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FLY CALF A/D man2.prs - M

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1. The Flying Calf uses a 9 Volt DC 500 milliamp or greater center pin positive supply Analog In Left and Right Analog audio inputs to the Flying Calf s A D converter These 1 4 jacks accept unbal anced line level signals Each jack provides a tip sleeve type of connection 7 S PDIF Out This female RCA jack outputs a standard S PDIF digital audio signal The S PDIF signal is stereo containing both left channel and right channel audio data The S PDIF data rate will be determined by the Sample Rate selector button on the front of the Flying Calf Panels Fig 1 FLYENE CALF A D smibiman 24 BIT S PDIF A D CONVERTER R Qd0d0 e i 41 60 20 10 6 3 Cup L eoo AA OSN Oy a TE INPUT he VEL 9 voc Rwos T CE a 5 6 7 Installation and Typical Setup Your Flying Calf box should contain this user manual a power adapter and the Flying Calf unit itself Remove the Flying Calf and power adapter from the box and plug one end of the power adapter into the Flying Calf s power jack With the Flying Calf s power button in the out position power off plug the other end of the power adapter into a wall socket or power strip Verify that the Flying Calf and any other devices you plan to connect to it are powered off Now connect your S PDIF and analog audio cables to the Flying Calf NOTE For best results use a good quality S PDIF cable The cable should be coaxial with 75 oh
2. any repair is required shipment to and from MIDIMAN and a nominal handling charge shall be born by the purchaser In the event that repair is required a Return Authorization number must be obtained from MIDIMAN After this number is obtained the unit should be shipped back to MIDIMAN in a protective package with a description of the problem and the Return Authorization clearly written on the package In the event that MIDIMAN determines that the product requires repair because of user misuse or regu lar wear it will assess a fair repair or replacement fee The 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 not include any other damages MIDIMAN will not be liable for consequential special indirect or similar damages or claims including loss of profit or any other commercial damage even if its agents have been advised of the possibility of such damages and in no event will MIDIMAN s liability for any damages to the purchaser or any other person exceed the price paid for the product regardless of any form of the claim MIDIMAN specifically disclaims all other warranties expressed or implied Specifically MIDIMAN makes no warranty that the product is fit for any particular purpose This warranty shall be construed interpreted and governed by the laws of the state of California If any provi
3. d should be avoided Note An occasional CLIP reading is sometimes OK it s best to let your ears be the judge The A D sample rate should be set according to your applica tion s needs Quite often the sample rate you select will be dictat ed by the sample rates accepted by other components in the sys tem such as sound cards digital audio workstations CD ROM programmers and DAT machines The Flying Calf A D supports two standard sample rates 44 1 kHz Historically this is the most commonly used sample rate because it s the current consumer CD audio sam ple rate a k a redbook audio Therefore audio captured at 44 1 kHz does not require sample rate con version in order to be burnt to CD ROM 48 kHz Until recently this sample rate was reserved for top of the line professional systems Today however it s supported by most computer sound cards and soft ware applications Compared to 44 1 kHz 48 kHz will achieve higher fidelity conversion at the expense of more storage space per second of recording if saved to a disk drive DAT cartridge etc Internal Jumper Settings There are four configuration jumpers inside the Flying Calf chas sis Typically you will never need to open the Flying Calf and adjust these jumpers For some applications however it may be required JP2 and JP3 are used to set the input levels for the left and right channels JP1 consists of two jumpers which are used to set the c
4. ere the audio is dig itized at the current sample rate The A D converter then drives the Input Level displays and sends the digitized audio data to the S PDIF transmitter The transmitter formats and outputs the actual S PDIF data stream through a transformer to the S PDIF Out jack The A D converter always digitizes the analog data at the sample rate that is set from the front panel of the Flying Calf When the Sample Rate select button is in the out position the sample rate is 44 1 kHz If the button is in the in position the sample rate is 48 kHz The current sample rate is always indicated by the front panel Sample Rate LED s The level of the analog signal that goes into the Flying Calf should be adjusted for optimum A D sampling quality For best conver sion the input signal should have enough amplitude to take advantage of nearly all 24 bits of A D resolution In other words peak levels of the incoming audio signal should be loud enough to approach the A D converter s maximum acceptable full scale signal level The Flying Calf front panel A D Input Level indica tors aid in this adjustment Set the level of the audio input signal using a mixer or preamplifier device so that you light as many level indicator LED s as possible without lighting the red Clip LED s When the Clip LED s light the audio signal is being clipped at the maximum allowable input level of the A D con verter This may cause extreme distortion an
5. le SCMS the Jumper JP1 Settings S PDIF Serial Copy JP1 JP1 Management System andthe 9ggnal es pona digital status is defined as SCMS Enabled SCMS Enabled original material from an A D Original Material Material is a Copy Converter Usually this will ae Te allow all digital data coming Original o gt Original ja from the Calf to be accepted by SOMS Il SOMS MEN connected equipment SCMS SCMS Disabled SCMS Disabled can also be set to copied mater ial or it can be disabled all Copy Protect Jumper together If these settings are Settings JP1 Fig 5 preferred then they may be selected via the ORIGINAL and SCMS jumpers at jumper block JP1 The positions and settings of these jumpers are shown in Figure 3 and 5 P1 Jumper Assignments SCMS When jumper is installed SCMS is disabled When not installed SCMS is enabled ORIGINAL If SCMS is not enabled this jumper does nothing 10 However if SCMS is enabled When ORIGINAL is installed data is flagged as a COPY When ORIGI NAL is not installed data is flagged as ORIGINAL Troubleshooting Symptom When power is applied there are no LED s lit on the Flying Calf s front panel Solution Make sure the power supply is properly plugged into the unit and into a live wall source or power strip Also verify that the Calf s Power button is pushed and latched in Symptom 1 When first turning the unit on you sometimes hear small bursts of noise or a pop sound if m
6. lies with European CE require C ments Overview Thank you for choosing the Flying Calf A D professional 24 bit external A D converter The Flying Calf captures incoming audio with its high quality Analog to Digital A D converters and out puts it digitally via the popular S PDIF digital audio format The Flying Calf is therefore the perfect companion for computer digi tal audio cards DAT machines or any other digital audio device that requires high quality A D conversion Since the Flying Calf is external it moves the A D converters out of the noisy and harsh computer environment This improves the signal to noise and dynamic range performance dramatically over a typical or even professional sound card This manual assumes you have a basic understanding of A D conversion and digital audio If after reading the manual you need additional tech support or if you have comments or sugges tions we invite you to contact us directly by any one of the fol lowing methods MIDIMAN 45 East St Joseph Street Arcadia CA 91006 2861 Technical Assistance 626 445 8495 Fax 626 445 7564 Internet Tech Support techsupt midiman net Internet Home Page http www midiman net Tech Support E mail techsupt midiman net What s in the Box This Instruction Manual Flying Calf A D Power Adapter Midiman Warranty Registration Card IMPORTANT Please take the time to fill out the included Warranty Registra
7. m impedance For example a good quality video dubbing cable has these characteristics Typical Setup Fig 2 DIGITAL AUDIO CARD Inside PC S PDIF Analog In Analog In Out Right Left FIyYINe CALF A D After all connections are made power up the Flying Calf by pressing the power button on its front panel IMPORTANT Before powering up the Flying Calf turn off or turn down any amplifiers mixers or audio converters connect ed to the Flying Calf s S PDIF output Since it may take several milliseconds for the Flying Calf to output valid S PDIE you may hear a slight pop or buzz sound while powering up if you are monitoring the S PDIF out A typical configuration in which a Flying Calf would be used includes a Calf a PC based digital I O card a mixer and an amplifier sound system Such a configuration could be setup as follows 1 the stereo line level audio outs of the mixer goes into the analog ins of the Calf 2 the S PDIF out of the Calf goes to the S PDIF in of the digital audio card 3 another audio out of the mixer may go to an amplifier sound system or alternately to an audio out of the audio card can go to an amplifier sound sys tem Operation The Flying Calf A D converter accepts analog audio from the left and right Analog In jacks These 1 4 audio input jacks expect unbalanced tip sleeve signals The analog signals pass through some analog buffers to the A D converter wh
8. onitoring the Calf Symptom 2 When you change sample rates on the Flying Calf small bursts of noise or a pop sound are sometimes heard if monitoring the Calf Solution This is normal as it takes a small amount of time for an acceptable S PDIF signal to be generated Be sure to turn down your mixer or amplifi er before powering up the Flying Calf or when changing sample rates Symptom Even though an audio signal is being input into the Calf only the front panel 60 dB Input Level LED s light or no Input Level LED s light Solution 1 Check your source signal levels and analog input cables Solution 2 The input signal is too weak Turn up the volume of the audio at the source and adjust it so that most of the Flying Calf input level LED s light Be sure that the clipping level indicators rarely or never light Symptom The front panel Input Level CLIP LED is always lit or fre quently lit Solution 1 Check your source signal levels and analog input cables Solution 2 The input signal is too strong Reduce the volume of the source and adjust it so that the clipping level indicators rarely or never light Symptom 1 I can t seem to get a good signal to the A D when I plug my Hi Z microphone into the Analog In s Symptom 2 I can t seem to get a good signal to the A D when I plug my Lo Z microphone with XLR line level transformer into the Analog In s Solution A microphone preamp such as the Midiman Audio Buddy is usuall
9. opy protect status of the Flying Calf IMPORTANT Always power off the Flying Calf and discon nect the power adapter before removing its top Location of Internal Jumpers Fig 3 _ z g JP1 Jumper JP1 g o o o JP3 amp JP2 amp if i i i i i a Input Level Jumpers The Flying Calf A D factory settings will accommodate audio sig nals from most line level devices which typically have a nominal signal level of 10 dBV However some consumer gear is not capable of producing enough signal gain to drive the Flying Calf to full scale Therefore the Calf has internal jumpers which may be individually set to compensate for these weaker devices 9 Jumpers JP2 and JP3 control the Jumper JP2 and JP3 Settings input levels to the LEFT and RIGHT audio channels respec Be SE tively When set to the a1 le Standard position they gomAaoon Let anaon accommodate most signals 10 dBV nominal When set to the a ae 6 position they can accept i SE signals that are 6 dB weaker 16 A artes In g ee dBV nominal The positions and settings of these jumpers are shown in Figure 3 and 4 Input Level Jumper Settings JP2 and JP3 Fig 4 Digital Copy Protect Jumpers The Flying Calf A D factory settings enab
10. otection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruc tions contained in this manual may cause harmful interference to radio and tele vision communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television recep tion which can be determined by turning the equipment 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 equipment and the receiver 3 connect the equipment into an outlet on a circuit different from that of the receiver 4 consult the dealer or an experi enced audio television technician NOTE Connecting this device to peripheral devices that do not com ply with CLASS B requirements or using an unshielded peripheral data cable could also result in harmful interference to radio or televi sion reception The user is cautioned that any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to oper ate this equipment To ensure that the use of this product does not contribute to interference it is necessary to use shielded I O cables This product also comp
11. sion of this warranty is found void invalid or unenforceable it will not affect the validity of the balance of the warranty which shall remain valid and enforceable according to its terms In the event any remedy hereunder is determined to have failed of its essential purpose all limitations of liability and exclusion of damages set herein shall remain in full force and effect 12
12. ssmipiman gt 24 Bit Flying Calf A D manuaAL Version AD20 080699 Table of Contents FCC Class B and CE Compliance aces idniiesheivlantnstananas 2 CITT WY ee a ca aa E E RER ER A RAG 2 What sainithe BOX ss acanpninunacnnd annatinnatancmnaaneed 3 PCE inro a aa aa a 4 Panel Descriptor sses aaia eii eiiiai iiaa 4 Front Panels ensien aaa a 4 R ar Panel Grnecrionasariiini ena 4 Panels Figi Torenoiroc niingie n nEn aAA EE AES 5 Installation and Typical Setup ccsssisussccaavsesaaroversaatesasanessens 5 Typical Send pe Fig 2 cava ctr ativan aninannaiienneaaaeveads 6 Operator acccp tates A aa AE A A a a A aae a 7 Internal Jumper Settings sists sted crereecrdan deal databientericenacaetinas 9 Location of Internal Jumpers Fig 3 ecccseeeeeeeneeees 9 Input Level Jumpers opinnon iisas aiia 9 Input Level Jumper Settings JP2 amp JP3 Fig 4 0 0 0 10 Digital Copy Protect Jumpers vases icceriancsaiiensvenatonss 10 Copy Protect Jumper Settings JP1 Fig 5 10 JPL Jumper Assignments ies achtiean sta ate sotevdssanenteatnlaadeadentns 10 Troubleshooting siisch ils hesitate ltd atea bees tnyt oats estiia chenachoet 11 Specifications ennanott naana a a 12 Lifetime Limited Warranty sssssssssssessesessesissesssseseesessesess 12 WARNING This equipment has been tested and found to comply with the lim its for a CLASS B digital device pursuant to Part 15 of the FCC Rules These lim its are designed to provide reasonable pr
13. tion Card and mail or fax it to us Registering your FLYING CALF A D will help us to give you the best possible service and support Please save all packing materials in case you ever need to ship the unit Features High quality 24 bit stereo A D converter Unbalanced analog inputs on independent left and right 1 4 jacks S PDIF digital output on an RCA connector Transformer coupled S PDIF eliminates potential sys tem ground loops Front panel input signal level displays for each channel Jumper selectable input levels Compact desk top size 6 3 x 3 6 x 1 2 Panel Description Front Panel 1 Sample Rate Indicator LED s Show the current A D sample rate either 44 1 kHz or 48 kHz These LED s also double as power indicators one of the LED s is lit any time the unit s power is turned on Sample Rate Selector Button Selects the current A D sample rate When this button is out the sample rate is set to 44 1 kHz When the button is in the sample rate is set to 48 kHz Input Level Displays These LED display ladders accurately depict the incoming signal levels at the A D left and right channels Power Button When this button is in and the power adapter is properly plugged in power is applied to the unit and one of the Sample Rate Indicator LED s will be lit When the but ton is out the Flying Calf A D is powered down Rear Panel 5 Power connector For connection to the Calf s power adapter
14. y required to boost the microphone signal level to a line level that is usable by the Calf Specifications Physical Specifications Size Power Supply Audio A D Type Sample Rates Dynamic Range THD Noise Nominal Input Signal Full scale Input Signal Frequency Response Input Impedance Analog In Connectors Digital Out Connector Digital Out Format S PDIF SCMS Approximately 6 3 x 3 6 x 1 2 9 volt DC center pin positive 500 ma or larger 24 bit delta sigma 128 x oversampling 48 kHz or 44 1 kHz 105 dB A weighted 002 94 dB A weighted 10 dBV standard input level setting 16 dBV 6 input level setting 6 dBV standard input level setting 0 dBV 6 input level setting 24 Hz to 22 kHz 0 2 dB 10 K ohms minimum 1 4 female TS type unbalanced RCA female S PDIF transformer coupled May be enabled or disabled Lifetime Limited Warranty MIDIMAN warrants that this product is free of defects in materials and workmanship under normal use so long as the product is owned by the original purchaser and that purchaser has registered his her ownership of the product by sending in the completed warranty card In the event that MIDIMAN receives written notice of defects in materials or workmanship from such an original purchaser MIDIMAN will either replace the product repair the product or refund the pur chase price at its option In the event

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