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Table of Contents

FCC Class B and CE Compliance    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Overview   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Features   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

D/A Converter   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

A/D Converter   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Front Panel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Panels - Fig. 1   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Panel Description   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Front Panel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Rear Panel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Installation and Typical Setup  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Typical Setup - Fig. 2   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Operation   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Selecting Modes   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

D/A Operation   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

A/D Operation   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Troubleshooting   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Appendix A - Specifications   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Appendix B - Diagnostic Tests   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

S/PDIF Loopback Test   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

AES/EBU Loopback Test   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Appendix C - Block Diagram   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Appendix D - Grounding  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Lifetime Limited Warranty   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Summary of Contents for Flying Cow

Page 1: ...ront Panel 6 Rear Panel 7 Installation and Typical Setup 8 Typical Setup Fig 2 9 Operation 10 Selecting Modes 10 D A Operation 10 A D Operation 11 Troubleshooting 14 Appendix A Specifications 16 Appen...

Page 2: ...t off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 reorient or relocate the receiving antenna 2 increase the separation between the equip...

Page 3: ...that requires high quality A D and or D A conversion It can even be used as a replacement for lower performance DAT or DVD converters This manual assumes that you have a basic understanding of A D and...

Page 4: ...th 128x oversampling Dynamic range of 104dB A weighted THD 0 001 0dBFS Frequency Response 20Hz 22kHz 0 5 0 3dB A D Converter 24 bit stereo A D delta sigma converters with 128x oversampling Dynamic ran...

Page 5: ...48 32 E XT 44 1 M ODE S ELECT A D I NPUT L EVEL A NALOG I NPUT L EVEL A D S AMPLE R ATE L R 40 20 10 6 3 C LIP 0 M AX A NALOG O UT L R A NALOG I N A ES E BU O UT S PDIF A ES E BU I N L R 9 VAC O UT I...

Page 6: ...ce It is often used to sync with less common and non standard sample rates 4 Mode Select Repeatedly pressing this button will cycle through all of the available sample rates and digital formats When p...

Page 7: ...tip ring sleeve and unbalanced tip sleeve inputs 11 AES EBU Out This male XLR jack provides standard AES EBU digital output from the Flying Cow s A D converters The digital audio signal is stereo con...

Page 8: ...cables you will be using Next power up the Flying Cow by pressing the Power button on the front panel IMPORTANT Before powering up the Flying Cow turn down any amplifiers or mixers connected to the Fl...

Page 9: ...L R GAIN 00 20 PAN L R GAIN 00 20 PAN L R GAIN 00 20 PAN L R GAIN 00 20 BAL L R GAIN 00 20 BAL L R 1 5 6 7 8 2 3 4 3 mon 4 mon 5L mon 6R str 7L mon 8R str 9L mon OUT L OUT R STR RET SEND 10R str TAPE...

Page 10: ...then back on these changed settings will be retained D A Operation The Flying Cow D A converter is compatible with 24bit 20bit 18bit and even 16bit digital data the more bits per data word the better...

Page 11: ...ormat will match the Flying Cow s front panel Digital Format setting In many applications this will not present a problem However if it does you must set the front panel Digital Format to match the di...

Page 12: ...s to be stored per second Quite often the sample rate you select for the Flying Cow will be dictated by the sample rates accepted by other components in the system such as sound cards digital audio wo...

Page 13: ...Format setting must match the digital input jack that is to receive the sync to data AES EBU In or S PDIF In and 3 a valid digital data stream must be present at that selected digital input NOTE If yo...

Page 14: ...outputs are balanced only on the XLR connections The 1 4 analog output connections are unbalanced Symptom When applying a digital signal to the Flying Cow the D A Valid LED never lights Solution 1 Ma...

Page 15: ...ep the Analog Input Level knob set to 0 if possible This will achieve optimum signal to noise performance Symptom With the A D in EXT mode the Flying Cow is outputting erroneous digital data even thou...

Page 16: ...el mic signal to line level that is compatible with the Flying Cow s analog inputs Appendix A Specifications Power Supply Output 8 5 Volts to 9 Volts AC 1 Amp or greater A D Converter 24 bit stereo A...

Page 17: ...t a valid S PDIF signal is present To test further apply a known analog signal to the Analog In connectors Set the Analog Input Level so that the incoming signal is not clipping the A D converter Fina...

Page 18: ...UTS XLR LEFT ANALOG INPUT ANALOG INPUT LEVEL 1 4 LED Ladder XLR RIGHT ANALOG INPUT ANALOG INPUT LEVEL 1 4 LED Ladder S PDIF AES EBU DIGITAL INPUTS S PDIF AES EBU S P DIF Digital Format changed by Mode...

Page 19: ...und of two boxes held to the same potential and the cable shield might be depended upon to make that electrical connection The Flying Cow provides the option of grounding or capacitively coupling to g...

Page 20: ...he customer will have the option to pay this fee and have the unit repaired and returned or not pay this fee and have the unit returned unrepaired The remedy for breach of this limited warranty shall...

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