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Summary of Contents for Merging DUA II
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Page 1: Audio Interface
DUA II Audio Interface User Manual Version: DOC-1.0 (March 20, 2000) © 2000 Merging Technologies... - Page 2 DUA II User Manual © 2000 Merging Technologies...
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Page 3: Table Of Contents
DUA II S ........................ 14 YNCHRONIZATION HART APPENDIX 3 - UPGRADING THE DUA II FIRMWARE ..................15 APPENDIX 4 – TROUBLESHOOTING / FAQ ...................... 15 APPENDIX 5 – GLOSSARY OF TERMS ....................... 16 © 2000 Merging Technologies DUA II User Manual... -
Page 4: Important Notice
Please take all of the necessary precautions when handling the DUA II with the cover removed. This notice also applies when performing a Firmware Upgrade. Take all necessary precautions not to discharge static electricity when touching any of the DUA II Internals. -
Page 5: Dua Ii Warranty Information
This Limited Warranty is extended by Merging Technologies, Inc. to the original purchaser. In the event of a defect or failure to confirm to this Limited warranty, Merging Technologies, Inc. will repair or replace the product without charge within sixty (60) days. In order to make a claim under this limited warranty; the purchaser must notify Merging Technologies, Inc. - Page 6 DUA II User Manual © 2000 Merging Technologies...
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Page 7: Chapter 1 - Introduction
Chapter 1 – Introduction Congratulations on your DUA II purchase. The DUA II is the smartest audio interface solution for Pyramix users, SOFTIMAGE®|DS users and audio professionals, designed to support a surround monitoring system. Features include: • In a single unit, using industry standard audio connections:... -
Page 8: Chapter 2 - The Front Panel
Synchronization Selector and Status The DUA II can operate in many different synchronization modes. It can synchronize to its internal clock or to a wide range of industry standard external sources. Pressing the SYNCHRONIZATION button allows the selection of the desired synchronization mode. -
Page 9: Sample Rate Selector
WCLK LED will light on RED. Once a valid sync signal has been detected, the WCLK LED will light on GREEN. If the sample rate of the DUA II and the Word-Clock signal are identical, the selected sample rate LED will light on GREEN. -
Page 10: Monitoring Outputs
(such as the Merging Pyramix Workstation). If the LED is lit on RED, the DUA II is not ready. The LED lights on RED at power-up for less than 1 second. If the LED still light on RED ~1 second after power up, it means that DUA II is not working properly. -
Page 11: Chapter 3 - The Back Panel
Chapter 3 – The Back Panel Analog Line Inputs 1-4 Any professional level balanced audio outputs sources can be connected to the analog line inputs of the DUA II. 4 input levels are selectable from consumer level (–10 dBV) up to professional level (+4 dBu). -
Page 12: Aes/Ebu Inputs 5-8
This XLR type connector has two functions. It can accept an AES/EBU sync reference or any Word-Clock signals. When the DUA II is set to AES synchronization mode, it will resolve the DUA II clock to the AES/EBU sync signal present here. -
Page 13: Odi (Optical Digital Interface)
Power Connector DUA II uses universal power supply that accepts AC from 100 to 250 volts. It is designed to be connected to an outlet that includes three pins (center pin to ground). The ground connection is an important safety feature designed to keep potentially dangerous voltages away from the chassis. -
Page 14: Chapter 4 - Dip Switch Settings
Chapter 4 – DIP Switch Settings The DUA II contains a DIP switch which provides some extended configuration capabilities. The DIP switch is accessible on the right side of the DUA II (looking from the front panel). SW 1-2 Full Scale Analog Inputs Level... -
Page 15: Chapter 5 - Typical Audio Connections
This section will display some typical audio connection scenarios for DUA II. SOFTIMAGE®|DS 3.0 with SONY Digital BetaCam Users This example is based on Digital Studio users who are using the DUA II in conjunction with the Merging Mykerinos boards and a Digital Betacam video deck. -
Page 16: Softimage®|Ds With Sony Analog Beta Cam Users
SOFTIMAGE®|DS 3.0 with SONY Analog BetaCam Users This example is based on Digital Studio users who are using the DUA II in conjunction with the Merging Mykerinos boards and an Analog BetaCam video deck. This example uses the following: •... -
Page 17: Pyramix Workstation With Surround Monitoring Users
DAT/Effect/CD-Player outputs are routed through AES/EBU inputs of DUA II to Pyramix input channels 5-8 (ADAT) • Pyramix output channels 1-4 (ADAT) are routed through analog outputs of DUA II to the monitoring system. (In this example: CH1 = Left / CH2 = Center / CH3 = Right / CH4 = Subwoofer) •... -
Page 18: Stand Alone A/Dand D/A Setup
• AES/EBU inputs 5-8 are internally routed to analog line outputs. • The monitoring is provided by the front panel monitor selection of DUA II. • The DIP switch 1-8 must be set to: X – X – X – X – ON – OFF – OFF – OFF. -
Page 19: Appendix 1 - Technical Specifications
Value Unit Resolution Max. Sample Rate Input Impedance Differential Ohms AES/EBU Outputs Parameter Conditions Value Unit Resolution Max. Sample Rate Output Impedance Differential Ohms Note: All specifications subject to change without notice. © 2000 Merging Technologies DUA II User Manual... -
Page 20: Appendix 2 - Flow Chart Diagrams
Appendix 2 – Flow Chart Diagrams DUA II Synchronization Flow Chart DUA II Audio Flow Chart DUA II User Manual © 2000 Merging Technologies... -
Page 21: Appendix 3 - Upgrading The Dua Ii Firmware
LED light on RED, it indicates that no valid AES/EBU signal has been detected. It may be that there is no signal at all, or that this signal is not at the same sample rate than the DUA II. Once a valid AES/EBU signal has been detected, the LED light on GREEN. -
Page 22: Appendix 5 - Glossary Of Terms
This way all inputs are routed internally one-to-one to the outputs. There is no need for an ADAT external loop. In a manner to use the DUA II as a stand alone 4 CH A/D and 4 CH D/A converter, you will also need to set DIP Switch 5 and clear the DIP Switch 6.
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