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Manual Kramer Electronics VA-4

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  • Kramer Electronics VA-4 - page 1

    KRAMER ELECTRONICS LTD. USER MAN UAL MODEL: VA - 4 Dual C hanne l Balan ced St ere o Audio Amp lifie r P/N: 2900 - 00000 4 Rev 2A ...

  • Kramer Electronics VA-4 - page 2

    ...

  • Kramer Electronics VA-4 - page 3

    VA -4 – Con tent s i Conte nt s 1 Introduct ion 1 2 Getting S tarted 2 2.1 Achi eving the Best Performance 2 2.2 Safety In stru ction s 2 2.3 Recycl ing Kramer Product s 3 3 Overview 4 3.1 Defining t he VA - 4 Dual Channel Balanced Stereo Audio Amplifier 4 4 Connecting the VA -4 7 4.1 Connecti ng to the VA - 4 via RS - 232 8 5 Technical Spe cifi ...

  • Kramer Electronics VA-4 - page 4

    VA -4 - Introdu cti on 1 1 Intr oduction Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world of unique, creative, and affordabl e solutions to the vast range of problems that confront video, audio, pres entation, and broadcasting professional s on a daily basis. In recent years, we have redesigned and upgraded m ...

  • Kramer Electronics VA-4 - page 5

    2 VA -4 - Gettin g St arted 2 Getting Start ed We recommend that you: • Unpack the equipment careful ly and save the original box and packaging materials f or possible future shipment • Review the contents of this user manual • Use Kramer high performance high resolut ion cables Go to http://www.kramerelec tronics.com to check for up - to - d ...

  • Kramer Electronics VA-4 - page 6

    VA -4 - Gett ing St arte d 3 2.3 Recycling Kramer Products The Waste Electrical and Electronic Equipm ent (WEEE) Directive 2002/96/EC aims to reduce the amount of WEEE sent for disposal to landfill or incineration by requiring it to be collected and recycled. T o comply with the WEEE Direc tive, Kramer Electronics has made arrangem ents with the Eu ...

  • Kramer Electronics VA-4 - page 7

    4 VA -4 - Over view 3 Ove rvi ew The VA −4 is a volum e controller for two channels of balanced stereo audio signals on XLR connectors. The volume of each stereo channel can be adjusted independently of the other stereo channel . The VA -4 : • Features a digitally c ontrolled volume control f unction • Use s high quality low dist ortion audio ...

  • Kramer Electronics VA-4 - page 8

    VA -4 - Over view 5 VA -4 – Overvi ew 5 Fig ure 1 : VA -4 Dual Ch annel B alanc ed Stereo A udio Ampli fier F ront Pa nel # Feature Functi on 1 POWER Swi tch Ill uminat ed swi tch su pplyi ng pow er to t he unit 2 - Button Press to dec rease the level 3 + Button Press t o incr ease t he level 4 LEVEL 7- segment LED Di spla y S ho ws the g ain of ...

  • Kramer Electronics VA-4 - page 9

    6 VA -4 - Over view Fig ure 2 : VA -4 Dual Ch annel B alanc ed Stereo A udio Ampli fier Re ar Pan el # Feature Funct io n 8 CH.1 IN LE FT an d RIGH T XLR Fem ale Con nector s Conn ects to th e bala nced st ereo au dio source 1 9 CH.2 IN LE FT an d RIGH T XLR F emale Connect ors Conn ects to the b alance d st ereo au dio s ource 2 10 CH.1 OUT LEFT a ...

  • Kramer Electronics VA-4 - page 10

    VA -4 - Con necti ng t he V A -4 7 4 Connecti ng the VA -4 Always switch off the power to each device before connecting it to your VA -4 . After c onnecting your VA -4 , connect its power and then switch on the power to each device. To connect the VA -4 as illust rated in the example in Figure 3 : 1. Connect a balanced stereo audio source (for exam ...

  • Kramer Electronics VA-4 - page 11

    8 VA -4 - Con necti ng t he V A -4 Fig ure 3 : Conne ctin g the VA -4 Dual C hann el Bal anc ed Ster eo Audi o Am plifie r 4.1 Connecti ng to the V A - 4 via RS - 232 You can connect to the unit via a crossed RS - 232 connection, using for example, a PC. A crossed cable or null - modem is required as shown in method A and B respectively. If a shiel ...

  • Kramer Electronics VA-4 - page 12

    VA -4 - Con necti ng t he V A -4 9 Fig ure 4 : Crossed Cable RS - 232 C onnecti on Hardware flow control is not required for t his unit. In the rare case where a controll er requires hardware flow control, short pin 1 to 7 and 8, and pin 4 to 6 on the c ontroller side. Method B ( Fi gure 5 )— Connect the RS - 232 9 - pin D - sub port on the unit ...

  • Kramer Electronics VA-4 - page 13

    10 VA -4 - Tec hnical Spec ifica tions 5 Technical Specifications INPUTS: 2 balan ced stereo , up to 16dB m/33k Ω on female XLR connect ors OUTPUTS: 2 balan ced stereo , up to 21dBm/50 Ω on male XL R connect ors BANDW IDTH ( - 3dB): >100 kH z S/N RATIO: 80dB@ 6dB G ain ( unweig hted) CROSSTALK (a ll hostile): 74dB @1k Hz; - 68dB @20k Hz CONT ...

  • Kramer Electronics VA-4 - page 14

    VA -4 - Proto col 20 00 11 6 Protoc ol 2000 The VA -4 is com patible with Kramer’s Protocol 2000 (version 0.51). This RS - 232 / RS - 485 communicati on protocol uses four bytes of information as defined below. For RS - 232, a null - modem connection bet ween the machine and controller is used. The default data rate is 9600 baud, with no parity, ...

  • Kramer Electronics VA-4 - page 15

    12 VA -4 - Prot ocol 2000 VA - 4 Hex Co des fo r Gain Con trol (Att enua tion) Ga in (d B) LED Hex Code s Ga in (d B) LED Hex Code s Ga in (d B) LED Hex Code s - 40.7 - 166 16 81 80 81 - 27.0 - 110 16 81 b8 81 - 13.2 - 54 16 81 f0 81 - 40.4 - 165 16 81 81 81 - 26.7 - 109 16 81 b9 81 - 13.0 - 53 16 81 f1 81 - 40.2 - 164 16 81 82 81 - 26.5 - 108 16 8 ...

  • Kramer Electronics VA-4 - page 16

    VA -4 - Proto col 20 00 13 VA - 4 Hex Co des fo r Gain Con trol (Am pli ficatio n) Ga in (d B) LED Hex Code s Ga in (d B) LED Hex Code s 0 0 3f 80 81 81 16 81 a 6 81 +11.0 45 3f 80 81 81 16 81 d3 81 +0.2 1 3f 80 81 81 16 81 a 7 81 +11.3 46 3f 80 81 81 16 81 d 4 81 +0.5 2 3f 80 81 81 16 81 a 8 81 +11.5 47 3f 80 81 81 16 81 d5 81 +0.7 3 3f 80 81 81 1 ...

  • Kramer Electronics VA-4 - page 17

    14 VA -4 - Prot ocol 2000 ...

  • Kramer Electronics VA-4 - page 18

    For the latest informat ion on our products and a list of Kramer d istributors, visit our Web sit e where updat es to this user manua l may be found. We w el come y o ur qu est i ons , com men t s , an d f eedb ack . Web site: E- mail: www.kramerelectron i cs.com info@k ramerel.com P/N: 2 9 0 0 - 0 0 0 0 0 4 Rev: 2A ! SAF ETY WAR NI NG Discon nect ...

Manufacturer Kramer Electronics Category Car Amplifier

Documents that we receive from a manufacturer of a Kramer Electronics VA-4 can be divided into several groups. They are, among others:
- Kramer Electronics technical drawings
- VA-4 manuals
- Kramer Electronics product data sheets
- information booklets
- or energy labels Kramer Electronics VA-4
All of them are important, but the most important information from the point of view of use of the device are in the user manual Kramer Electronics VA-4.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Kramer Electronics VA-4, service manual, brief instructions and user manuals Kramer Electronics VA-4. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Kramer Electronics VA-4.

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A complete manual for the device Kramer Electronics VA-4, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Kramer Electronics VA-4 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Kramer Electronics VA-4.

A complete Kramer Electronics manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Kramer Electronics VA-4 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Kramer Electronics VA-4, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Kramer Electronics VA-4, that we can find in the current document
3. Tips how to use the basic functions of the device Kramer Electronics VA-4 - which should help us in our first steps of using Kramer Electronics VA-4
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Kramer Electronics VA-4
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Kramer Electronics VA-4 in a specific country, if it was not possible to solve the problem on our own.

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