User Manual for Mechanical Switchers - AV
Contents
1. Video Audio __ KO O O MO O OUT Figure 1 VS 41AV Front Rear Panel Features a IN 2 IN 1 r O O Z gt Z w Table 1 VS 41AV Front Rear Panel Features 1 INPUT SELECTOR 1 4 pushbuttons Selects the Video Audio source input 1 4 to be switched to the output VIDEO OUT The VIDEO OUT BNC connector VIDEO INPUTS 1 4 4 Video inputs on BNCs EJ AUDIO OUT The AUDIO OUT RCA connectors Right and Left 5 AUDIO INPUTS 1 4 4 Stereo Audio inputs on RCAs KRAMER ELECTRONICS LTD 5 KRAMER 5 2 Getting to Know Your VS 101AV Switcher The Kramer VS 101AV is a high quality mechanical 10x1 switcher for composite video and stereo audio signals It is designed for applications requiring an unpowered rack mountable unit for routing of video and stereo audio signals Audio is always switched together with the corresponding video signal and unselected video inputs terminate into a 75 ohm resistor High quality switching components provide excellent isolation between inputs The VS 101AV is extremely rugged and dependable Its unpowered passive design can be an advantage in applications where various regulatory compliances would otherwise be required The hard wire signal path offers excellent bandwidth and can also switch other signal formats Due to the mechanical mode of operation the machine can be used backwards2. functioning as a 1x10 switcher Front rear panel features of the VS 101AV are described in Figure 2 and Table 2 p INPUT SELECTOR G a 3 4 6 7 8 9 10 CD 10x1 Video Audio Stereo Switcher VS 101AV CD Made in ISRAEL Figure 2 VS 101AV Front Rear Panel Features Table 2 VS 101AV Front Rear Panel Features Feature sd Function o O INPUT SELECTOR 1 10 pushbuttons Selects the Video Audio source input 1 10 to be switched to the output AUDIOOUT ss OUT The AUDIO OUT RCA connectors The AUDIO OUT RCA connectors Right and Left and Left AUDIO INPUTS 1 Se aee 10 Stereo re AO nA comes ents inputs on RCAs VIDEO OUT The VIDEO OUT BNC connector VIDEO INPUTS 1 10 10 Video inputs on BNCs KRAMER ELECTRONICS LTD 6 KRAMER 5 3 Getting to Know Your VS 4X Switcher The Kramer VS 4X is a 4x1 stereo balanced switcher using professional XLR connectors The machine is housed in a compact enclosure using high quality switching elements and operating in break before make mode Due to the mechanical mode of operation the machine can be used backwards also functioning as a 1x4 switcher Front rear panel features of the VS 4X are described in Figure 3 and Table INPUT SELECTOR 1 2 3 KRAMER LJ LJ E O O O O f O O O O O O O O O L O O O O O IN 4
3. VS 4X located on the back panels of the machines USING the VIDEO AUDIO SWITCHERS Controlling the Switcher The switchers in this manual do not need to be activated since they do not require any external power NOTE The operation of all the switchers described in this manual is similar The VS 41AV operation is described and may be applied accordingly to the others Operation of the VS 41AV switcher is as follows 1 Connect up to four video stereo audio sources to the input sockets of the switcher 2 Connect a video stereo audio acceptor to the output socket of the switcher 3 Press one of the buttons marked 1 2 etc on the front panel to select the required input to be switched to the output These buttons correspond to the input connections as marked on the back panel 4 Operate sources and acceptors KRAMER ELECTRONICS LTD 8 KRAMER 10 TAKING CARE of YOUR SWITCHER Do not locate your switcher in an environment where it is susceptible to dust or moisture Both of these may damage the electronics and cause erratic operation or failure Do not locate your switcher where temperature and humidity may be excessive Doing so may also damage the electronics and cause erratic operation or failure of your switcher Do not clean your switcher with abrasives or strong cleaners Doing so may remove or damage the finish or may allow moisture to build up Take care not to allow dust or particles to build up inside un
4. 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 apply 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 NOTICE 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 gt Servicing of the above mentioned machines is only allowed to a Kramer authorized technician or Engineer Any user who makes changes or modifications to the unit without the express approval of the manufacturer will void user authority to operate the equipment gt Use the DC power supply provided to supply power to the machine and controllers Please use recommended interconnect cables to connect the machine to controllers and other components KRAMER ELECTRONICS LTD 11 KRAMER
5. or faulty sources the Video Tester is all you need No need for oscilloscopes waveform monitors or a Vectorscope to trace and rectify such common problems Indispensable for fieldwork the Tester checks for sync and odd even data in the signal and is not triggered by noise hum or even by a 15kHz non video source The Video Tester is compact not much bigger than a cigarette box housed in sturdy plastic housing with pocket clip and is operated by a 9Volt battery for three continuous hours of operation the full shelf life of the battery KRAMER ELECTRONICS LTD 4 KRAMER 5 VS SERIES MECHANICAL SWITCHERS This section describes all the controls and connections of your switcher Understanding the controls and connections helps you realize the full power of your switcher 5 1 Getting to Know Your VS 41AV Switcher The Kramer VS 41AV is a high quality mechanical 4x1 Video Audio stereo switcher in a compact desktop enclosure Audio is always switched together with the corresponding video signal and unselected video inputs terminate into a 75 ohm resistor High quality switching components provide excellent isolation between inputs Due to the mechanical mode of operation the machine can be used backwards functioning as a 1x4 switcher Front rear panel features of the VS 41AV are described in Figure 1 and Table 1 i INPUT SELECTOR 6 1 2 3 4 Lalas OUOU 4x1 Audio Video Switcher VS 41 AV
6. 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 programming These costs are the responsibility of the Kramer dealer from whom the product was purchased 3 Shipping charges KRAMER ELECTRONICS LTD 10 KRAMER HOW YOU CAN GET WARRANTY SERVICE To obtain service on you product you must take or ship it prepaid to any authorized Kramer service center 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 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 Kramer s liability for any defective products is limited to the repair or replacement of the product at our option Kramer shall not be liable for 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 Any other damages whether incidental
7. IN 3 IN 2 IN 1 OUT Figure 3 VS 4X Front Rear Panel Features Table 3 VS 4X Front Rear Panel Features INPUT SELECTOR 1 4 pushbuttons Selects the Stereo Audio source input 1 4 to be switched to the output L R AUDIO INPUTS 1 4 Audio inputs on XLR Connectors L R AUDIO OUTPUTS Audio outputs on XLR Connectors KRAMER ELECTRONICS LTD KRAMER 6 1 9 1 INSTALLATION Rack Mounting The VS 41AV and VS 4X switchers may be rack mounted in a standard 19 1U EIA rack assembly The VS 101AV has rack ears at the ends of the front panel To mount the VS 101AV switcher simply place the rack ears against the rack rails of your rack and insert standard screws through each of the four corner holes in the rack ears The VS 41AV and VS 4X require special rack adapters see section 4 1 For installation procedure follow the instructions in the installation guide enclosed with the adapter The switchers in this manual do not require any spacing above or below them for ventilation CONNECTING to VIDEO DEVICES Video sources and output devices such as monitors or recorders may be connected to the switchers through the BNC type connectors located on the back of the machines models VS 41AV and VS 101AV CONNECTING to AUDIO DEVICES Audio sources and output devices such as amplifiers or recorders may be connected to all the switchers through the RCA type connectors or through the female male XLR type connectors
8. KRAMER KRAMER ELECTRONICS Ltd USER MANUAL Mechanical Switchers Models VS 41AV VS 101AV VS 4X IMPORTANT Before proceeding please read paragraph entitled Unpacking and Contents KRAMER ELECTRONICS LTD P N 2900 002005 KRAMER Section 1 1 1 1 2 2 3 4 4 1 5 5 1 5 2 5 3 6 6 1 7 8 9 9 1 10 11 11 1 11 2 Figure Table Table of Contents Name INTRODUCTION A Word on Switchers Factors Affecting Quality of Results SPECIFICATIONS HOW DO I GET STARTED UNPACKING AND CONTENTS Optional Accessories VS SERIES MECHANICAL SWITCHERS Getting to Know Your VS 41AV Switcher Getting to Know Your VS 101AV Switcher Getting to Know Your VS 4X Switcher INSTALLATION Rack Mounting CONNECTING TO VIDEO DEVICES CONNECTING TO AUDIO DEVICES USING THE VIDEO AUDIO SWITCHERS Controlling the Switcher TAKING CARE OF YOUR VIDEO SWITCHER TROUBLESHOOTING Video Signal Audio Signal Limited Warranty List of Illustrations VS 41AV Front Rear Panel Features VS 101AV Front Rear Panel Features VS 4X Front Rear Panel Features List of Tables VS 41AV Front Rear Panel Features VS 101AV Front Rear Panel Features VS 4X Front Rear Panel Features KRAMER ELECTRONICS LTD Page N O ODO V O V oo ooa ooo oNN TDM AanRA UNU UVUUAUNN ph Ur P N 2900 002005 KRAMER l 1 1 1 2 INTRODUCTION Congratulations on your purchase of this Kramer Electronics switcher Since 1981 Kr
9. KRAMER The list of Kramer distributors appears on our web site www kramerelectronics com From the web site it is also possible to e mail factory headquarters We welcome your questions comments and feedback KRAMER ELECTRONICS LTD 3 Am VeOlamo Street Jerusalem 95463 Israel Tel 972 2 654 4000 Fax 972 2 653 5369 E mail kramerel netvision net il
10. amer has been dedicated to the development and manufacture of high quality video audio equipment The Kramer line has become an integral part of many of the best production and presentation facilities around the world In recent years Kramer has redesigned and upgraded most of the line making the best even better Kramer s line of professional video audio electronics is one of the most versatile and complete available and is a true leader in terms of quality workmanship price performance ratio and innovation In addition to the Kramer line of high quality switchers such as the one you have just purchased Kramer also offers a full line of high quality distribution amplifiers processors interfaces controllers and computer related products This manual includes configuration operation and option information for the following products from the Kramer VS line of switchers All these VS switchers are similar in operation and features The mechanical switchers described in this manual are listed below gt VS 41 AV 4x1 Video Audio Switcher gt VS 101AV 10x1 Video Audio Switcher gt VS 4X 4x1 Balanced Stereo Audio Switcher A Word on Switchers Switchers route one or more signals to one or more users They vary in the number of inputs programming capability number of outputs operating format composite video component audio etc and switching method i e whether they switch during the vertical interval or not whether they are elect
11. ection including or your video cables Low Frequency Hum in the output signal WARNING DO NOT DISCONNECT THE GROUND FROM ANY PIECE OF VIDEO EQUIPMENT IN YOUR SIGNAL PATH Check the following to remove hum bars Confirm that all interconnected equipment is connected to the same phase of power if possible Remove equipment connected to that phase that may introduce noise such as motors generators etc Disconnect all interconnect cables and reconnect them one at a time until ground loop reappears Disconnect the affected cable and replace or insert an isolation transformer in the signal path KRAMER ELECTRONICS LTD 9 11 2 Audio Signal No audio at the output Confirm that your sources and output device are turned on and connected device regardless of properly Audio signals connected to the input of your switcher should be input selected properly wired to the output of your source Audio signals connected to the output of your switcher should be properly wired to the input of your switcher or acceptor Confirm that any other switchers in the signal path have the proper input and or output selected Pay special attention to input switchers that may be built into your switchers or recording device Audio level is too low Confirm that the connecting cables are of high quality and properly built Check level controls located on your source input device or output device LIMITED WARRANTY Kramer Electronics hereafter Kram
12. er gt gt Rack Adapter Used to adapt smaller machines to a standard 1U rack One or more machines may be installed on each adapter the VS 101AV is housed in a 19 inch 1U rack enclosure so it doesn t need a rack adapter BNC Y Connector Used for looping purposes and splits the incoming signal to enable connection of an additional machine SP 11 Video Audio Processor can be serially connected between the video audio source and the VS switcher for video and audio control correction The machine may provide camera control and luminance white balance correction The SP 11 is also capable of performing Composite to Y C switching and bi directional Transcoding The machine allows full control over the video signal Video gain down to full fade log or linear Definition control log or linear Contrast control Color saturation control Black Level control Red Green and Blue controls and a Screen Splitter control for before after comparison The Input switch control is Audio follow Video VM 1010 Video Distribution Amplifier can be serially connected between the mechanical switcher and the acceptors for video distribution It is a full broadcast state of the art and programmable video distribution amplifier The VM 1010 has two looping video inputs each splitting to 5 outputs The user may select 2x1 5 or 1 10 operation via front panel control switches Several VM 1010 units may be chained through the looping inputs Outpu
13. er warrants this product to be free from defects in material and workmanship under the following terms HOW LONG IS THE WARRANTY Labor and parts are warranted for three years from the date of the first customer purchase 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 2 Any product on which the serial number has been defaced modified or removed 3 Damage deterioration or malfunction resulting from a Accident misuse abuse neglect fire water lightning or other acts of nature unauthorized product modification or failure to follow instructions supplied with the product b Repair or attempted repair by anyone not authorized by Kramer c Any shipment of the product claims must be presented to the carrier d Removal or installation of the product e Any other cause which does not relate to a product defect f 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
14. gnal path Distance between sources Plays a major role in the final result For long distances over 15 meters between and acceptors sources and acceptors special measures should be taken in order to avoid cable losses These include using higher quality cables or adding line amplifiers Interference from These can have an adverse effect on signal quality Balanced audio lines are less neighboring electrical prone to interference but unbalanced audio should be installed far from any appliances mains power cables electric motors transmitters etc even when the cables are shielded KRAMER ELECTRONICS LTD 2 KRAMER 2 SPECIFICATIONS LVS 41 AV VS 101AV VS 4X Function 4x1 Video Stereo Audio 10x1 Video Stereo 4x1 Stereo Balanced Switcher Audio Switcher Audio Switcher 4 video 1Vpp 75 ohms 10 video 1Vpp 75 ohms 4 Stereo Balanced Audio on BNCs 4 stereo audio on BNCs 10 stereo audio 4dBm typical on XLR 4dBm typical on RCAs 4dBm typical on RCAs connectors 1 video 1Vpp 75 ohms 1 video 1Vpp 75 ohms 1 Stereo Balanced Audio on a BNC connector on a BNC connector 4dBm typical on XLR 1 stereo audio 4dBm 1 stereo audio 4dBm connectors typical on RCAs typical on RCAs Mechanical Break Mechanical Break Mechanical Break before make Audio before make Audio before make Follow Video mode Follow Video mode Frequency 500 MHz 3dB video 500 MHz 3dB video 100 kHz 3dB a
15. ronic RS232 or mechanically controlled A video audio switcher usually switches between several sources inputs and one or more acceptors outputs A switcher that allows several inputs to be connected to several outputs simultaneously is called a Matrix Switcher Switchers may be of the electronic or mechanical type Most matrices are of the active electronic type with many crosspoints Vertical Interval Switching frequently used in video ensures that the transition from one video source to another is smooth and without interference The mechanical switchers described in this manual have full industrial specifications and are rack mountable The video audio switchers offer a simple and economic solution for every video audio application Due to very careful design the video bandwidth is excellent Factors Affecting Quality of Results The factors affecting the quality of results when signals are transmitted from a source to an acceptor are Connection cables Low quality cables are susceptible to interference they degrade signal quality due to poor matching and cause elevated noise levels They should therefore be of the best quality Sockets and connectors of So often ignored they should be of highest quality since Zero Ohm connection the sources and acceptors resistance is the objective Sockets and connectors also must match the required impedance 75ohm in video Cheap low quality connectors tend to rust thus causing breaks in the si
16. t signals are user selectable DC or AC coupled for maximum flexibility VM 20ARII Programmable Video Audio Distribution Amplifier can be serially connected between the mechanical switcher and the video audio acceptors for video audio distribution It is a full bandwidth state of the art 1 20 Programmable video audio distribution The VM 20ARII splits a single video and audio input source into twenty identical outputs with no discernible signal degradation The VM 20ARII has four looping video and audio stereo inputs and a user programmable mode of operation The VM 20ARII can function as a 1 20 2x1 10 4x1 5 or 1 10 2x1 5 DA and audio operation mode may be separated from video mode Output signals are DC or AC coupled user selectable for highest signal fidelity Due to the extended bandwidth of the machine it can be also used for video graphics component distribution The machine has video gain and EQ controls for 4 sets of 5 outputs as well as audio level controls The audio section may be programmed to function as unbalanced stereo or balanced mono VIDEO TESTER A unique patented indispensable tool for the video professional the Video Tester is used to test a video path leading to from a switcher By pressing only one touch switch it can trace missing signals distinguish between good and jittery VCR sourced signals and identify the presence of good signals Whenever a video signal is missing because of bad connections cable breaks
17. udio response 100 kHz 3dB audio 100 kHz 3dB audio Crosspoints 4 for video 4x2 for audio 10 for video 10x2 for 4x2 for stereo audio 1 set active at any given _ audio set active at any time given time Signal levels Up to 3Vpp Video Up to 3Vpp Video 30dBm 30dBm Audio 30dBm Audio Dimensions 18 8cm x 10 2cm x 4 4cm 48 3cmX10 2cmX4 4 cm 15 3cmX6 6cmX7 6cm 7 4 x4 x 1 7 19 x 4 x 1U 6 X 2 6 X 3 0 65kg 1 44lbs Approx 1 5kg 3 3lbs Approx 0 57kg 1 27lbs Approx 3 HOW DOI GET STARTED The fastest way to get started is to take your time and do everything right the first time Taking 15 minutes to read the manual may save you a few hours later You don t even have to read the whole manual At the beginning of each section you ll find an overview of the section If the section doesn t apply to you you don t have to spend your time reading it 4 UNPACKING AND CONTENTS The items contained in your Kramer VS switcher package are listed below Please save the original box and packaging materials for possible future shipment gt Switcher gt User Manual gt Kramer concise product catalog gt 4rubber feet For additional information regarding optional cables and additional accessories contact your Kramer dealer KRAMER ELECTRONICS LTD 3 KRAMER 4 1 Optional Accessories The following accessories which are available from Kramer can enhance implementation of your switch
18. used or open connectors 1l TROUBLESHOOTING NOTES 1 Please note that if the output signal is disturbed or interrupted by very strong external electromagnetic interference it should return and stabilize when such interference ends If not turn the acceptor source power switch off and on again to reset the machine 2 If the following recommended actions still do not result in satisfactory operation please consult your KRAMER Dealer 11 1 Video Signal No video at the output Confirm that your sources and output device are powered on and connected device regardless of properly input selected Confirm that any other switchers in the signal path have the proper input and or output selected Use a Video Tester to test the video path leading to from your switcher see section 4 1 Video Tester Video level is too high Verify that the video line is well matched through 75ohm impedance otherwise or too dim it results in a video level that is too high or too dim Confirm that the connecting cables are of high quality properly built and terminated with 750hm BNC connectors Check level controls located on your source input device or output display or recorder Noise bars roll up or Hum bars ground loop are caused by a difference in the ground potential of any down in the output two or more devices connected to your signal path This difference is compensated image by passing that voltage difference through any available interconn
Download Pdf Manuals
Related Search