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C-4.4 Installation Instructions 
Rev 1; 6-25-07 

28

SPECIFICATIONS 
 
Amplifier  

Output Power 

20 watts per channel (20Hz to 20 KHz).1% 

 

THD all zones driven. 

Input Sensitivity 

.750mV 

Input Voltage (max.) 

5V 

 

IR 

IR Modulation Frequency Bandwidth: 

38 KHz-56 KHz (IR Pass-Through) 

IR Modulation Frequency Bandwidth: 

25 KHz-70 KHz (Learned IR) 

Keypad IR Sensor Range: 

30’ 

 

 

General 

Source Inputs: 

4 stereo audio line level inputs  

Expansion: 

Up to 8 Zones using two C-4.4 

 Controllers 
RS-232: 

9600 Baud, Asynchronous, 8 Data Bits, 1 Stop Bit, No 
Parity, No Handshake 

12V Trigger Output: 

12VDC @ 100mA 

12V Audio Mute Input: 

32VDC  

Power Requirements: 

120VAC 

Power Consumption: 

300 Watts 

Keypad Connections: 

4 RJ45 Terminals, TIA568A configuration 

IR Outputs: 

1 common; 4 source specific 

Dimensions: 

17”W x 3 7/8”H x 14”D (including feet and 

 connections.) 
Weight: 15 

lbs 

Summary of Contents for C-4.4

Page 1: ...INSTALLATION INSTRUCTIONS C 4 4 MULTI ZONE CONTROLLER...

Page 2: ...se caution when moving the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to q...

Page 3: ...4 Video Option 14 Mute 15 RS 232 15 Trigger 15 CONNECTIONS 15 HEAD END CONNECTIONS 15 Keypads 15 Speakers 15 Source Audio 16 IR Emitters 16 Mute 16 RS 232 16 Trigger 16 ZONE CONNECTIONS 16 Keypads 16...

Page 4: ...C 4 4 Installation Instructions Rev 1 6 25 07 4 Tone Controls 26 CD DVD VCR MP3 etc 26 Satellite Cable XM Sirius VCR Tuner Etc 26 Group 26 TROUBLESHOOTING 27 SPECIFICATIONS 28 WARRANTY 29...

Page 5: ...n be used with the included RC 4 Remote Control or any properly programmed IR remote for additional flexibility and armchair control The keypads also feature a four position DIP switch that sets keypa...

Page 6: ...ate with a particular keypad because there is no keypad connected or due to a wiring error the LED for that zone will turn red for the duration of the initialization sequence after which all LEDs will...

Page 7: ...mmed remote 7 Common One 3 5mm mini jack connects to an amplified IR Connecting Block or standard emitter for IR control of devices other than the four connected sources This jack outputs all IR comma...

Page 8: ...selected device play when selected and also provide a play button for normal operation When programmed these buttons have the same function as the corresponding buttons on the RC 4 Remote Control 18...

Page 9: ...pad bezel is removable to allow configuration of the Source Button Labels 22 Volume Control Buttons Two buttons provide control of local zone volume Figure 4 K 4 4 Keypad Rear Panel K 4 4 KEYPAD REAR...

Page 10: ...ard reverse and stop can be programmed For tuners commands such as scan up down seek up down preset up down select or band can be programmed When the system is properly programmed these buttons have t...

Page 11: ...C 4 4 Installation Instructions Rev 1 6 25 07 11 Figure 6 Typical C 4 4 System...

Page 12: ...ible Leave plenty of extra wire to be able to easily remove components should they need service or replacing Zone Considerations Think the system through in terms of how the system will be used What i...

Page 13: ...ight can interfere with the IR sensors on the keypads and interfere with system performance The keypad IR receiver should be turned off in rooms with bright sunlight where an IR remote is not going to...

Page 14: ...speaker location to the C 4 4 Controller location WIRE GAUGE 16AWG stranded up to 75 14AWG stranded up to 100 Non shielded preferred NOTE MAX LOAD 8 ohms per zone Do not load more than one pair of 8 o...

Page 15: ...or stranded wire to a voltage sensing device to be controlled by the C 4 4 Terminate the C 4 4 end with a 3 5mm mini plug Terminate controlled device end as appropriate POLARITY TIP 12VDC SLEEVE GND W...

Page 16: ...nd ground input terminals on an amplified IR connecting block to drive additional emitters POLARITY TIP SIG SLEEVE GND NOTE The ALL IR output will output IR from any keypad or remote in any zone inclu...

Page 17: ...s and provide multiple video outs that can be distributed to the zone video displays and maintain proper signal level IR Emitters The IR Emitter Outs on the Master and Slave Controllers are independen...

Page 18: ...8 is ON the Slave Trigger will output 12VDC If there is a system device that is common to both controllers and needs to be triggered when any zone is ON the two Trigger Outs can be connected in parall...

Page 19: ...es 5 8 will mute The trigger voltage for audio mute can be connected to the Mute Inputs on both controllers in parallel to mute all zones when 12VDC is present as shown in Figure 13 1 Using a 2 male t...

Page 20: ...C 4 4 Installation Instructions Rev 1 6 25 07 20 Figure 14 Expanded C 4 4 System...

Page 21: ...membrane does come loose carefully put it back in place and do not touch the contacts on the circuit board 2 Carefully remove the source button key caps 3 Carefully peel the appropriate Button Label o...

Page 22: ...up is active ON That is After a source has been selected in a zone in the Group as additional zones in the Group are tuned ON they will turn on to the source selected by the first active zone With mul...

Page 23: ...ource has been selected the LEDs will stop scrolling and the LED corresponding to the source selected will illuminate solid red 3 If the component being programmed has a play command CD play DVD play...

Page 24: ...ol package This allows system operation such as turning on certain zones for background music when the alarm system is deactivated Conversely a command can be sent to turn all zones off when the alarm...

Page 25: ...ff When using two C 4 4 s in a single system RS 232 control of each controller is independent Source Select Sxy cr x zone valid range 1 4 y input range 1 4 Similar to selecting a source on a remote ke...

Page 26: ...keypads CD DVD VCR MP3 etc Press a Source Button 1 4 to select and play a device such as a CD or DVD player iPod etc Press or to select previous or next track or disc as programmed Press to stop or o...

Page 27: ...er is attached over the IR eye of the device being controlled and is connected to the proper C 4 4 Controller IR Output c Confirm IR commands are programmed to the Controller for the selected device N...

Page 28: ...Learned IR Keypad IR Sensor Range 30 General Source Inputs 4 stereo audio line level inputs Expansion Up to 8 Zones using two C 4 4 Controllers RS 232 9600 Baud Asynchronous 8 Data Bits 1 Stop Bit No...

Page 29: ...right to modify the design and specifications of any product at anytime without obligation to advise the purchaser of previously manufactured products and to change the prices of any product without...

Page 30: ...llation Instructions Rev 1 6 25 07 30 NEXUS AUDIO SYSTEMS INC 20 Hamilton Road Barrie Ontario L4N 8Y5 Canada Tel 705 737 2629 866 303 2629 Fax 705 792 3990 www nexusaudiosystems com 2007 Nexus Audio S...

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