USER MANUAL - AV-iQ
Contents
1. Feature Function 1 BALANCED IN 5 pin Terminal Block Connect to the balanced audio source Connector 2 UNBAL OUT 3 pin Terminal Block Connect to the unbalanced audio Connector acceptor 3 UNBAL IN 3 pin Terminal Block Connect to the unbalanced audio source Connector 4 BALANCED OUT 5 pin Terminal Connect to the balanced audio acceptor Block Connector 5 12V DC 12V DC connector for powering the unit 6 UNBAL L LEVEL Trimmer Adjust the left balanced audio output TO BAL signal level 7 R LEVEL Trimmer Adjust the right balanced audio output signal level 8 BAL TO L LEVEL Trimmer Adjust the left unbalanced audio output UNBAL signal level 9 R LEVEL Trimmer Adjust the right unbalanced audio output signal level 10 ON LED Illuminates when receiving power 5 Connecting the Bi directional Audio Transcoder This section describes how you can use the 482xI to convert the unbalanced audio signal to a balanced audio signal and the balanced audio signal to an unbalanced audio signal To convert the audio input signals at the UNBAL IN and the BALANCED IN connectors as the example illustrated in Figure 3 shows do the following 1 Connect the unbalanced audio source for example an unbalanced audio player to the UNBAL IN 3 pin terminal block connector Connect the BALANCED OUT 5 pin terminal block connector to the balanced audio acceptor for example a balanced audio recorder Connect the2. INPUTS 1 unbalanced audio stereo on a 3 pin terminal block connector 1 balanced audio stereo on a 5 pin terminal block OUTPUTS 1 balanced audio stereo on a 5 pin terminal block connector 1 unbalanced audio stereo on a 3 pin terminal block connector MAX OUTPUT LEVEL Balanced 21dBm unbalanced 21dBm max gain BANDWIDTH 3dB gt 100 kHz CONTROLS 57dB to 6dB balanced to unbalanced level 16dB to 19dB unbalanced to balanced level COUPLING Balanced to unbalanced in AC out DC Unbalanced to balanced in AC out DC THD NOISE 0 049 2ND HARMONIC 0 005 S N RATIO 95db 87dB balanced to unbalanced unbalanced to balanced unweighted POWER SOURCE 12 VDC 190 mA fully loaded DIMENSIONS 12cm x 7 5cm x 2 5cm 4 7 x 2 95 x 0 98 W D H WEIGHT 0 3 kg 0 66 Ibs approx ACCESSORIES Power supply mounting bracket OPTIONS 19 rack adapters RK T1 RK T3 1 Readjusting the 482x1 Bi directional Audio Transcoder will upset this transparency However if necessary you can fine tune both channels audio output levels 2 See Figure 2 3 Specifications are subject to change without notice 6 KRAMER SIMPLE CREATIVE TECHNOLOGY LIMITED WARRANTY Kramer Electronics hereafter Kramer warrants this product free from defects in material and workmanship under the following terms HOW LONG IS THE WARRANTY Labor and parts are warranted for seven years from the date of the first customer purc
3. O Yo QU a Institute of Quality amp Control Kramer Electronics Ltd Web site www kramerelectronics com E mail info kramerel com P N 2900 000134 REV 1
4. balanced audio source for example a balanced audio player to the BALANCED IN 5 pin terminal block connector Connect the UNBAL OUT 3 pin terminal block connector to the unbalanced audio acceptor for example an unbalanced audio recorder Connect the 12V DC power adapter to the power socket and connect the adapter to the mains electricity not shown in Figure 3 1 Insert a screwdriver into the small hole and carefully rotate it trimming the appropriate level 2 To the balanced audio output 3 To the unbalanced audio output KRAMER SIMPLE CREATIVE TECHNOLOGY Connecting the Bi directional Audio Transcoder Balanced Audio Player Balanced Audio Recorder Unbalanced Unbalanced Audio Recorder Audio Player Figure 3 482xl Bi directional Audio Transcoder Connections Technical Specifications 5 1 Adjusting the Audio Output Level The 48251 Bi directional Audio Transcoder comes factory pre set for 1 1 transparency To adjust the appropriate audio output levels 1 Insert a screwdriver into one of the four small holes on the lower side of the 48251 Bi directional Audio Transcoder enabling access to the appropriate trimmer 2 Carefully rotate the screwdriver adjusting the appropriate audio output level as required 6 Technical Specifications Table 2 includes the technical specifications Table 2 Technical Specifications of the 48241 Bi directional Audio Transcoder
5. e Power adapter 12V DC Input e This user manual 2 Getting Started We recommend that you e Unpack the equipment carefully and save the original box and packaging materials for possible future shipment e Review the contents of this user manual e Use Kramer high performance high resolution cables 1 GROUP 1 Distribution Amplifiers GROUP 2 Video and Audio Switchers Matrix Switchers and Controllers GROUP 3 Video Audio VGA XGA Processors GROUP 4 Interfaces and Sync Processors GROUP 5 Twisted Pair Interfaces GROUP 6 Accessories and Rack Adapters GROUP 7 Scan Converters and Scalers and GROUP 8 Cables and Connectors 2 Download up to date Kramer user manuals from our Web site http www kramerelectronics com 3 The complete list of Kramer cables is on our Web site at http www kramerelectronics com 1 Overview 3 Overview Your 48251 Bi directional Audio Transcoder has two separate channels that function independently of each other e Converting an unbalanced audio input signal to a balanced audio output signal on one channel e Converting a balanced audio input signal to an unbalanced audio output signal on the other channel In addition the 482x Bi directional Audio Transcoder e Lets you adjust the gain or attenuation while transcoding to compensate for the 14dB change between IHF audio levels and the state of the art balanced DAT input levels e Is designed with very low noise and low disto
6. Kramer Electronics Ltd BA KRAMER USER MANUAL Model 48251 Bi directional Audio Transcoder Contents Contents 1 Introduction 2 Getting Started 3 Overview 4 Your Bi directional Audio Transcoder 5 Connecting the Bi directional Audio Transcoder 5 1 Adjusting the Audio Output Level 6 Technical Specifications Figures Figure 1 48251 Bi directional Audio Transcoder Figure 2 48251 Bi directional Audio Transcoder Top Lower Side Panels Figure 3 482x1 Bi directional Audio Transcoder Connections Tables Table 1 Features and Functions of the 482x Bi directional Audio Transcoder Table 2 Technical Specifications of the 482x1 Bi directional Audio Transcoder A DA DN N mm UY WwW Introduction 1 Introduction Welcome to Kramer Electronics since 1981 a world of unique creative and affordable solutions to the infinite range of problems that confront the video audio and presentation professional on a daily basis In recent years we have redesigned and upgraded most of our line making the best even better Our 350 plus different models now appear in 8 Groups which are clearly defined by function Congratulations on purchasing your Kramer Tools 482xl Bi directional Audio Transcoder This product is ideal for e Video and audio production facilities e Audio recording studios e Live sound applications The package includes the following items o 48251 Bi directional Audio Transcoder
7. hase WHO IS PROTECTED Only the first purchase customer may enforce this warranty WHAT IS COVERED AND WHAT IS NOT COVERED Except as below this warranty covers all defects in material or workmanship in this product The following are not covered by the warranty 1 Any product which is not distributed by Kramer or which is not purchased from an authorized Kramer dealer If you are uncertain as to whether a dealer is authorized please contact Kramer at one of the agents listed in the web site www kramerelectronics com Ze Any product on which the serial number has been defaced modified or removed 35 Damage deterioration or malfunction resulting from i Accident misuse abuse neglect fire water lightning or other acts of nature ii Product modification or failure to follow instructions supplied with the product iii Repair or attempted repair by anyone not authorized by Kramer iv Any shipment of the product claims must be presented to the carrier v Removal or installation of the product vi Any other cause which does not relate to a product defect vii Cartons equipment enclosures cables or accessories used in conjunction with the product WHAT WE WILL PAY FOR AND WHAT WE WILL NOT PAY FOR We will pay labor and material expenses for covered items We will not pay for the following 1 Removal or installations charges 2 Costs of initial technical adjustments set up including adjustment of user controls or progra
8. mming These costs are the responsibility of the Kramer dealer from whom the product was purchased 3 Shipping charges HOW YOU CAN GET WARRANTY SERVICE 1 To obtain service on you product you must take or ship it prepaid to any authorized Kramer service center Ze Whenever warranty service is required the original dated invoice or a copy must be presented as proof of warranty coverage and should be included in any shipment of the product Please also include in any mailing a contact name company address and a description of the problem s 3 For the name of the nearest Kramer authorized service center consult your authorized dealer LIMITATION OF IMPLIED WARRANTIES All implied warranties including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty EXCLUSION OF DAMAGES The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option Kramer shall not be liable for 1 Damage to other property caused by defects in this product damages based upon inconvenience loss of use of the product loss of time commercial loss or 2 Any other damages whether incidental consequential or otherwise Some countries may not allow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations and exclusions may not a
9. pply to you This warranty gives you specific legal rights and you may also have other rights which vary from place to place NOTE All products returned to Kramer for service must have prior approval This may be obtained from your dealer This equipment has been tested to determine compliance with the requirements of EN 50081 Electromagnetic compatibility EMC generic emission standard Part 1 Residential commercial and light industry EN 50082 Electromagnetic compatibility EMC generic immunity standard Part 1 Residential commercial and light industry environment CFR 47 FCC Rules and Regulations Part 15 Radio frequency devices Subpart B Unintentional radiators CAUTION B Servicing the machines can only be done by an authorized Kramer technician Any user who makes changes or modifications to the unit without the expressed approval of the manufacturer will void user authority to operate the equipment B Use the supplied DC power supply to feed power to the machine B Please use recommended interconnection cables to connect the machine to other components 7 For the latest information on our products and a list of Kramer distributors visit our Web site www kramerelectronics com where updates to this user manual may be found We welcome your questions comments and feedback Safety Warning Disconnect the unit from the power supply before opening servicing Caution 9007
10. rtion components To achieve the best performance e Connect only good quality connection cables thus avoiding interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low quality cables e Use good quality sockets and connectors to avoid signal path breaks Aim for Zero Ohm connection resistance e Avoid interference from neighboring electrical appliances that may adversely influence signal quality and position your Kramer 482xl away from moisture excessive sunlight and dust 4 Your Bi directional Audio Transcoder Figure 1 Figure 2 and Table 1 define the 482x1 Bi directional Audio Transcoder 1 As both channels function independently you can use just one channel or both channels simultaneously 2 Balanced audio is more immune to noise and interference 3 Poor quality connectors tend to rust which may cause breaks 2 KRAMER SIMPLE CREATIVE TECHNOLOGY Your Bi directional Audio Transcoder Top Side Panel KRAMER TOOLS Bi directional Audio Transcoder Lower Side Panel Figure 1 48251 Bi directional Audio Transcoder Top Side Panel BALANCED IN BALANCED OUT L L G R R L L G R R UNBAL TO BAL BAL TO UNBAL Lower Side Panel Figure 2 482xl Bi directional Audio Transcoder Top Lower Side Panels Connecting the Bi directional Audio Transcoder Table 1 Features and Functions of the 48241 Bi directional Audio Transcoder
Download Pdf Manuals
Related Search