Integra MZA-4.7 User's Manual
Contents
1. R5232 ER 000 t K BH ER ER t R t R S S ojo camo genes SE HREH EXPANSION BUS INPUT HHBH KEY PADI SAT receiver To IR1 FER CD changer Cy DVD Player O 000000 O oooo 0688500 O oa D e On _ A JH Sg Joo DVD Changer Lem Z T eo co TIR IR2 cj ks ToIR1 IR2 VCR f O Eo O e000 0000000 z es LH CT a Fig 5 Zone linking is a useful feature for simplifying control in closely coupled rooms where the rooms require different volume levels and On Off status yet the same audio source If for instance the Lounge and Study zones in the Typical System Configuration on page 9 were always used together on the same source then zone linking could be used to simplify the control of the two otherwise separate zones Zone 2 is simply linked to zone either via the front panel user interface or IMC program see page 22 Once linked both zones will always select the same source whether controlled by the lounge remote control or study keypad It is possible to only link a2. Keypad REPEATS KEY Continuous 1 2 3 4 5 6 7 00 20 40 60 80 AO co EO Bank 6 Amp S6 01 21 41 61 81 A1 C1 E1 Bank 5 Amp S5 02 22 42 62 82 A2 c2 E2 Bank 4 Amp S4 03 23 43 63 83 A3 c3 E3 Bank 3 Amp S3 04 24 44 64 84 A4 CA EA Bank 2 Amp S2 05 25 45 65 85 A5 c5 E5 Bank 1 Amp S1 08 28 48 68 88 A8 CR ES Volume Up 09 29 49 69 89 AQ c9 E9 Standby Command DA 2A 4A 6A 8A AA CA EA Mute Command oc 2C AC 6C 8C AC cc EC Volume Down 0E 2E 4E 6E 8E AE CE EE Standby Mute 10 30 50 70 90 BO DO FO 5 11 31 51 71 91 Bi Di F1 4 12 32 52 72 92 B2 D2 F2 3 13 33 53 73 93 B3 D3 F3 2 14 34 54 74 94 B4 D4 F4 1 15 35 55 75 95 B5 D5 F5 Skip 16 36 56 76 96 B6 D6 F6 Stop 17 37 57 77 97 B7 D7 F7 Play 18 38 58 78 98 B8 D8 F8 0 19 39 59 79 99 B9 D9 F9 9 1A 3A 5A 7A 9A BA DA FA 8 1B 3B 5B 7B 9B BB DB FB 7 1C 3C 5C 7C 9C BC DC FC 6 1D 3D 5D 7D 9D BD DD FD Track 1E 3E 5E 7E 9E BE DE FE Pause 1F 3F 5F 7F 9F BF DF Track FF Stops continuous key press 19 20 Menu Navigation Front Panel user interface The MZA 4 7 has a LCD display and multi jog Rotary Encoder with Push Select for menu navigation The menus are hierarchal providing access and control of all amplifier functions The user navigates through the menu using left right multi jog rotations and pushes for selections or escapes The vertical bars indicate the selected function whil
3. If the Keypad is controlling a Preamplifier zone which is in Independent Mode then Left click Preamp Left clicks on the KEY 5 7 buttons cause the connected Keypad to send the buttons learnt IR commands Repeats determine how many times the IR command is sent on each button click KEY 5 xi Zone pi E m Preamp Repeats 0 z Si ES 53 54 55 56 w In the preset setup window select Macro Using the mouse with left clicks select the Keypad functions required i e S17 1 2 and Play The above sequence is entered into the macro window Save and exit by selecting Default The Integra System is now programmed to Select the S1 source and Play Disc 12 on the S1 source at 6 15am Monday through to Friday Preset setup RW E Selection Default Standard Amp Zones Preamp Zones Macro Force page preset Sound Key Repeats Oh eg Bank 1 0 Ls 1 0 Set up preset 2 2 o Set up preset 3 Play 0 Set up preset 4 Set up preset 5 Set up preset 6 Schedule I Alarmenable f Sun M Thu pes IV Mon IV Fri 6 15 00 M Tue Sat IV Wed Close 27 Specifications Amplifier Section General Rated Output Power FTC Power Supply AC 120 V 60 Hz Front L R 50 watts minimum continuous power Power Consumption 4 0A per channel 8 ohm loads 2 channels Standby Power driven at 1 kHz with a maximum total Consumption 21 4W harmonic distortion of
4. The Page Preset is a special preset that is invoked whenever there is a contact closure across the PG and OV termi nals Each zone on the MZA 4 7 may be set to a specific input utility and at specific volumes depends on room and application When the contact closure is opened the MZA 4 7 returns to its previous states The Page Preset is useful for telephone paging door and gate phone paging or doorbell applications Note The S8 input is summed with the internal doorbell generator 15 RS232 Protocol The RS232 serial port provides data acquisition and control of Integra networks by a home automation system or PC The interconnecting cable must be straight 9 pin D connectors Baud Rate 9600 Characters are all ASCII Command Structure lt command gt lt zone gt lt data gt line feed Command Command Description 01 Standby 02 Mute 03 Source Selection 04 Volume 05 Bass 06 Treble 07 Balance 09 Send All parameters 0B Cause key press on Keypad DC Amplifier features DD Maximum Volume Limit OF Link Zone 11 Volume Up 12 Volume Down 1C Zone Name 1D Preamplifier Volume Mode 1E Preset Selection status 26 Volume BCD format Zone Integra amplifiers and keypads are encoded with up to 32 zones The zone byte is used for checking if the command is applicable to the device receiving the command and if so for optionally selecting a
5. sub device e g a bank or part of a device All Zones are addressed using FF The lower 5 bits of the zone byte represent the zone 0 31 selection i e e 00000 bin 00 hex zone 0 e 00001 bin 01 hex zone 1 e 01010 bin 0A hex zone 10 e 11111 bin IF hex zone 31 The upper 3 bits represent the sub device The sub device codes for the MZA 4 7 are e standard amplifier 000 e page preset amplifier 001 e standard preamplifier 010 e page preset preamplifier 011 Examples Addressing a zone 10 preamplifier Binary 010 01010 or 2A hex Send ASCII 2A Addressing a zone 10 amplifier Binary 000 01010 or OA hex Send ASCII OA Addressing all Zone amp amp preamplifier FF hex Send ASCII FF RS232 Protocol Continued Data Command Content Standby 00 Standby OFF 01 01 Standby ON 04 Toggle Mute 00 Mute 02 01 Un mute 02 Toggle Mute Source Selection 00 S5 03 01 G 02 S7 03 S4 04 S8 05 S1 06 S2 07 S3 Volume 00 AO range 04 Bass F4 OC 12dB 12dB 05 Treble F4 0C 12dB 12dB 06 Balance EC 14 Left 20qB Right 20dB 07 Send all parameters 09 XX value ignored Amplifier features 00 Loudness disabled 11 0C 01 Loudness enabled Maximum Volume Limit 00 AO range OD Link Zone 00 31 zone to be linked OF FF for no zone l
6. 8 BR P P Ca B Schedule H ei x 2 I Alarmenable T Sun V Thu i CR 28 IM Mon IV Fri Ca I 29 6 15 00 Ziel ese V Wed _ E nas 31 E Preset Programming Preset programming effects all zones on the MZA 4 7 There are six momentary preset buttons Preset Preset 6 These presets are stored in the MZA 4 7 and may be setup using the IMC setup window Left mouse click over Set up preset 1 and change any MZA 4 7 function i e On status volume level source selection even bass treble etc If Preset 1 is required to effect changes to the other zones on the MZA 4 7 then either change the main window s zone or open other IMC main window instances and make the required changes then left click over the Default selection to exit Preset 1 is now programmed and will be set to the programmed preset states whenever the MZA 4 7 receives the preset 1 IR control string or RS232 command The process is the same for all other presets The Preset may be re named Right click on the Preset button in IMC s main window Opens the name edit window Enter the new text and click OK to save and exit The name is also added next to the Set up preset in the Preset Setup Window E Page Preset Left click the Force page preset and make changes to zone settings in IMC s main window Click Default to save and exit If a door bell sound has been uploaded to the amplifier then it may be optionally included in the pr
7. and change to the required assignment pushing the Knob to set 4 Wire the keypads to the rear of the amplifier 5 To setup the keypad follow the Controllers instruc tion manual Briefly e with a zone press the SET key behind the cover plate followed by the S2 key e Turn the required amplifier zone ON and OFF twice The Keypad beeps signalling it has been successfully zoned The Keypad now controls that zone e Learn codes into the Keypad by first selecting the source button ie S3 Press the SET key followed by the S1 key to enter keypad IR learning mode e Press the button you want to learn an IR code into e Align the remote with the front lower window and press the button on the remote to donate the IR code to that button Continue learning codes for that source e Press the SET key to exit learn mode e Select the next source ie S2 Then press SET followed by S1 and repeat the learning process 6 To prevent a user from changing the MZA 4 7 s critical installation settings Setup Lockout can be selected in the Setup Menu To enter the setup menu press and hold the multi jog for gt 10 second scroll through to Setup Lockout enter and select Yes The Setup and More menus on the amplifier are no longer accessible to the user 7 To unlock the MZA 4 7 return to the setup menu as above And enter the password 1396 Important Safety Instructons 2 Quick Install Guide 00 0 e
8. the sofa or lounge suite e Zone 2 The Study This is a listening environment where remote con trols are not welcome on the busy desk The best solution is a wall mounted keypad An Integra key pad displays amplifier power and source selection status The keypad learns the source equipment IR commands and relays these to the equipment via the MZA 4 7 Zone 3 The Gym An Integra keypad are used to provide additional access to the CD changer and SAT receiver In addi tion the Keypads IR receiver is enabled so that changes can be made using a remote while working out es Zone 4 The Bedroom An Integra keypad is situated by the bedrooms adjoining ensuite and provides control in that envi ronment The bedroom control is via the keypad s IR receiver and a learning remote control Source control IR emitters are plugged into the IR out ports There are two IR ports which combine both the control ler inputs ORT IR2 These outputs control sources required in all zones i e DVD VCR CD and DMS Each controller interface has an associated IR Out port that routes IR only to that output In Fig 1 the SAT emitter is plugged into IR out port IR1 which means the zone 1 3 and 4 controllers may control the SAT source The Tuner emitter is plugged into IR Out port IR2 so only the zone 2 controller may control the Tuner E Source Components The MZA 4 7 has RCA audio inputs for connecting seven stereo source components and one
9. Sound Direct IMC to the file location of suitable wav files Click Open to upload the file to the amplifier Exit Shuts down IMC The option menu contains the port assignments The program lists the ports on the PC laptop Select either USB or a suitable COM port for RS232 Programming Using IMC Integra Music Center Continued fed Inteera Music Center a File Options e we Amp Preamp Preset 1 d on H D Preset 2 Sa et Preset 3 Preset 4 Preset 5 Palau el ea Pt 0 FEE Preset 6 MECO IR IS EK RES IS SIE It Pef qi Mute Mute Setup Yoane UU N amp ga E Zone Select To select the zone move the cursor over the zone tab s down arrow and left click A zone list window appears make the selection with a left mouse click Placing the cursor over the zone tab s room description displays information about the amplifier s device ID serial number E Zoned Functions e Standby On Off control of the amplifier or preamplifier is achieved by a left click over the standby buttons The blue LED and the button shading indicate On status A name edit window is opened by a right click above the standby Button enter the new text and click OK to save and exit The room name is transferred to the amplifier Amp standby button F xj Enter label Cancel e Mute A left mouse click above the mute button mutes the amplifier or preamplifier a further life cl
10. expansion bus The expansion bus feature vastly simplifies the installa tion cabling of an amplifier stack One amplifier is connected to another using a 34 way ribbon cable Connections are made from the output of the first amplifier to the input of the second etc All audio sources must be connected to the first ampli fier Note Video signals are not passed through the expan sion bus Door Bell Looped 1 5 second mono sounds can be generated as part of a page preset Suitable wav files are uploaded to the unit using the IMC program IMC truncates the wav files to a suit able size 12VDC 1A Power Two 12VDC jacks are available for powering external accessories internally fused at 1A Self resetting Amplifier ON Status Amp On Each zone has front panel ON status indication and 12VDC OUT on the rear panel connector 1 2 3 4 amp The AMP ON output is a logic And output i e if any zone is ON then the output will be 12V This is useful for driving a relay that connects AC power to source equipment The AMP ON output s are pro tected against shorts The AMP ON outputs default to tracking the preamplifier ON status but may optionally be set to track the amplifier ON status using the IMC program Power Failure Restoration After an AC power outage the MZA 4 7 restores its set tings to the pre interrupted state All internal settings are stored in non vo
11. mono source The Fig 1 configuration has only six of the possible eight sources populated Each zone may select from any of the connected sources Someone in the lounge may be listening and viewing the DVD source while another in the study may be listening to music from the Digital Music server All four zones may even select the same source in such circumstances there is a possibility that all four zones may be trying to control that source this is not always desirable so a system should be well planned and where appropriate additional source equipment installed E Speakers Speakers in each zone are connected to the MZA 4 7 by Home Run speaker cables Each zone has a maximum loading of 6 ohms Fig 1 depicts a powered subwoofer in the study The subwoofer is driven by the zone 2 preamplifier and is set to track the zone 2 amplifier volume The subwoofer vol ume or offset can be adjusted for correct tonal balance Fig 1 additionally depicts a pair of speakers in the bed room These are the associated bedroom ensuite speak ers and are driven by a low powered slave amplifier The zone 4 preamplifier has been set to Independent mode and connects to the low powered slave amplifier Independent mode is where the preamplifier volume may be different from the amplifier volume within a range of 68 it also has independent Standby and Mut ing E Video Outputs The composite video outputs are suitable for driving ON
12. pair of zones together i e zone 1 linked to zone 2 On the same MZA 4 7 it would be possible to also link zone 3 to zone 4 Options are also provided for Linking volume and or standby via IMC Automation Control System Interface Contact closure required when paging OC DONEA bitzt HHHH RER EXPANSION BUS OUTPUT GER AC INLET Da GN a aaa la CAUTION SPEAKER IMPEDANCE EACH 42 MIN SPEAKER aie o EXPANSION BUS INPUT ooagg0000000000 8909090000000008 ZONE SPEAKERS E S H Wada RRR ee ee Line Level Input P Phone or Paging System Fig 6 Any MZA 4 7 parameter is controllable using the serial RS232 interface The RS232 protocol is outlined in the follow ing section and encompasses both the amplifier and connected keypads The interface is bidirectional allowing the amplifier and network to be monitored The interconnecting cable must be straight 9 pin D connectors Fig 6 shows a typical touch panel controller providing the user interface to an MZA 4 7 The controller has its own operating system that is programmed to handle the RS232 protocol An automation system is not restricted to touch panels it may be an extension of a home lighting security building management or other specialized home automation system
13. 0 05 Dimensions THD Total Harmonic 0 05 Power Rated WxHxD 17 1 8 X 5 5 8 X 15 13 16 Distortion 0 05 1kHz 1W Weight 27 8 lbs Damping Factor 60 Input Sensitivity and P Impedance 720 mV 22 kQ Unbalanced Video Inputs Preamplifier Output Composite Ge D F Level and Impedance Z1 Z4 L R 16 dB 680 Q E Video Outputs Frequency Response 20 Hz 50 kHz 0 dB 3 dB Composite Z1 Z Tone Control 10 dB 100 Hz BASS 10 dB 10 kHz TREBLE E Audio Inputs Signal to Noise Ratio 95 dB S1 IHA A Analog Inputs S1 S8 Speaker Impedance 62 162 E Audio Outputs Video Section Zone Pre Output Z1 Z4 e E e Speaker Outputs Z1 Z4 L R Input Level amp Impedance S1 S8 1 Vp p 75 Q Composite E Interf Buffered Video Output SACE IR Output A B IR1 IR2 3 5mm phone Jack Level and Impedance S1 E Son Bus Input amp Output 34 0 1 Double R S8 1 Vp p 75 Q Composite xpansion Bus Toa g utput 34 way 0 ouble Row Output Level amp B Impedance Z1 Z4 1 Vp p 75 Q Composite 12V DC 1 Amp Power Two DC power sockets Center positive 2 1mm pin diameter RS232 One DB9 9600 Baud USB One USB mini B 5 pin Controller Two 4 way terminal blocks OV IR 12V amp Data Amp On Control One 7 way terminal plug with Amp ON 1 4and One Page Preset Contact closure Input PG Specifications and features are subject to change without notice Integra Division of ONKYO U S A CORPORATION 18 park Way Upper Saddle Rive
14. Continued Rear Panel AC INLET AC 120V 60Hz FUSE 125V 5A HERE integrae mun zone en O te MODEL NO MZA 4 7 RS232 0000 dooosaaa00000000 Cae Emm HAHAHA EXPANSION BUS OUTPUT WPG 1234 awe on AN WARNING AVIS A CONTROL H Kam CAUTION SPEAKER IMPEDANCE EACH 49 MIN SPEAKER a HERE ZONE SPEAKERS E d olo gH 22382318 O O HEHE 1 j pata tavint ov OU AC INLET IEC socket Speaker Terminals Plug in terminal clamp connectors accept 1 5mm speaker wires ZONE PREOUT Audio and composite video outputs RS232 Comm Port The port is used for setup control or monitoring The interconnecting cable must be straight 9 pin D connectors EXPANSION BUS OUTPUT 34 way IDC header Connects to the expansion bus input of the next MZA 4 7 in the stack AMP ON CONTROL A contact closure between the PG and OV terminals invokes the Page preset enabling paging or doorbell activation AMP ON 1 2 3 and 4 output 12VDC when the Zone preamplifier or amplifier is ON while AMPON is 12VDC when any of the zones are ON Controller Interface For connecting to keypads and IR receivers There are two controller interface ports KEY PAD1 and 2 and each are linked with an IR
15. E composite video display device To avoid signal degradation home runs of appropriate video cable should be less than 100 meters Controller Termination HHE oV PG 1 2 3 4 AMP ON CONTROL AIR OUTPUT OO A IR2 DATA 12V IR2 0V KEY PAD2 IR1 IR2 Q O OJ Orange and Green White Blue White Green White Orange CAT5E cable used to connect controllers to MZA 4 7 Pin 8 Wire Color Keypad function 1 White Orange 12V DC supply 2 Orange DV supply 3 White Green IR output 4 Blue nc 5 White Blue Data input 6 Green DV supply 7 White Brown nc 8 Brown nc Table 1 Fig 2 The recommended wiring and color scheme is shown in Fig 2 Use the Standard 568 B color code for the CATSE termination to the Controller see Table 1 Although it is possible to daisy chain controllers we recommend home runs of CATSE cable with a maximum cable length of 200m Note Some IR receivers have an Amplifier On indicator their On terminal should be connected to the zone s AMP ON output not to the controller interface ports Data terminal 11 Advanced IR Control D Se sss DEU BPANBIONBUSOUT
16. Multizone Amplifier MZA 4 7 Instruction Manual Integra WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPARATUS WARNING AVIS RISK OF ELECTRIC SHOCK A RISQUE DE CHOC ELECTRIQUE DO NOT OPEN NE PAS OUVRIR TO RAIN OR MOISTURE CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL equilateral triangle is intended to alert the user to the AN presence of uninsulated dangerous voltage within A intended to alert the user to the presence of important The lightning flash with arrowhead symbol within an the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is operating and maintenance servicing instructions in the literature accompanying the appliance Important Safety Instructions NYDN ZS DA HA rs 10 11 12 13 14 Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radia tors heat registers stoves or other apparatus including amplifiers
17. PANSION BUS OUTPUT PER Lampon CONTROL AC INLET D GEN E m o 12V OUT IR OUTPUT CAUTION SPEAKER IMPEDANCE EACH 42 MIN SPEAKER m o zone SPEAKERS 6233228382388833 mn Tuner To IR2 Z SAT receiver TR O ooo 0000 Ge EE HH z KT emer CD changer DVD Player O 900000 O ze z 0 00 O vooo 0666500 lt 0 oo l E LI z Gg F oo To IR1 IR2 WS e VCR H gt To IR1 IR2 d DVD Changer Se es es ees el O oooo 0000000 Wm Wm Fig 4 CT CT In large installations where multiple MZA 4 7 s are required the expansion bus may be used to convey inter amplifier control source component Audio and IR Fig 4 shows inter connected amplifiers using an expansion bus lead The source component audio inputs must be plugged into the first MZA 4 7 where they are buffered and sent to the next amplifier in the stack The maximum recommended expansion is eight units If connecting serial RS232 only one connection to any amplifier is necessary 13 14 Zone Linking Lounge Study TV or screen
18. PUT wre aa contol 1 ov ai outeur s RS dE BEER v Ze j ed j SG EEEE ATA TAV IRT OV KEY PADI To A To IR2 Fig 3 IR routing discussed in Typical System Configuration on page 9 is used to address specific centrally located source components When several same brand and model source components are required in an installation steps must be taken to isolate the radiated IR from interfering with their discrete operation This may be achieved either by installing them in different cupboards or by using black IR blocking foam tape over the IR emitters The IR blocking foam tape is the preferred solution since cupboard doors are often left open Fig 3 shows a typical installation where several SAT receivers and tuners are required The dashed lines enclosing the source components represent IR isolation Multiple MZA 4 7 Stacks To next amplifier in the Stack SHNRNKb AC INLET suse NHK HEH L R R z z CAUTION SPEAKER IMPEDANCE EACH 42 MIN SPEAKER HHC BEBE EXPANSION BUS OUTPUT r 12V OUT in OUTPUT ojojo sed ANIA Center KEY PAD2 make OjO B im DATA TV IRT OV HHHHHHH EX
19. The limit is indicated above the slider level by a black bar as shown above in the Kitchen s volume slider e Preamplifier Tracking Independent Mode The chain link button between the volume sliders is used to toggle the preamplifier volume tracking mode When the chain symbol is unbroken the preamplifier volume tracks the amplifier volume An offset between the preampli fier and amplifier volume may be made by identifying the volume bar to be changed with a left click then make the change on the keyboard by holding down the Ctrl key and adjust the level using the Up or Down keys When the chain link button is broken the preamplifier is in Independent mode While in independent mode the preamplifier volume may be adjusted independently from the amplifier volume with one restriction the maximum difference between the preamplifier and amplifier volume level is lt 68 e All Off Left mouse clicks while over the All OFF button turns OFF all MZA 4 7 zones e Setup Opens the Setup Window giving access to the occasionally used functions e Preset 1 6 Momentary Presets These are used for creating scenes and alarm clock events e Preset Setup Opens the Preset Setup Window where the alarm clock and presets are programmed Programming Using IMC Integra Music Center Continued Setup Window The window provides the means to control the occasionally used functions like bass treble amplifier and preamplifier bal
20. afety Instructions on page 2 USB RS232 and IR Control The MZA 4 7 may be controlled and monitored via either the front Panel USB or rear panel RS232 serial interface In multi amplifier installations where the amplifiers are interconnected using an expansion bus cable only one USB or RS232 connection is required to control the stack of amplifiers A MZA 4 7 may receive IR directly from the front panel receiver or via the two Controller Interface connec tions There are zone specific IR commands and also a set of global IR commands The commands are ON OFF Standby toggling Mute Amp Volume Up Amp Volume Down Pre Volume Up Pre Volume Down Source Selects On with Source Spe cific commands The Global commands also include PRESET1 PRE SET 6 Alarm Enable Alarm OFF and 5 minute Sleep Real Time Clock The MZA 4 7 is equipped with a real time clock The amplifier may be set up to function as an alarm clock so that at 6 30am in the morning 5 days a week the master bedroom zone could be made to turn on select tuner and go to a specific volume Multiple Alarms are feasible max of 6 However the Alarm Enable amp OFF commands act upon all programmed Alarms The clock continues to operate typically gt 48 hours with out power more than enough to keep the time current during lengthy power outages IR Emitter Ports There are 4 Buffered IR emitter Ports Two IR ports have routing and are linked
21. all Parameters command 09 is gt 144 bytes All command fields listed in this document are contained in the reply The reply also contains advanced commands not listed in this document The home automation or PC s buffer should be large enough to receive and process the 144 byte reply E If two pairs of zones are linked on an MZA 4 7 i e zones 1 amp 2 and zones 3 amp 4 and a Link Zone command is sent that links zones 2 amp 3 then the MZA 4 7 has the following implications e Zone 2 links to Zone 3 e Since zone 2 is no longer linked to zone 1 zone 1 shall no longer be linked to zone 2 e Since Zone 3 is no longer linked to zone 4 zone 4 shall no longer be linked to zone 3 Example strings 010A01 Standby ON command for zone 10 amplifier 012A01 Standby ON command for zone 10 preamplifier 060002 2dB Treble setting on zone 0 03IF02 S7 source selection on zone 31 amplifier 0B0311 Volume down continuous push on zone 3 keypad RS232 Protocol Continued Keypad Key Codes An Integra Keypad may be directed to emit its learnt IR commands via RS232 control This is achieved by sending a Cause key press on Keypad command 0B followed by the zone and the Keypad key code data The Keypad key code is encoded with IR string repeats See table below To terminate a continuously repeating Key press command a FF keypad key code must be sent
22. ance and loudness These are all adjusted using a left mouse click while above the button or slider Note The preamplifier and amplifier share the same bass and treble control Loudness is defeated when the preamplifier is set to Independent Mode Any one zone may be linked to one other zone by left clicking the Link Zone down arrow and making the selection from the zone list Linked zones have the same source selection Volume and standby may also be linked using the Link Volume and Link Standby Tabs If both volume and standby are selected then the two zones are fully linked and completely mimic each other The Ampon outputs on the MZA 4 7 default to tracking the preamplifier ON status However when in independent mode it may be useful for the Ampon output to be assigned to the amplifier Select using a left click on the Amp tab J Bass Treble Amplifier Balance 0 dB Preamplifier Balance 0 dB Zone linking TI Loudness Link bd ink zone none EN Link volume C Am te nes Link standby GP 25 26 Programming Using IMC Integra Music Center Continued Preset Setup Window Preset setup d EI Selection Amp Zones ee Standard P Preamp Zones Macro ce tPF zm ti ris orce page prese OUN T Tv Ce 5 li B M 18 Set up preset 2 z 3 z E e wv 4 20 f Set up preset 3 rs go Set up preset 4 Te IT 22 Set up preset 5 CR 2 Set up preset 6
23. asive cloths thin ners alcohol or other chemical solvents because they may damage the finish or remove the panel let tering 4 Power WARNING BEFORE PLUGGING IN THE UNIT FOR THE FIRST TIME READ THE FOLLOWING SEC TION CAREFULLY AC outlet voltages vary from country to country Make sure that the voltage in your area meets the voltage requirements printed on the unit s rear panel e g AC 230 V 50 Hz or AC 120 V 60 Hz The power cord plug is used to disconnect this unit from the AC power source Make sure that the plug is readily operable easily accessible at all times 5 Never Touch this Unit with Wet Hands Never handle this unit or its power cord while your hands are wet or damp If water or any other liquid gets inside this unit have it checked by your Onkyo dealer 6 Handling Notes e If you need to transport this unit use the original packaging to pack it how it was when you origi nally bought it e Do not leave rubber or plastic items on this unit for a long time because they may leave marks on the case e This unit s top and rear panels may get warm after prolonged use This is normal e If you do not use this unit for a long time it may not work properly the next time you turn it on so be sure to use it occasionally 7 Speaker Shorts Under no circumstances should the speaker output terminals of the unit be short cir cuited or connected to another output 8 RS232 Connection Avoid plugging
24. e none May be linked to any ONE zone Menu Navigation Continued e Preamp Volume Only displayed if the room is a preamplifier e Mode Track Two options track or Independent e Track Offset 0 37 to 25 range of adjustment e Return Return Steps back to More function menu Steps back to the Primary func tions menu E System Setup System Setup Set Clock The System Setup menu is entered by pushing and hold ing the Multi Jog for gt 10 seconds Rotating the Multi Jog displays the next System Setup function in the list e Set Clock e Presets e Restore Defaults e Setup Lockout e Return Set Clock The clock is 24 Hour mode and is set by first adjusting the hours then minutes and finally the day after which the menu escapes back to Set Clock Set Clock 1141 45 Thu Presets Presets can be created Alarm Clock and Paging preset programmed Presets Clear Alarms The menu has the following selections e Clear alarms Deletes all Alarm Clock program ming e Preset 1 Creates preset 1 The following setup is the same for all other pre set e Set Alarm Sets the time and day s the alarm is to operate e Alarm Enable Activates the alarm e Setup Preset Displays a Preset version of the Primary functions menu where function values are adjusted Select PS 1 to save and exit e Room Selection Rooms may be excluded from the preset e Return Escapes to the Preset Menu e Preset 2 Cr
25. e the animated bars indicate the selected function may be edited After 30 seconds of multi jog inactivity the menu returns to the currently selected zones primary functions menu If the Zone is ON then volume will be selected if OFF Power is selected E Firmware Display MZA 4 7 Firmware XX The model and firmware version is displayed for two seconds after initially powering the MZA 4 7 Note The firmware may be updated to the most recent version by using the USB uploader program check with your dealer for this procedure E Primary Functions Menu 08 40 Zone 1 Kekaa 08 40 Zone 1 OnIVol40IS1 t gt If the zone is Off then the clock zone or room name power Off and select room arrow are displayed Selection bars are shown surrounding the OT Power Status Rotating the multi jog left or right shifts the selection bars so that either the power or select room arrow may be selected Pushing the multi jog when power is selected will turn the Zone 1 amp ON and display further functions e On Off Power Status e Vol Adjustment 0 99 e Source Select S1 S8 e Select Room e More Functions Menu To adjust volume move the selection bars to surround the volume status and push the multi jog the selection bars animate indicating function edit rotate the multi jog to adjust the volume To escape push the multi jog To mute or un mute long press the multi jog for 2 sec onds while the volume
26. eates preset 2 e Preset 3 Creates preset 3 e Preset 4 Creates preset 4 e Preset 5 Creates preset 5 e Preset 6 Creates preset 6 e Page Preset Creates page preset e Return Escapes to the Setup Menu Restore Defaults Clears the amplifier memory deleting Zone assignments Room names Zone Linking Maximum Volume Limits Bass Treble amp Balance adjustments Loudness settings Preset and Alarm clock and Preset programming Select Yes to Restore Defaults System Setup Restore Defaults Are you sure Yes _ INol Setup Lockout Locks access to the System Setup and More menus where installation critical adjustments can be made System Setup Setup Lockout Are you sure Yes INol To clear the Setup lockout enter enter the Setup Menu by holding down the multi Jog for gt 10 seconds and enter the password 1396 Return When entered returns to the Primary Functions menu E Protection If the MZA 4 7 is operated in a confined space and in very high ambient temperatures the thermal protection may activate Upon activation a protection message and temperature is displayed e Protection 100 C All zones have volume reduced 20dB e Protection 105 C All zones are shutdown until the temperature reduces below 50 C The message is cleared either when the multi jog is pressed or when the temperatures normalise The reduc tion of volume is turned off when the temperature of the amplifier drops bac
27. ee eteeeeteeeeeeeeeeeeeeeee 3 Supplied ACCESSOFICS nosines iiig ta 3 Precautions Features ssssesseeseeessreesirrsssssrrrnnsirnssinsnernnssnne Part Names and Functons 7 Typical System Configuration 0 ceeeeeee 9 Controller Termination ccccceeeeeeeeeeeees 11 Advanced IR Control sale Multiple MZA 4 7 Stacks nsee 13 ZOMG LINKING seirinin 14 tee RE 15 RS232 Protocole EE 16 Menu Navigation s siccccccessinedsceescveceecearseecevecteacses 20 Programming Using IMC Integra Music Center 22 Specifications 0 ceeeceeeeeeeeeeeeeeseeeeeeeeeeeeeeneee 28 Supplied Accessories Make sure you have the following accessories AC Power Cable ey CD ROM In catalogs and on packaging the letter at the end of the product name indicates the color Specifications and operations are the same regardless of color Precautions 1 Recording Copyright Unless it s for personal use only recording copyrighted material is illegal with out the permission of the copyright holder 2 AC Fuse CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE T6 3A 250V FUSE REFER REPLACEMENT TO QUALIFIED SER VICE PERSONNEL 3 Care Occasionally you should dust the unit all over with a soft cloth For stubborn stains use a soft cloth dampened with a weak solution of mild deter gent and water Dry the unit immediately afterwards with a clean cloth Don t use abr
28. emitter port providing IR routing KEY PADI The 12VDC output is internally fused self reset ting and has a maximum load of four Keypad or IR receivers The Data terminal sends amplifier sta tus to the Keypads Routed IR Emitter Ports 3 5 mm mono phone jacks IR1 and IR2 are used to control specific source components The port is only output IR strings received from their associated controller interface IR Emitter Ports 3 5 mm mono phone jacks The two jacks labeled IR1 IR2 are for control of source components com mon to all zones They output the combined IR1 and IR2 IR strings Codes supplied from KEY PAD1 will not present on IR2 Codes supplied from KEY PAD2 will not present on IRI 12V OUT The connectors supply 12VDC 1Amp max Centre Positive 2 1mm pin diameter D EXPANSION BUS INPUT Connects with another MZA 4 7 s expansion bus output provides connection of source equipment audio control and IR 2 INPUT Terminals Source component line level and composite video inputs Typical System Configuration Lounge TV or screen 1000 000 000 Keypad 2 Zone 1 Zone 2 Bedroom amp Ensuite OOO TV or 883 Wor screen 298 O 56000 screen 00000 Z
29. es and 10 cm 4 at the rear The rear edge of the shelf or board above the apparatus shall be set 10 cm 4 away from the rear panel or wall creating a flue like gap for warm air to escape Quick Install Guide Table of Contents Unpacking Immediately upon receiving your MZA 4 7 inspect the carton for evidence of mishandling during shipment Then carefully unpack the unit and inspect for damage Please save the shipping carton and all inner packing materials in the event that the MZA 4 7 needs to be shipped for service or moved to a new location Should you discover that the MZA 4 7 has been damaged during shipping please contact your dealer immediately 1 Check website for latest firmware and upload if not current 2 If adding an amplifier to an exiting stack or combin ing amplifiers all firmware must be the same on all amplifiers 3 Zone setting The units all ship with zones 1 2 3 4 already setup To add additional amplifiers to a stack the zones must be changed on the additional amplifiers If there are zone duplications in a stack of amplifiers the zones with the same number will exactly mirror each other s operation To change an amplifier zone follow the following steps e Do not connect the expansion bus cable e From the front facia rotate the Knob to select the appropriate amplifier turn it on and then select the More menu right arrow Scroll through the menu and select Set Zone
30. eset by clicking the Sound tab All zones will be automatically set to input S8 Whenever a contact across the PG and OV terminal is closed the amplifier will assume the programmed states and if Sound was selected the uploaded wav file will be played in a continuous loop for the duration of the contact closure When the contact opens the amplifier reverts to its previous settings E Alarm Clock Programming An alarm clock event may be included in a preset In the Preset Setup window left Click a spare Set up preset for this example Preset 6 is selected Left click the Alarm Enable in the Schedule panel Select the required time and days that the Alarm is to operate and change all the required settings in IMC s main window i e which zones are ON their volume and source selection etc Left click the Default selection to save and exit The preset 6 command will then be invoked at 6 15 in the morning Monday Friday To turn the alarm clock off select Setup Preset 6 and in the Preset Schedule panel de select the Alarm Enable Left click the Default selection to save and exit Programming Using IMC Integra Music Center Continued E Source Control Alarm Clock Programming If a KEY 5 7 keypad is connected to the MZA 4 7 then source control can also be included in an alarm preset In IMC s main window file open a KEY 5 7 keypad Window Select the connected Keypad s zone in Zone tab
31. fied service personnel under the following conditions A When the power supply cord or plug is dam aged B If liquid has been spilled or objects have fallen into the apparatus C If the apparatus has been exposed to rain or water D If the apparatus does not operate normally by following the operating instructions Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the apparatus to its normal operation E If the apparatus has been dropped or damaged in any way and F When the apparatus exhibits a distinct change in performance this indicates a need for service Object and Liquid Entry Never push objects of any kind into the apparatus through openings as they may touch dangerous volt age points or short out parts that could result in a fire or electric shock The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids such as vases shall be placed on the apparatus Don t put candles or other burning objects on top of this unit Batteries Always consider the environmental issues and fol low local regulations when disposing of batteries If you install the apparatus in a built in installation such as a bookcase or rack ensure that there is ade quate ventilation Leave 20 cm 8 of free space at the top and sid
32. ick un mutes it e Source Selects One of eight sources S1 S8 may be selected the button shading indicates the selection A source s name may be changed with a right click over the source select button A name edit window appears and new text entered The short label limited to 3 characters appears on the amplifiers front panel while the Label is displayed in IMC Source select button x Short label Di Label fs Cancel 23 24 Programming Using IMC Integra Music Center Continued LEE Music Center i ll xi Mhteera Music Center ll File Options File Options Preset 1 Preset 2 Zone Zone 5 2 7 Amp Preamp Preset 1 2 Amp Preset 2 S fx F S1 sS E Preset fe S2 Ed ab Preset 4 mi fz Ce S Preset 5 s3 57 z Preset 6 S4 se si iz Al off Set Si All off EEN Mute Mute Setup E g Mute Mute Setup Preset 3 Preset 4 Preset 5 Preset 6 A St e Volume Levels The volume sliders may be changed either by left clicks above or below the displayed level or by dragging the level down using a left click and hold Note If the amplifier is in Tracking mode then changing one volume changes the other e Maximum Volume Limit The maximum volume limit is set firstly by identifying the slider with a left mouse click then on the keyboard hold down the Shift key and adjust the level using the Up and Down keys
33. inking Volume Up XX value ignored Volume Down 12 XX value ignored Zone Name 1C Data field contains the ASCII string Preamplifier Volume Mode 1D 00 AO range FF Independent mode Preset Selection 1E All Zone function Zone byte FF 00 Default exit preset mode 01 Force Page Preset 02 Select Preset 1 03 Select Preset 2 04 Select Preset 3 05 Select Preset 4 06 Select Preset 5 07 Select Preset 6 Volume BCD Format 26 0 99 in BCD format same as Front Panel display Notes E Commands are used as notifications If an amplifier is switched ON it will notify the other devices on the control bus by sending the Standby command 01 Any amplifiers with the same zone will take the notification as a command and also switch ON E When a command is sent to an amplifier it will first be transmitted on the control bus and then returned to the PC Home automation system If an error occurs an error will be returned instead of the original command The PC Home automation system needs to ignore its command when it is returned 18 RS232 Protocol Continued E A Standby ON command implies that the amplifier is not muted if the amplifier was previously OFF a mute command must follow the Standby command if it is muted E Not all Command and Data commands are covered in this document E The expected reply for the Send
34. is selected When making a source selection S1 has wide selection bars compared to S2 S8 This is useful reference posi tion should the source names have been changed using the IMC program E Select Room Select Room 0000 Z4 Amp Bedroom The selected device zone zone number and room name if named are displayed The Illuminated circle represents the selected device zone The order left to right is the same as the front panel Zone power indicators useful feature when the amplifier s zones have been assigned out of order Rotating the multi jog moves the selection through the eight possible devices e Zl Amp Lounge Zl Pre Z2 Amp Study Z2 Pre e Z3 Amp Gym Z3 Pre e Z4 Amp Bedroom e Z4 Pre Ensuite Press the multi jog to enter the selected rooms primary function menu E More Functions Menu Function Bass 0dB Selecting the right arrow in the primary function menu accesses the More Functions Menu The available functions are e Bass 0dB e Treble 0dB e Balance 0dB 12dB of adjustment 12dB of adjustment 20dB adjustment to the Left or Right Defaults Off and disabled when PRE is set to independent mode Loudness Off e Max Volume 99 May be set between the maximum of 99 and minimum of 20 e Set Zone 1 Zone encoding 0 31 but not a zone occupied already on the amplifier e Name Maximum of 10 characters upper and lower case text e Link Zon
35. k to normal Protection 100 C 21 22 Programming Using IMC Integra Music Center Overview IMC is an amplifier setup program Full control and tracking of any MZA 4 7 zone is provided The program runs on PC s running Win 2000 Win XP operating systems and communicates via either RS232 or USB When a MZA 4 7 is first attached to a PC running IMC the clock is automatically set to the PC s current time and date A Keypad controller connected to the amplifier may also be controlled by IMC OS File Options o Preamp Preset 1 Ee Pe ep Preset 2 Sc Preset 3 id Preset 4 Ee EH ZS Preset 5 54 se Preset 6 a a eal Setup All oft Setup S Mute Mute Setup Main Window IMC s main window provides most of the user functionality required for real time access and control of any Integra MZA 4 7 amplifier zone The file menu contains the New Window Keypad Window View Amplifier Log Import Keypad File and Exit commands New Window Opens another instance of IMC s main window This is useful for displaying and controlling multiple zones simultaneously Keypad Window A keypad window is displayed and a user can cause the selected keypad on the network to emit its stored IR strings View Amplifier Log Displays all historical over temperature events and the date and time they occurred Upload
36. latile memory except the clock that runs for at least 48 hours on stored power Restore Defaults The MZA 4 7 may be set to the default settings Restoring Defaults clears all memory and resets the zone allocations to zones 4 Setup Lockout Locks access to the System Setup and More menus where installation critical adjustments can be made Password 1396 Firmware Upgradable May be updated with the latest operational firmware using the USB Uploader program Provides a degree of future proofing and flexibility Part Names and Functions Front Panel Integra Front Panel Solid Aluminum front Panel Infra Red Receiver Receiver for the MZA 4 7 IR control Not IR pass through 3 LCD display Back lit LCD display for menu guided control and programming The display is dimmed when all zones are OFF LO Multi Jog The display menus are navigated and selections made using left and right rotation and pushes on the knob Zone Indicators From left to right zone 1 4 The indicators are blue when ON and flash red when the amplifiers are overdriven into clipping USB Mini B port The port is used to setup control or monitor the MZA 4 7 An USB mini cable must be used when connecting to a PC or building management system Chassis Feet Set high enough to provide unrestricted airflow through the chassis for convection cooling Part Names and Functions
37. ne or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit dif ferent from that to which the receiver is connected e Consult the dealer or an experienced radio TV tech nician for help For Canadian Models NOTE THIS CLASS B DIGITAL APPARATUS COMPLIES WITH CANADIAN ICES 003 For models having a power cord with a polarized plug CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT Mod le pour les Canadien REMARQUE CET APPAREIL NUMERIQUE DE LA CLASSE B EST CONFORME A LA NORME NMB 003 DU CANADA Sur les mod les dont la fiche est polaris e ATTENTION POUR EVITER LES CHOCS ELEC TRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRE SPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND Features Thank you for purchasing an Integra MZA 4 7 Multi Zone Amplifier Please read this manual thoroughly before making connections and plugging in the unit Following the instructions in this manual will enable you to obtain optimum performance and listening enjoyment from your new Multi Zone Amplifier Please retain this manual for future reference Multi Zone Multi Source Video Switching The MZA 4 7 has four separate preamplifiers and ampli fiers providing 4 zones of independent yet integrated control There are seven stereo sou
38. one 3 Zone 4 wate en E J ge faz HHHHARH RNE BE BEI la Hal ASSA si Gel E EE ET ee i ERRO Q 2383835333333533 HC EEE KEY PADI z za R ZONE SPEAKERS l Tuner gt To IR2 SAT receiver amp TIRI O nod 0000 SS ae Ls CD changer DVD Player O 000000 oO Sp 0200 O oooo zie 688800 Opoo Z H RS KH Z gt gt To IR1 IR2 RS x 7 VCR f DVD Changer SC To IR1 IR2 Ee O oooo 20000000 weg Fig 1 ST E 10 Typical System Configuration Continued Fig 1 depicts a typical configuration where the MZA 4 7 is providing audio into four listening zones Each zone consists of aroom with a pair of speakers and a suitable controller Additionally a zone may require TV s or screens In Fig 1 three such screens are shown in the Lounge Gym and Bedroom Each zone may be lis tening watching any of the connected sources Satellite Receiver DVD Video Digital Music Server CD Changer or Tuner E Controllers Each zone has specific control requirements Zone 1 The Lounge The ideal control in the lounge environment is from
39. r N J 07458 U S A Tel 201 785 2600 Fax 201 785 2650 http www integrahometheater com Integra Division of Enl ONKYO CORPORATION Sales amp Product Planning Div 2 1 Nisshin cho Neyagawa shi OSAKA 572 8540 JAPAN D0612 2 Tel 072 831 8023 Fax 072 831 8124 C Copyright 2006 ONKYO CORPORATION Japan All rights reserved 29344365A
40. rces S1 S7 and an eighth mono source S8 typically used for paging applications Each zone has an eight source composite video switcher so monitor screen s in four different rooms may display any of the eight sources S1 S8 Preamplifiers and Outputs Each zone has bass treble balance and loudness control These are accessed either from the front panel or IMC Integra Music Center program The preamplifier output volume may be independent of the amplifier volume or made to track the amplifier with an adjustable offset 20dB The tracking feature is ideal for passive subwoofer control while the indepen dent volume feature is useful for limited control in closecoupled rooms A useful protection feature is Maximum Volume limit ing This limits the maximum volume of either the amplifier or preamplifier Amplifier Power Protection and Clipping Indicators 50 Watts RMS per channel into 8 ohms capable of driv ing into 6 ohms The amplifiers are protected against short term output shorts The front panel zone indicators will flash red when the zone amplifiers are overdriven into clipping Thermal Control There are three progressive levels of thermal control e An internal fan is turned on to aid cooling e The amplifier volume is reduced 20dB e The amplifiers are shutdown until the temperature reduces below the first level Care should be taken to ensure adequate ventilation see Important S
41. 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 wide blade or the third prong are pro vided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience recepta cles and the point where they exit from the appara tus 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 PORTABLE CART WARNING Loch tg 315 SE Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 16 17 18 Damage Requiring Service Unplug the apparatus from the wall outlet and refer servicing to quali
42. the RS232 cable into the unit while power is connected 9 Direct Sun light Avoid installing the amplifier in positions where the front panel is exposed to direct sunlight may cause control to become sluggish 10 Controller Connection Never connect more than four controllers to the 12VDC power supply termi nals The supply is internally fused and will open circuit self resetting Never connect the amplifier s 12VDC terminals to an external power supply For U S models FCC Information for User CAUTION The user changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interfer ence in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accor dance with the instructions may cause harmful interfer ence to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful inter ference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by o
43. to their respec tive Controller Interface ports These ports control zone specific source components Two IR ports are the sum of both IR sources these control the All zone source components Presets and Paging There are six amplifier presets and a page preset Presets 6 are momentary and cause the amplifier to go to a predetermined setup i e standby volume amp source selection The presets may also be programmed with event sched uling and are used by the alarm clock The Page Preset mode is for paging applications and is invoked by a contact closure between the OV and the PG terminals When the contact closure is released the amplifier zones return to their previous states Zone Linking A zone may be programmed to link one other zone Zone linking ties the source selection together It may also tie the volume and standby This is useful for closely coupled audio areas where it is Features Continued advantageous to have different volume control but the same source or the same volume with separate standby control Zone linking is setup either via the front panel user interface or by the IMC program 32 Zones There are 32 zones of possible control On a MZA 4 7 each zone must be different however in a multiple amplifier stack same zone amplifiers are pos sible they simply mimic every parameter Expansion Bus Data IR Amp On amp Audio sources are interconnected via the
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