 User interface wiring 6 terminal input connector mounts to
27. ecommended for use with low level sources i e microphone with low sensitivity Auxout Input Mix Tneut 1 ki Auxout Input Mix Input 2 H Auxout Input Mix Input 3 H Auxout Input Mix Input 4 H Select each Output to be used 1 2 or Auxout OO Quteut 1 Vol Lel 6206 Quteut 1 Bass Lil Bede Quteut i gi eee Oa rare Treo LAL ol Out Input Mix Input 1 y Dati Input His LI lt Mm Duti Input Mix inent 3 H Dati Input Mix Trei 4 H 5 0 System Setup Mixer EQ Set up Mixer Input Set ur Mixer Quteut Set ur Mixer EQ Set ur 90 Mixer Select each Output to be used 1 2 or Auxout Fase In Set uF Mixer El Set ur Direct In Setup Output Mixer 4 El Set ur las taria Set ur G Output 2 El Set ur Quteut 1 Sekr Et Faze at 81 S8Hz HPF 9 Quteut 1 Dynamic Eli Enable H Auxout Sekr EG i SEHz HPF Auszoat Dynamic EQ Enable H e For Spkr EQ Move up or down to choose the EQ S A setting needed OO An asterisk marks the selection made e For Dynamic EQ Enable Choose N no or Y yes Px Note Dynamic EQ maintains tonal balance at all listening levels The equalization adjusts automatically for the output level setting 19 of 36 90 E Mixer Page In Set up Mixer Input Set ur Mixer Quteut Set ur
28. eeeeeeeeeeeeeeeeeeeeeees 12 4 7 System Wiring mmccee nenea eenenaeee ee neoane eee 12 4 7 1 LINE 1 4 source inputs cceceeeeeeeees 12 4 7 1 1 RCA connections sessen 12 4 7 1 2 Euroblock connections 13 4 7 2 DIRECT source input ceceeeeeeeeeeeees 13 4 7 3 PAGE source input cceeeeeeeeeeeeees 14 4 7 4 OUTPUT Connections c cceeeeeeeeeeeeees 14 4 7 5 AUX output CONNECTION eect eee 15 4 8 AC POWER connection ccceeeeeeeeeeeeneeeeeeees 15 4 8 1 Input voltage setting 120 or 220 240V 15 4 8 2 Fuse type oniranran ienaa anA 15 4 8 3 AC POWER connection ceeeee nenea 15 4 9 DC POWER connection ceeeeeeeeeeeeeeeeeeeeees 15 5 0 System Setup ccccccccseeesssssssssssssssseessseees 16 5 1 System setup introduction sesers 16 5 2 System setup procedure mmnnnnnnnneneeeeeeeeee 16 5 2 1 Selecting an operation mode 16 5 2 2 Setting the options for that mode 16 5 3 Mixer Mode settings eee 17 5 4 Stereo Select Mode settings c nenea 22 5 5 Dual Mono Select Mode settings ee 26 5 6 Overview of Utility Mode settings 30 6 0 User Interfaces cccccccccessseessteenesseeeseeeees 31 6 1 User interface use ccennnnnneeeee eee nana 31 6 1 1 Mode user interface requirements 31 6 1 1 1 Mixer Mode user interface application 2
29. eeeeeeeeeees 6 2 1 3 Input Controls aiiis riian 6 2 2 Front panel with compartment closed 6 2 3 Reat panel si creta coat oaia en d ta loto oa ad 7 2 3 1 Audio source inputs mmnnnnneneeeeeeeeeeeee 7 2 32 OUTPULS ediro Sata ale du Da rea Baa Pa 7 2 3 3 Control input mmce nenea 7 22S A POWEN iasa azi aa oaie aa a Ba Deea Rea aa a 7 2 3 5 Communication nenea eee 7 3 0 Operation Mode Options cccssseeeseeees 8 3 1 Operation mode options eee eee eeeeeeeeeeeeeees 8 3 1 1 Mixer Mode ceccecccceceeeeeeeeeeeeeeenneeeeeeeeees 8 3 1 2 Stereo Select Mode ecceeeeeeeeeeeeeeeeees 9 3 1 3 Dual Mono Select Mode cccceeeeeeeees 9 4 0 Hardware Installation 2 00008 10 4 1 Introduction sesser nenea niaii mainais 10 4 2 Included accessories mmeeeeee en neennenannneeaa 10 4 3 Placement guidelines mmm 10 4 4 Shelf mounting the Chassis 10 4 5 Rack mounting the Chassis 10 4 6 User interface accessory cceen nenea 11 4 6 1 User interface installation 0e 11 4 6 1 1 Additional equipment required not supplied eeeeeeeeeees 11 4 6 1 2 Assembly 00 eeeeeceeeeeeeeeeeeeeetneeeeeeeee 11 4 6 1 3 Recommended cable lengths 11 4 6 1 4 User interface connections 11 4 6 1 5 User interface wiring eese 12 4 6 1 6 Detailed schematics of user interfaces cccccc
30. ext page Mixer D 4 Eli Satu page 19 9 Mixer E Fase In Set ur page 20 Mixer F Direct In Setup page 21 Fi er G Mas Ler Wed Sete page 21 17 of 36 5 0 System Setup B Mixer Input Set up Mixer Input Setup Miser Quteut Sei Mixer Input Setup 4 EG Set ur Inreut i 2 Mixer Input Setup Fase In Set ur 4 Inul Mixer 2 InFiat Set ur Direct In Set ur Input 3 IMF Set urF Tneut 4 Mixer Hasterliol Set u e For Input Vol Lvi e For Input Bass Adj and Input Treb Adj Adjust the value to 6 dB in increments of La For AGCEnable SELECT SELECT Choose N no or Y yes O gt O C Mixer Output Set up Mixer Input Set ur Mixer Quteut Setup Mixer 4 EQ Set ur E Mixer Qutrut Set up Quteut 1 Fase In Set ur Quteut Set ur Qutrut 2 Mixer Direct In Set ur Quteut Set ur Faze cut Mixer e For Input Mix Choose N no or Y yes SELECT SELECT gt gt e For Output Vol Lvl e For Output Bass Lvl and Input Treb Lvl O Adjust the value to 6 dB in increments of 5 dB 18 of 36 SELECT SELECT 5a O gt gt O Input 1 Mot Lai Hel 4 Input i Bass Aci Tneut Teeb Ais AdE Trial i AGCEnable H Note AGC defaults to N Select each Input that has a source connected 1 2 3 amp 4 AGC is r
31. hat has a source connected 1 2 3 amp 4 Input Set ur Input 1 Input 1 lol Lud 46E Input Set ur Tneut 1 Input 2 4 Bass Adi Bede Input Set ur G Input i Input 3 Treb Adi BAJE Input Set ur Tneut 1 Input 4 AGCEnable H o0 e For Input Vol Lvi SELECT 4 SELECT e For Input Bass Adj and Input Treb Adj O gt _ gt 0O Adjust the value to 6 dB in increments of 5 dB For AGCEnable 5 so Choose N no or Y yes Note AGC defaults to N AGC is recommended for use with low level sources i e microphone with low sensitivity Quteut i a Uol Lul 620E 7 Quteut 1 Bass Lul BAe Quteut 1 Select each Output Treb Lul BAJE to be used 1 2 or Auxout Duti Input Sel Tneut i Quteut Set uF Quteut 1 Quteut Set ur Quteut 2 Quteut Set up Fierul Ausxout Input Sel Input Fixed Auxout Input Sel Input TrackilF For Output Vol Lvl For Output Bass Lvl and Input Treb Lvl D Adjust the value to 6 dB in increments of 5 dB SELECT SELECT Or O For Auxout Input Sel S gt A Selects which inputs are routed to the Aux output Input TrackWP tracks to A B switch on user interface For Out 1 and Out 2 Input Sel Note If TrackWP is selected and a user interface is installed the input A B selected on the user interface will be displayed 27 of 36 5 0 System Setup OO D
32. ilation openings Install in accordance with the manufacturer s instructions To ensure reliable opera tion of the product and to protect it from overheating put the prod uct in a position and location that will not interfere with its proper ventilation Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 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 wider blade or third prong are provided for your safety If the provided plug does not fit in your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched par ticularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manufacturer Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over Unplug this apparatus during lightning storms or LATS when unused for long periods of time to prevent damage to this product Refer all servicing to qualified service personnel Servicing is required when the apparatus has been
33. in one or two zones e Stereo Select Mode With up to two stereo sources connected and using both output channels the system provides stereo sound to a single output zone e Dual Mono Select Mode With two input sources connected to each of the two output channels the system provides audio in two zones e Utility Includes system lockout an option to restore all settings to the factory defaults and the ability to view firmware and EQ versions To confirm your selection press the SELECT button An asterisk appears to the left of the selection made 5 2 2 Setting the options for that mode There are several ways to change settings and particular buttons to use for each type of setting Such as e To adjust Input Vol Lvl use the knobs on the mixer amplifier front panel only The level that Lia is set appears in the menu field but cannot be changed in the menu e For Output Vol Lvl adjust the gain knobs for output located in the front control compartment e For Output Bass Lvl and Output Treb Lvl turn the O gain screws for bass and treble located in the front control compartment e For Page Vol Lvl use the PAGE GAIN knob located in the front control compartment PAGE GAIN e To change Adj menu fields 1 Activate the field by pressing SELECT 2 Use the up or down arrow to adjust the value 3 Press SELECT to confirm the setting and move on SELECT 4 SELECT Reli O _ 0O Note After a 45 sec
34. ine level signal output for other amplified equipment OUTPUTS 1 and 2 Speaker connections for two powered outputs 70V 100V or 4 ohms operation 2 3 3 Control input 8 REMOTE Input jack for volume only control and volume control with A B select user interfaces USE ONLY CLASS 2 WIRING 2 3 4 Power 9 10 BACKUP POWER For connection to backup power source POWER OFF ON AC power switch FUSE 120V T6 3AL 250V or 220 240V T3 15AL 250V AC mains line cord jack AC line voltage input 120V 220 240V switch Switches between 120V and 220 240V AC input voltage This switch is not provided on 100V AC input voltage models 2 3 5 Communication 14 7 of 36 COM RS 232 serial port is reserved for system updates 3 0 Operation Mode Options 3 1 Operation mode options Before making connections decide how you want the sound sources distributed throughout the site This depends on whether the area is specified for one or two zones the kind of coverage needed and the sources to be used The mixer amplifier provides three different modes of operation e Mixer Mode In Mixer Mode the system can mix up to four mic line inputs to each of the two output channels for use in one or two zones e Stereo Select Mode In Stereo Select Mode with up to two stereo sources connected and using both output channels
35. nection panel of the mixer amplifier chassis provides an input voltage switch for 120V or 220 240V use An input voltage switch is not provided on the 100V version Change the setting only as needed Check the switch setting to be sure it is appropriate for the local power standard Set for 120V 220 240V 120V Set for 220 240V 220 240V 120V A WARNING Be sure to disconnect the mixer amplifier chassis from AC power before changing the input voltage setting on the rear connection panel 4 8 2 Fuse type Be sure the proper supplied fuse is inserted in the fuse box Replace the fuse as needed with the proper type 120V units require a T6 3AL 250V fuse 220V 240V units require a T3 15AL 250V fuse 4 8 3 AC POWER connection Insert the proper power cord for the voltage used in your region 4 9 DC POWER connection This unit allows for 24V DC battery backup power in case there is a mains power failure There will be a noticeable reduction in output due to the limited power of this backup power source 15 of 36 5 1 System setup introduction This section provides instructions on adjusting system settings for preferred operation To make these settings the system must be connected to power and the POWER switch set to ON Rear connection panel e Tool a
36. ntrol with A B select user interface is for use in Stereo Select vere GAIN knobs Mode or Dual Mono Select Mode when disabled with an output provides audio from more than bee user interface one input source use d 1 OUTPUT 2 Connection of one or two user interfaces to the chassis disables the output gain knob for the output assigned to that user Note Output 1 gain can be configured as the Master Volume interface controlling Output 1 and Output 2 gains simultaneously using the MasterVol Linked menu option 6 1 1 Mode user interface requirements 6 1 1 2 Stereo Select Mode user interface application e For Mixer Mode OUTPUT 1 2 Sources can be routed to either or both outputs Use of one or A i two volume control user interfaces is optional No user inter NORII faces are required e For Stereo Select Mode Source routing is fixed This mode supports the use of one user Sel cts one interface in a single zone Use the volume control with A B source A or select user interface the other B e For Dual Mono Select Mode in the single zone Source routing is fixed This mode supports the use of one user GAIN knobs interface for each output channel Use two volume controls disabled with with A B select user interfaces user interface OUTPUT1 OUTPUT2 use 6 1 1 3 Dual Mono Select Mode user interface application Adjusts O
37. ond pause with no activity the system resets to the initial menu for the chosen mode 16 of 36 5 0 System Setup 5 3 Mixer Mode settings Here is an overview of common steps to follow in setting up the Mixer Mode A Choose this mode B Set up inputs C Set up outputs D Choose EQ settings E Set up Page Input if applicable F Set up Direct Input if applicable G Set up Master Volume if applicable Setup menus unfold as you move right to the options provided as shown A Choose Mixer Mode Bose DSA 2126 Mixer Amr 5 3 1 A reminder the settings process e For various adjustments designated by Adj use these steps 1 Press SELECT to activate the Adj field 2 Using the up or down arrow adjust the value 3 Press SELECT to confirm the setting and move on SELECT SELECT Hi O _ gt 0O e For level changes designated by Lvl use front panel controls as shown e To change Input Vol Lvl use Q Lisi e To change Output Vol Lvl use O e To change Output Bass Lvl and Output Treb Lvl use a screwdriver to turn O e To change Page Vol Lvl use PAGE GAIN Press SELECT 0 to confirm the mode selection An asterisk marks the selection made Amelifier Mode Fier Amelifier Mode Stereo Select Ame lifier Mode Dualhono Select OO Utilits Mode Mixer CO B Input Set uF next page Mixer Cc Quteut Sei n
38. pports the unit and to prevent chassis movement Be sure to follow the Placement guidelines previously described when choosing a location for the unit 3 terminal input connectors 4 For wiring equipment to the MIC LINE INPUT Euroblock jacks 4 terminal input connectors 2 For wiring equipment to the single PAGE INPUT and single DIRECT INPUT jacks 1 Place the mixer amplifier upside down on a solid level surface on a protective covering to avoid scratching the top of the chassis 2 Insert the supplied rubber feet to the four existing holes on the bottom of the chassis Use a screwdriver to push the locking pins fully into the chassis securing the feet 6 terminal input connector 1 For wiring to the REMOTE jack e 5 terminal output connectors 2 with screw caps For wiring speakers to OUTPUT 1 and OUTPUT 2 Note The rubber feet may be removed by inserting a screwdriver into the screw and turning counterclockwise until the screw backs out of the hole 4 5 Rack mounting the chassis The chassis requires two 1 75 4 4 cm rack space units with a 16 40 6 cm inside depth including the rear supports 3 terminal output connector 1 For wiring to the AUX OUTPUT jack 1 Use the supplied rack ears and hardware for attachment to e Rubber feet 4 For installing the chassis on a the chassis level surface 2 To secure the chassis to the rack use four screws with washers
39. re for installation in a rack 1 3 Mixer Amplifier accessories Application specific Bose accessories e Bose Volume Control User Interface A user interface with a volume control knob that fits into a standard U S double gang junction box e Bose Volume Control with A B Select User Interface A user interface that fits into a standard U S double gang junction box It features volume control and A B select knobs for remote source selection 5 of 36 2 0 Hardware Description 2 1 Front panel with open compartment Bose DXA 2120 SELECT 3 SIGNAL CLIP SIGNAL CLIP SIGNAL CLIP O oO O Oo O PAGE GAIN DIRECT GAIN S ken 2 GAIN 9 BASS TREBLE 2 1 1 System Controls 1 LCD panel Displays menu selections for configuring and viewing system settings 2 Directional buttons Navigates system menus and setting options shown on the LCD 3 SELECT button Confirms selections and settings in the system menus 4 POWER LED Blue light indicates the system is on No light when unit is off 5 SIGNAL and CLIP LEDs Shows signal states for OUTPUT 1 OUTPUT 2 PAGE and DIRECT Signal Unlit No signal Clip Unlit No clipping Signal Green Signal present Clip Red Clipping 2 2 Front panel with compartment closed 3 4 POWER SIGNAL CLIP O oO SIGNAL CLIP SIGNAL CLIP SIGNAL CLIP SIGNAL CLIP o o o o o o o o INPUT 1 INPUT 2 INPUT 3 INPUT 4
40. rect Input Volume 0 dB 0 dB 0 dB 40 dB 10 dB Bass 0 dB 0 dB 0 dB 6 dB 6 dB Treble 0 dB 0 dB 0 dB 6 dB 6 dB Miscellaneous Master Volume Linked N n a n a Output 1 Out 1 2 Input Sel Stereo only n a 1 2 1 n a Out 1 Input Sel Dual Mono only n a n a 1 Input Mix Input 1 Mixer only Y n a n a Input Mix Input 2 Mixer only N n a n a Input Mix Input 3 Mixer only N n a n a Input Mix Input 4 Mixer only N n a n a Spkr EQ Preset 01 80 Hz HPF 01 80 Hz HPF 01 80 Hz HPF Dynamic EQ Enable N N N Page Enable N N N Page Level 0 dB 0 dB 0 dB 20 dB 20 dB Output 2 Out 1 2 Input Sel Stereo only n a 1 2 2 n a Out 2 Input Sel Dual Mono only n a n a 3 Input Mix Input 1 Mixer only Y n a n a Input Mix Input 2 Mixer only N n a n a Input Mix Input 3 Mixer only N n a n a Input Mix Input 4 Mixer only N n a n a Spkr EQ Preset 01 80 Hz HPF 01 80 Hz HPF 01 80 Hz HPF Dynamic EQ Enable N N N Page Enable N N N Page Level 0 dB 0 dB 0 dB 20 dB 20 dB Auxout Auxout Input Sel Stereo Dual Mono n a 1 2 sum 1 Fixed Auxout Input Mix Input 1 Mixer only Y n a n a Auxout Input Mix Input 2 Mixer only N n a n a Auxout Input Mix Input 3 Mixer only N n a n a Auxout Input Mix Input 4 Mixer only N n a n a Spkr EQ Preset 01 80 Hz HPF 01 80 Hz HPF 01 80 Hz HPF Dynamic EQ Enable N N N Page Enable N N N Page Level 0 dB 0 dB 0 dB 20 dB 20 dB These parameters are linked and displayed on the same menu screen The n
41. the system provides stereo sound to a single output zone Refer to Stereo Select Mode on page 9 e Dual Mono Select Mode In Dual Mono Select Mode with up to two input sources connected to each of the two output channels the system provides audio in two zones Refer to Dual Mono Select Mode on page 9 3 1 1 Mixer Mode Line level sources can be connected using the RCA jacks or Euroblock connectors The system sums the two RCA jacks for each input to mono Microphones must be connected using the Euroblock connec tors Make sure the MIC LINE switch is set to MIC INPUT 1 fa LINE Y Mixer mode sources can be routed to either or both outputs as shown below Source 1 INPUT 1 gt OUTPUT 1 and or 2 Source 2 INPUT 2 gt OUTPUT 1 and or 2 Source 3 INPUT 3 gt OUTPUT 1 and or 2 Source 4 gt INPUT 4 gt OUTPUT 1 and or 2 Sources can be independently routed to the auxiliary output In normal operation the OUTPUT 1 and 2 gain controls are used to control the gains of OUTPUT 1 and 2 respectively In this mode you have the MASTERVOL LINKED option which allows you to configure the OUTPUT 1 gain control to control the gains of OUTPUT 1 and 2 simultaneously Note With use of a user interface the chassis output gain knob is disabled Use of one or two volume control user interfaces is optional For further detail see Mode user interface requirements on page 31
42. umbers in parenthesis indicate which input is automati cally selected and routed to the respective output 33 of 36 298725 MTUI BE Better sound through researche 2007 Bose Corporation The Mountain Framingham MA 01701 9168 USA AM298725 Rev 00 pro Bose com
43. vel changes designated by Lvl use front panel controls as shown e To change Input Vol Lvl use z Q e To change Output Vol Lvl use O e To change Output Bass Lvl and Output Treb Lvl use a screwdriver to turn e To change Page Vol Lvl use O PAGE GAIN SELECT Press SELECT to confirm the mode selection An asterisk marks the selection made Mixer Anelifier Mode Anelifier Mode Stereq Select OO O Anelifier Mode Dualhono Select Utilita Mode Stereo Select O B Input Set ur next page Stereo Select O c Qubeut Setup next page Stereo Select O D 4 El Sel ue page 24 7 Stereo Select O E Fase In Set ur page 24 Stereo Select O F Direct In Setup page 25 22 of 36 5 0 System Setup B Stereo Select Input Set up Stereo Select Ineut Sat up Select each Input that has a source connected Tneut Satu TnFut 1 2 Stereo Select v a u T 1 Quteut Set ur 4 es ii ia ia ll Input Set ur IrFiut 1 2 Inreut 3 4 Bass Adi EA ENE Tneut iz Treble Adi SBE m ea Wi ct a i ele go Th Setur A Input 1 2 Pase In setei For Input Vol Lvl iei jale 4 Stereo Select Direct In Set ur For Input Bass Adj and Input Treb Adj SELECT SELECT Adjust the value to 6 dB in increments of 5 dB O67 e For AGCEnable ro Ed Choose N no or Y yes
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