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Axium AX4752, Installation & Operation Manual

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INTRODUCTION 

 
The 

AX4752

 multi-zone audio/video amplifier combined with Axium controllers, and/or a 

home automation system enables you to individually control the power, volume and source 
selection in up to four rooms, with four Sub-zone preamplifier outputs available.  
Axium multi-zone amplifiers may be interconnected via the expansion bus, providing up to 
32 zones of control which vastly simplifies installation cabling. 
An RS232 & USB interface may be used to control & monitor the amplifier either from a PC 
or building management system. 
 
Axium Keypads are IR Learning and include a host of features to simplify / enhance the 
amplifier and source equipment control. Such features include amplifier feedback of 
Power, source select etc, IR receiver pass through, macro and long press functions. 
The IRFX Infra-Red receiver is plasma proof & sunlight tolerant utilizing Axium’s ‘Data-
stream filtered’ technology to provide the best possible IR system reliability.  
 
A utility program called AMC is available on the product CDROM or Axium website.  
AMC provides a simple user interface from a PC or Laptop, and provides control of all Axium 
networked components.  
 

FUSE

0V   PG   1    2    3    4   #    C    D

Expansion Bus Output

RS232 Serial interface

Expansion Bus Input

L            R

230 - 240VAC 50 - 60Hz

500VA

 Fuse = 2.5A Slow Blow

ZONE1

ZONE2

ZONE3

ZONE4

CD          TA           TU           UT

INPUT  SOURCES

PRE OUTPUTS

 Z1           Z2           Z3            Z4

L

R

L

R

CAUTION ATTENTION

RISK OF ELECTRIC

SHOCK  DO NOT

OPEN

RISQUE DE CHOC

ELECTRIQUE NE PAS

OUVRIR

POWER

L            R

AX4752i
Multi-Room amplifier
Made in New Zealand
Audio Engineering Ltd

Z 107

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC

SHOCK DO NOT EXPOSE THIS UNIT

TO RAIN OR MOISTURE

Data 12V IR1 0V

Data 12V IR2 0V

IR outputs

IR2

IR1+IR2

IR1

AMP ON

L            R

L            R

12:18     Master Bed
 On <Vol50> DVD

 SAT       DVD        VID         AUX

L

R

+12V

 

 

AX-KPD

KRXm and KRXs

DISC

1

4

2

5

3

6

9

8

7

0

-/--

AV

SELECT

GROUP

RANDOM

CD

MCD

AUX

TU

DMS

DVD

VOL

MUTE

Axium

+

-

IRFX

- VOL

VOL +

0

6

7

9

8

5

1

2

4

3

Skip

SET

CD

Tuner

Cable

DMS

Aux

DVD

Axium

Summary of Contents for AX4752

Page 1: ...INSTALLATION OPERATION MANUAL AX4752 Multi Zone Audio Video amplifier Four Zone Seven Source 50W Per Channel Total In Home Connectivity 12 18 Master Bed On Vol50 DVD 12 18 Master Bed On Vol50 DVD ...

Page 2: ...s of quality and reliability To view Axium s product line of multi room amplifiers controllers accessories please visit the Website at www axium co nz Table Of Contents INTRODUCTION 1 FEATURES 2 INSTALLATION GUIDE 4 FRONT PANEL GUIDE 5 REAR PANEL GUIDE 6 TYPICAL SYSTEM CONFIGURATION 7 CONTROLLER TERMINATION 9 ADVANCED IR CONTROL 10 MULTIPLE AX4752 STACKS 11 ZONE LINKING 12 AUTOMATION 13 RS232 PROT...

Page 3: ...eam filtered technology to provide the best possible IR system reliability A utility program called AMC is available on the product CDROM or Axium website AMC provides a simple user interface from a PC or Laptop and provides control of all Axium networked components FUSE 0V PG 1 2 3 4 C D Expansion Bus Output RS232 Serial interface Expansion Bus Input L R 230 240VAC 50 60Hz 500VA Fuse 2 5A Slow Bl...

Page 4: ...lation guide The front panel zone indicators will flash red when the zone amplifiers are overdriven into clipping USB RS232 IR Control The AX4752 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 cont...

Page 5: ...ons 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 amplifier Note Video signals are not passed through the expansion bus Amplifier ON Status Amp On Each zone has front panel ON status indication and 12VDC outputs on the rear panel connector 1 2 3 4 The AMP ON output is a logic And output i e if any of the zones are ON...

Page 6: ...w freely and escape from the amplifier surroundings Failure to do so may cause thermal shutdown of the unit or intermittent channel cutout and reduced life expectancy A thermal temperature log is kept 3 Under no circumstances should the speaker output terminals of the unit be short circuited or connected to another output 4 Avoid plugging the RS232 cable into the unit while power is connected 5 Ne...

Page 7: ...are OFF 4 Rotary Encoder Push Select The display menus are navigated and selections made using left and right rotation and pushes on the knob 5 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 6 USB port Front panel programming 7 Chassis Feet Set high enough to provide unrestricted airflow through the chassis...

Page 8: ...ceivers The Data terminal sends amplifier status to Axium keypads 15 Routed IR Emitter Ports 3 5mm mono phone jacks IR1 IR2 are used to control specific source components The ports only output IR strings received from their associated controller interface 16 IR Emitter Ports 3 5mm mono phone jacks The two jacks labeled IR1 IR2 are for control of source components common to all zones They output th...

Page 9: ...O REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE Data 12V IR1 0V Data 12V IR2 0V IR outputs IR2 IR1 IR2 IR1 AMP ON L R L R SAT DVD VID AUX L R 12V DMS player Tuner CD changer DVD Player VCR Player SAT receiver To IR1 To IR1 IR2 To IR2 To IR1 IR2 Gym Study Lounge IRFX Receiver Controller 1 interface Keypad Controller 2 interface DISC 1 4 2 5 3 6 9 8 7 0 AV SEL...

Page 10: ...at routes IR only to that output In Fig1 the SAT emitter is plugged into IR out port IR1 which means the zone 1 3 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 Source Components The AX4752 has RCA audio inputs for connecting seven stereo source components one mono source The Fig 1 configuration has onl...

Page 11: ...is 200m When 12VDC is applied to the IRFX ON terminal the receiver module s Ampon indicator illuminates The ON terminal should be terminated to the amplifier zone s Ampon output not to the controller interface ports Data terminal 9 0V PG 1 2 3 4 C D Data 12V IR1 0V Data 12V IR2 0V IR outputs IR2 IR1 IR2 IR1 IR1 IR2 AMP ON Data 12V IR 0V CAT5E cable used to connect controllers to AX4752 ...

Page 12: ...stallation where several SAT receivers and tuners are required The dashed lines enclosing the source components represent IR isolation The second identical sources may be plugged into unpopulated AX4752 inputs i e Tape and Aux Axium controllers and sources may be re labeled to identify their selection location Axium also offers an Emitter Expander EX4 This device simply provides connection for up ...

Page 13: ...CTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR POWER L R AX4752i Multi Room amplifier Made in New Zealand Audio Engineering Ltd Z 107 WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE Data 12V IR1 0V Data 12V IR2 0V IR outputs IR2 IR1 IR2 IR1 AMP ON L R L R SAT DVD VID AUX L R 12V FUSE 0V PG 1 2 3 4 C D Expansion Bus Output RS232 Seri...

Page 14: ...d be possible to also link zone 3 to zone 4 Options are also provided for Linking volume or standby via AMC 12 FUSE 0V PG 1 2 3 4 C D Expansion Bus Output RS232 Serial interface Expansion Bus Input L R 230 240VAC 50 60Hz 500VA Fuse 2 5A Slow Blow ZONE1 ZONE2 ZONE3 ZONE4 CD TA TU UT INPUT SOURCES PRE OUTPUTS Z1 Z2 Z3 Z4 L R L R CAUTION ATTENTION RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELE...

Page 15: ...ecific volumes depends on room application When the contact closure is opened the AX4752 returns to its previous states The Page Preset is useful for telephone paging door gate phone paging or doorbell applications Axium also offers a six channel relay driver REL6 which may be encoded for up to 16 Zones of IR control Typical REL6 applications are the control of curtains screens fan fan speed light...

Page 16: ... 15 Erase Memory 16 Request all IR function definitions 17 IR function Definition 18 Keypad Setup 19 Request Keypad setup 1A Time 1B Preset Schedule 1C Zone Name 1D Preamplifier Volume Mode 21 Request Amp Source Keypad assignments 60 6F User defined IR commands no data byte 70 7F User defined IR commands one data byte Zone Axium amplifiers and keypads are encoded with up to 32 zones The zone byte ...

Page 17: ...s by sending the Standby command 01 Any amplifiers with the same zone will take the notification as a command and also switch ON When a command is sent to an amplifier it will first be transmitted on the Axium 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 ...

Page 18: ...ommand a 00 keypad key code must be sent REPEATS KEY Continuous 1 2 3 4 5 6 7 00 xx xx xx xx xx xx xx Stops repeating the current key 01 21 41 61 81 A1 C1 E1 Aux 02 22 42 62 82 A2 C2 E2 Tuner 03 23 43 63 83 A3 C3 E3 CD Bank 04 24 44 64 84 A4 C4 E4 CD 05 25 45 65 85 A5 C5 E5 Vol Up 06 26 46 66 86 A6 C6 E6 Ch Up 2 07 27 47 67 87 A7 C7 E7 Random 1 08 28 48 68 88 A8 C8 E8 Play 09 29 49 69 89 A9 C9 E9 ...

Page 19: ...y s t e m S e t u p R e s t o r e d e f a u l t s S e t C l o c k The system settings menu is entered by pushing and holding the enter Key for 10 seconds Rotating the encoder displays the next system set up function in the list Restore Defaults Set Clock or Return icon Restore Defaults Pushing the enter key will clear the AX4752 memory deleting room names linked Zones maximum volume limits bass tr...

Page 20: ...round the volume status and push the enter key the selection bars change to brackets rotating the encoder knob now adjusts the volume To escape the adjustment mode simply push the enter Key The AX4752 always returns to the last selected zone s volume status after 30 seconds of inactivity Functions Power On Off Volume 0 99 Mute Long press 2 seconds when volume selected Source select CD TU TA AUX DV...

Page 21: ... Balance 20dB adjustment to the Left or Right Loudness ON or OFF disabled when PRE is set to independent mode Max Volume May be set between the maximum of 99 and minimum of 20 Set Zone Zone encoding 0 31 but not a zone occupied already on the AX4752 Name Maximum of 10 characters upper and lower case text Link Zone May be linked to any ONE zone Preamp Volume Only displayed if the room is a preampli...

Page 22: ...t of the user functionality required for real time access and control of any Axium AX4752 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 AMC s main window This is useful for displaying and controlling multiple zones simultaneously Keypad Window A keypad window is displayed and a user ca...

Page 23: ...status The standby buttons may be named with the room name A name edit window is opened by a right click over the standby button Enter the new text The room name is transferred to the AX4752 and also appears in the zone tab Mute A left mouse click above the mute button mutes the amplifier or preamplifier a further left click un mutes it Source Selects One of eight sources CD TU TA UT SAT DVD VID A...

Page 24: ...y 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 The zone 2 Main window above illustrates this and refers to the Typical System Configuration on page 7 In this example zone 2 s preamplifier drives an active subwoofer The offset adjustment balances the Subs level i...

Page 25: ...e 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 Link Standby Tabs If both volume and standby are selected then the two zones are fully linked and completely mimic each other The Ampon output s on the AX4752 default to t...

Page 26: ...eives the preset 1 IR control string or RS232 command The process is the same for all other presets Force page preset is used to program the page preset When selected changes made to the zone functions and levels are programmed To exit the Force page preset select Default Whenever a contact across the PG 0V terminal is closed the AX4752 will go to the programmed states and when the contact opens t...

Page 27: ...e it can be made to send it s source control commands In the preset setup window select Macro Using the mouse with left clicks select the Keypad functions required i e CD select 1 2 Play The above sequence is entered into the macro window Exit the Set up Preset 6 by selecting Default The Axium System is now programmed to Select the CD source and Play Disc 12 on the CD player 6 15am Monday through ...

Page 28: ...n 2 dB steps Maximum Volume Limit Range Vol 20 99 VIDEO Input Output Impedance 75Ω Video Bandwidth 50Hz to 12MHz 3dB Cross talk between channels typically 70dB INFRA RED RECEIVERS Control Receiver Modulation frequency 38KHz Control Receiver Range 8m 30 off axis GENERAL Controller Interface 12VDC Outputs Maximum of 4 controllers Output or 0 4A Load Amp ON Outputs 1 2 3 4 and 12VDC 300mA max Power R...

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