ALLEN & HEATH DR66 Installer/User Manual
Digital audio mix processors
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Summary of Contents for ALLEN & HEATH DR66
- Page 1 DR66 & DR128 Digital Audio Mix Processors INSTALLER USER GUIDE Publication AP4333...
- Page 2 In certain territories the terms may vary. Check with your ALLEN & HEATH agent for any additional warranty, which may apply. DR66 & DR128 Installer User Guide AP4333 Issue 3. Copyright © 2001 Allen & Heath Limited. All rights reserved Whilst we believe the information in this guide to be reliable we do not assume responsibility for inaccuracies.
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Page 3: Table Of Contents
Introduction This user guide refers to the Allen & Heath DR128 and DR66 digital mix processors loaded with Version 2 or later operating software. Units loaded with earlier versions can be updated to take advantage of the features available from Version 2. Further information and the software itself can be downloaded from our Web site: http://www.allen-heath.com... -
Page 4: Important Safety Instructions
Unauthorised changes or modifications may invalidate the warranty or legal compliance of the unit and could void the user’s authority to operate it. WARNING: This equipment must be installed and configured by competent technical personnel only. DR66 & DR128 Installer User Guide... -
Page 5: Mains Voltage Setting And Plug Wiring
The wire which is coloured Blue must be connected to the terminal in the plug which is marked with the letter N. The wire which is coloured Brown must be connected to the terminal in the plug which is marked with the letter L. DR66 & DR128 Installer User Guide... -
Page 6: Welcome To The Dr Series
DR128 12 In 8 Out Digital Audio Mix Processor The DR66 and DR128 are part of the Allen & Heath Contractor Series designed for installed sound such as public announcement, conference and background music systems in hotels, restaurants, government buildings, sports and leisure facilities and so on. -
Page 7: Main Features
Level, mute and polarity control Independently available for every input and output channel. • Assignable signal processing resources 31/15/7 band graphic, 6/4/2 band Parametric EQ, Noise gates, Compressors. Internally expandable for more DSP power and/or output delay function. DR66 & DR128 Installer User Guide... -
Page 8: System Block Diagram
System Block Diagram DR66 & DR128 Installer User Guide... -
Page 9: Basic Principles
Basic Principles Audio Inputs and Outputs The DR66 and DR128 audio mix processors accept any level of microphone or line level input signals. These are pre-amplified and adjusted to the correct internal operating level required by the processor using the rear panel and internal gain trimmers and pad jumper links. If required phantom power can be independently selected for each mic input using internal links. -
Page 10: Front Panel
WinDR software. Function Keys 8 Front panel function keys are provided on the DR66 and 12 on the DR128. These can be assigned by the installer according to the requirements of the installation. They would typically be assigned as level trim, channel mute, source select or patch change for day-to- day operation. - Page 11 Version 1.xx software. Note that Version 2 operating software runs a different SysNet protocol using the RS232 port and does not require this option. The DR66 system block diagram is printed on its top cover for convenient installer reference.
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Page 12: Rear Panel
There is no interruption to the operation of the unit. The DR66 has its battery input on the REMOTE D-type connector. The DR128 has its battery input on a pair of ¼” terminals. - Page 13 Line Outputs Low impedance, balanced line level audio outputs are provided on male XLR sockets. The DR66 provides 6 while the DR128 provides 8. These can drive the long cable to the amplifier racks typical in most installations without signal loss or interference pickup.
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Page 14: Installation
Height 48mm (1.9”) DR128 Rack Mount 2U high in 19” rack. Width 482mm (19”) Depth 350mm (14”) Height 88mm (3.5”) Desk or Shelf Ears removed, feet fitted. Width 440mm (17.3”) Depth 350mm (14”) Height 92mm (1.9”) DR66 & DR128 Installer User Guide... -
Page 15: Connecting Power Supplies
The fuse is located on the PSU circuit board. For access, remove the top cover. WARNING: Remove all power to the unit when replacing the fuse. DR66 & DR128 Installer User Guide... -
Page 16: Earthing
Mic/Line input link the cold input (XLR pin3) to 0V earth (XLR pin1) at the unit. To connect a balanced Line output to an unbalanced destination, link the cold output to 0V earth at the DR unit. DR66 & DR128 Installer User Guide... -
Page 17: Configuring The Hardware
Check that the top line of the LCD displays the name ‘DEFAULT’. Using the DR66/DR128 step through the patches using its front panel f7/9 keys. This routes one input to all outputs. Calibrate the input sensitivity using the f8/10 meter. -
Page 18: Calibration Adjustments Available
WARNING: Do not remove the power unit covers. Remove and refit the top access cover and reposition the internal jumper links with power to the unit switched off. Only apply power when calibrating the audio signal levels. DR66 & DR128 Installer User Guide... -
Page 19: Labelling The Function Keys
Meter Meter Meter Clip Headroom Level Setting Green Amber -10dBV (-8dBu) -32dBu -8dBu -2dBu +4dBu 12dB 0dBu -24dBu 0dBu +6dBu +12dBu 12dB 0dBu -20dBu +4dBu +10dBu +16dBu 16dB +4dBu -20dBu +4dBu +10dBu +16dBu 12dB DR66 & DR128 Installer User Guide... -
Page 20: Calibrating The Xlr Mic/Line Inputs
Selecting Phantom Power Phantom power can be individually selected for each mic/line input. The DR66 provides +18V while the DR128 provides +15V to pins 2 and 3 of the input XLR, sufficient to drive the powered microphones typical of installed sound systems. If the source does not require phantom power set the internal jumper link to the off position as shown. -
Page 21: Calibrating The Rca Phono Line Inputs
Calibrating Line Input Gain DR66 Set the internal jumper link in the –10dBV position for low level sources, or in the +4dBu position for high level sources. DR128 Adjust the internal trimmer by carefully inserting a small flat bladed screwdriver through the access hole shown, locating it in the trimmer slot and rotating it to set the input sensitivity over its 12dB range to match the source. -
Page 22: Calibrating The Xlr Line Outputs
Use high grade shielded cables for audio connections. Calibrating Output Level DR66 Set the internal jumper in the –10dBV position to match low level equipment, or in the +4dBu position to match high level equipment. The high position is best for +4dBu or 0dBu professional equipment. -
Page 23: Remote Switch Wiring
Remote Switches The DR66 provides 12 opto-isolated remote switch inputs on a 25-way D-type female socket. The DR128 provides 8 inputs on a 9-way D-type female socket. These are typically used to connect momentary action switch contact closures to control the DR unit if required by the application. -
Page 24: Remote Output Wiring
Simply wire the switches in parallel. Remote Outputs The DR66 provides 4 opto-isolated output control lines. None are available on the DR128. These are typically used to provide remote indication such as active patch, source or channel mute, or to trigger remote equipment such as room dividers or lighting systems. -
Page 25: Fitting The Dspx Expander Option
The DSPx option card is available from Allen & Heath. It plugs into a slot on the CPU motherboard and provides additional DSP processing power. One card can be fitted to the DR66, two to the DR128. Each card adds two PE’s (processing engines) which can be loaded with additional resource racks in the usual way. -
Page 26: Configuring The Software
IMPORTANT: Check that the DR operating code version number is the same as the WinDR version you are about to run. This is displayed on power up. You can also view this by pressing and holding the front panel ESC key. DR66 & DR128 Installer User Guide... -
Page 27: Installing The Windr System Manager
Start WinDR and open a new file. If you choose to run off-line tick either the DR66 or DR128 selection. In this case a front panel simulation window opens so you can check the operation of the switch and LED assignments. -
Page 28: Using Windr
‘configuration files’. It is good practice to save the configuration file to disk to archive or back up the settings. The saved file can be opened from disk later, for example when loading a similar unit. DR66 & DR128 Installer User Guide... -
Page 29: Configuring Control
A stereo link function is provided so that one switch can affect two adjacent channels. The front panel LEDs can be assigned as signal meters, mute or status indicators. The remote outputs (DR66 only) can be assigned as status indicators or external equipment triggers. Networked Computer System ®... -
Page 30: Using The Dr
The installer can provide as much or as little control to the operator as appropriate. This section describes the basic operation of the DR66 and DR128 front panel controls as assigned by the installer. For operating instructions on the remote equipment refer to the relevant user guides or suppliers. -
Page 31: The Function Keys
Mon 19:03:26 then the display indicates as shown here. The Function Keys The 8 DR66 and 12 DR128 front panel function keys may be assigned and operated as follows: Unused The key has no function. The display does not change. - Page 32 Patch 1 is selected by scrolling using the ▲ or ▼ key and then 01/08 Daytime recalled by pressing SET►. You can access all the available patches in this way. Mon 19:03:30 DR66 & DR128 Installer User Guide...
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Page 33: The Function Leds
The Function LEDs The DR66 and DR128 function LEDs above the function keys may be independently assigned by the installer according to application required. The switch and LED functions do not need to be related. For example, the LED may be assigned as an input channel signal meter while its associated key is a level select, or the switch could be unassigned while its LED provides a status indication. -
Page 34: The Setup Keys
Navigate the menus in this way. Menu Map Menu Item LCD Contrast Contrast [01 to 16] Clock Hours Minutes Seconds [00 to 23]] [00 to 59] [00 to 59] Day of Week [Monday Sunday] DR66 & DR128 Installer User Guide... -
Page 35: Adjusting Lcd Contrast
*3 Day of Week DAY: Wednesday Return to Normal Operation Once you have made your adjustments press ◄ESC to exit the setup menu and return to normal operation. DR66 & DR128 Installer User Guide... -
Page 36: Appendix A : Earlier Version 1 Software
Appendix A : Earlier Version 1 Operating Software This user guide refers to the newer Version 2 operating software for the DR66 and DR128. The DR unit hardware is the same for both versions (except for SysNet). The last release of Version 1 at the time of print was V1.83. This can be loaded into the DR unit in place of earlier versions or the later Version 2. - Page 37 [1dB..60dB] [1db/s.. 100dB/s] [On/Off] Limiter O/P Channel Threshold Response [1..8] [-1dB..-30dBFS] [Slow, Med, Fast] Name Output [Output Name] Name Input [Input Name] Name Patch [Patch Name] Save Patch [Patch Number] Recall Patch [Patch Number] DR66 & DR128 Installer User Guide...
- Page 38 However, this appendix provides sufficient V1.83 information for the experienced installer using this user guide. Contact Allen & Heath tech support for information on the following if required: Publication AP3138 DR66 User Guide (Version 1 software) Publication AP2973 DR128 User Guide (Version 1 software) Publication AP3168...
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Page 39: Appendix B : Technical Specification
482 x 380 x 44mm (rack mounting) Add 4mm height for desk feet Dimensions (DR128) 482 x 380 x 88mm (rack mounting) Add 4mm height for desk feet Options DSPx DSP Expander card, DSPd Output Delay card DR66 & DR128 Installer User Guide... -
Page 40: Appendix C : Dr66 Architects Specification
The unit shall be the Allen & Heath DR66 digital audio mix processor. DR66 & DR128 Installer User Guide... -
Page 41: Appendix D : Dr128 Architects Specification
The unit shall be the Allen & Heath DR128 digital audio mix processor. DR66 & DR128 Installer User Guide... -
Page 42: Installation Log Sheet
Installation Log Sheet SHEET : INSTALLATION : DATE : CONFIGURATION FILE : PATCH : NOTES : DR66 & DR128 Installer User Guide... -
Page 43: Dr128 Front Panel Label Template
Insert the label left hand tab into the alignment slot. Line up the label right hand top with the top of the LCD slot. Secure in place with adhesive tape. Refit the DR128 front facia. DR66 & DR128 Installer User Guide... - Page 44 Visit our Web Site: www.allen-heath.com DR66 & DR128 Installer User Guide...
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