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USER MANUAL - Kramer Electronics

1. 1 20 Video Distributor VM 1021 OUT SET 1 OUT SET 2 OUT SET 3 OUT SET 4 Figure 3 VM 1021 Front Rear Panel Features Table 5 VM 1021 Front Panel Features DC COUPLING switch Selects DC coupling when pushed AC COUPLING switch Selects AC coupling when pushed BLACK CLAMP switch Clamps video signal to the black level when pressed best used for Composite or Component video TIP CLAMP switch Clamps video signal to the sync tip level when pressed best used for RGB signals Feature Function Power Switch Illuminated switch Supplies power to the unit EQ trimmer SET 4 ADJUST Controls cable equalization of SET 4 video outputs LEVEL trimmer SET 4 ADJUST Controls level of SET 4 video outputs EQ trimmer SET 3 ADJUST Controls cable equalization of SET 3 video outputs LEVEL trimmer SET 3 ADJUST Controls level of SET 3 video outputs EQ trimmer SET 2 ADJUST Controls cable equalization of the SET 2 video outputs LEVEL trimmer SET 2 ADJUST Controls level of SET 2 video outputs Eel EQ trimmer SET 1 ADJUST Controls cable equalization of the SET 1 video outputs eee il LEVEL trimmer SET 1 ADJUST Controls level of the SET 1 video outputs Table 6 VM 1021 Rear Panel Features INPUT BNC connector Video input TERM pushbutton Selects 75Q or HI z
2. OUT 1 5 BNC connectors 5 amplified buffered and clamped video outputs LOOP BNC connector Provides video looping capability to increase number of outputs Power Connector A 3 prong AC connector allows power to be supplied to the unit Directly underneath this connector a fuse holder houses the appropriate fuse 5 3 Getting To Know Your VM 1021 Amplifier The KRAMER VM 1021 is a full broadcast state of the art 1 20 Video Distribution Amplifier designed for studio and other demanding applications The VM 1021 splits a single input source into twenty identical outputs with no discernible signal degradation Output signals can either be AC or DC coupled black level or sync tip clamped thus allowing the machine to function in all video environments The outputs are divided into 4 sets of five each where each set may be individually trimmed level and EQ for maximal flexibility The machine may be used to distribute analog or SDI Serial Digital video signals composite or single component Video bandwidth of well over 350MHz and superb specifications make the VM 1021 the ultimate distributor for all video applications Front rear panel features of the VM 1021 are described in Figure 3 Table 5 and Table 6 KRAMER ELECTRONICS LTD POWER SET 4 ADJUST SET 3 ADJUST SET 2 ADJUST SET 1 ADJUST COUPLING CLAMP EQ LEVEL EQ LEVEL EQ LEVEL EQ LEVEL DC AC BLACK TIP i tor to ta OUT 16 20 OUT 11 15 OUT 6 10 OUT 1 5
3. Kramer welcomes your inquiries for Kramer equipment or custom manufactured products engineering private labeling and OEM manufacturing per your specifications This manual includes configuration operation and information for the following products from the Kramer VM line of distribution amplifiers All these VM amplifiers are similar in operation and features VM 1010 1 10 Video Distributor VM 1015 1 5 Video Distributor VM 1021 1 20 Video Distributor VM 1042 4 2 Video Component Distributor VM 1044 4 4 Video Distributor VM 1055 1 5 Five Channel Video Component Distributor VM 54 Looping Video Distributor VVVVVVV A Word On Distribution Amplifiers Distribution amplifiers are used to distribute one source to several acceptors for simultaneous recording or monitoring of one source with no discernible signal degradation They vary in the number of inputs looping capability programming capability number of outputs operating format bandwidth and input output coupling A good quality distribution amplifier amplifies the incoming signal pre compensates the signal for potential losses resulting from the use of long cables noisy source etc and generates several identical buffered and amplified outputs Often a signal processor is inserted between the source and the distribution amplifier for correction and fine tuning of the source signal before multiplication so that all copies are corrected in the same way The fro
4. audio or control signals to the amplifier while it is powered on 2 The socket outlet should be near the equipment and should be easily accessible To fully disconnect equipment remove power cord from its socket 1 Press the toggle switch on the far left front panel to the up position In the up position the toggle switch glows red and the active input button illuminates as well 2 Operate the acceptors 8 2 Looping The looping function enables the operator to extend the number of outputs per input The following example describes looping performed by using three amplifiers with one input and five outputs each A video signal reaches input of amplifier No 1 From looping connector of amplifier No 1 a cable is connected to input socket of amplifier No 2 The loop output of amplifier No 2 is connected to the input socket of amplifier No 3 By this way the input signal is divided into 15 separate output signals The operator must always switch to Hi z the termination switch of all the amplifiers but the last The last amplifier s termination switch should always be at 75Q to maintain well matched video KRAMER ELECTRONICS LTD 15 line of 75Q impedance from first to last amplifier Note that if looping function is not used the termination switch should be set to 75 Q 8 3 Level Control VM 1010 VM 1015 VM 1021 VM 54 only Level Control function enables the operator to control video signal level or compensate for
5. distortions such as those caused by cables that are too long Using a non standard or an uncalibrated video source also affects the incoming signal Picture darkness is usually caused by low video signal and on the other hand excessive video level burns the picture The sync signal approx 0 3v may be used to check conformity of the whole video signal If sync level is too low or too high the incoming video signal is not within the standard level To correct the incoming video signal an oscilloscope should be connected to amplifier s output and the LEVEL trimmer adjusted until satisfactory sync level and hence proper picture are achieved WARNING 1 Be aware that the amplifier was pre calibrated for transparent operation at the factory and re tuning it will upset signal transparency 2 Do not attempt to adjust the LEVEL trimmers without using accompanying standard calibrated oscilloscope or waveform monitor 8 4 Equalization Control VM 1010 VM 1015 VM 1021 VM 54 only Equalization Control function enables the operator to compensate for degradation of the video signal due to too long or non standard cables Popular cables such as the RG 59 RG 11 or the RG 179 signal cause degradation attenuation of the following values LENGTH FREQUENCY ATTENUATION RG 59 100 meter 10MHz 3 6dB 100 meter 100MHz 11dB 100 meter 7 5dB 100 meter 100MHz 30dB Degradation and loss of video signal are mainly caused due to stray capacitance w
6. D 1U H 1U H 48 26 cm x 48 26 cm x 17 78 x 4 5cm 17 78 x 4 5cm 2 66kg 5 911b 2 5kg 5 551b approx approx 6 7VA 3 2VA 230V 115V AC 230V 115V AC 50 60Hz 50 60Hz VM 1044 VM 1055 4XCV RGB SXCV RGB HSVS CV RGB CV RGB HSVS BNC BNC 1Vpp 75Q 1Vpp 75Q 4X4 CV RGB SX5CV RGB HSVS BNC BNC 1Vpp 75Q 1Vpp 75Q a 74dB 74dB 320 MHz 3dB 300 MHz 3dB ea 0 05Deg 0 1Deg 0 1 0 05 0 to 0 9dB No equalization 100 color bar 4 43MHz Not clamped Not clamped 1 1dB to Fixed gain 1 2 5dB 19 W 7 D 19 W 7 D 1U H 1U B 48 26 cm x 48 26 cm x 17 78 x 4 5cm 17 78 x 4 5cm 2 54kg 5 64lb 2 66kg 5 911b approx approx 4 6VA 5 3VA 230V 115V AC 230V 115V AC 50 60Hz 50 60Hz VM 54 1X CV 3comp CV Comp BNC 1Vpp 75Q looping 3x18 Composite CV BNC 1Vpp 75Q DC AC 70dB 350MHz 0 03 0 09Deg lt 0 05 0 2 0 to 2 3dB Not clamped 24 accessible trimmers 19 W 7 D 2U H 48 26 cm x 17 78 x 9 cm 3 98kg 8 841b approx 21 39VA 230V 115V AC 50 60Hz KRAMER ELECTRONICS LTD Ge 3 gt 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 So if the section doesn t apply to
7. even when the cables are shielded KRAMER ELECTRONICS LTD LI 2 SPECIFICATIONS VM 1010 VM 1015 Configuration 2X CV 1X CV Input BNC BNC Connections Input Level 1Vpp 75Q 1Vpp 75Q looping looping Output Type 1X10 or 2X5 5XCV Output BNC BNC Connector Output Level 1Vpp 75Q 1Vpp 75Q Output DC AC AC DC Coupling Clamped S N Ratio 74dB 75dB Bandwidth 220MHz 3dB 340MHz 3dB Differential 0 05 0 08 Gain Differential 0 05Deg 0 12Deg Phase K Factor lt 0 05 lt 0 03 Non Linearity 0 2 EQ Control 0 to 2 5dB 0 to 2 7dB 100 color bar 100 color bar 4 43MHz 4 43MHz DC Clamp Not clamped 0 V DC Black Level or sync bottom TIP Level Control 1 4dB to 1 2dB to 2 5dB 2 8dB trimmer Dimensions 19 W 7 D 19 W 7 D 1U H 1U A 48 26 cm x 48 26 cm x 17 78 x 4 5cm 17 78 x 4 5cm Weight 2 5kg 5 551b 2 42kg 5 381b Approx approx Power 10 3VA 4 6VA consumption Power Source 930v 115V AC 230V 115V AC 50 60Hz 50 60Hz VM 1021 VM 1042 1X CV 4XCV RGB CV CV RGB BNC BNC 1Vpp 75Q 1Vpp 75Q looping looping CV 3Vpp Max 2X4 CV RGB 2Vpp BNC BNC 1Vpp 75Q 1Vpp 75Q AC DC DC Clamped 74dB 73dB 350 MHz 3dB 200 MHz 3dB 0 1 0 05 0 07Deg 0 05Deg lt 0 03 lt 0 05 0 to 2 9dB 0 to 1 3dB 100 color bar 100 color bar 4 43MHz 4 43MHz 0 V DC Black Not clamped Level or sync bottom TIP 4 accessible 2 2dB to trimmers 2 0dB 19 W 7 D 19 W 7
8. instructions you can download it at http www kramerelectronics com KRAMER ELECTRONICS LTD 14 7 CONNECTING TO VIDEO DEVICES Video sources and output devices such as monitors projectors or recorders may be connected to the amplifiers through the BNC type connectors located on the back of the units Unused inputs are terminated to 75Q and active inputs should be terminated at the connecting source Please keep in mind that the output signal format will match that of the input signal format Example If input is composite then output is composite All signal connections that use more than one cable interconnecting between devices should be of equal length Example R G B cables between a camera and the amplifier should be equal in length The signals supported by the various models are described in Table 12 Table 12 Signals Supported By Model Model Supported signal VM 1010 Composite component Y C analog sync video VM 1015 Composite component analog sync video VM 1021 Composite component analog sync video VM 1042 Composite RGBs component VM 1044 Composite RGBs component VM 1055 Composite RGBHsVs analog or TTL sync component VM 54 Composite component RGBs video 8 USING THE VIDEO AMPLIFIERS 8 1 Powering On The Amplifier NOTES 1 The amplifier should only be powered on after all connections are completed and all source devices have been powered on Do not attempt to connect or disconnect any video
9. multi unit rack assembly may exceed the room ambient temperature Once rack mounted enough air will still flow around the machine The machine is placed straight in the correct horizontal position You do not overload the circuit s When connecting the machine to the supply circuit overloading the circuits might have a detrimental effect on overcurrent protection and supply wiring Refer to the appropriate nameplate ratings for information For example for fuse replacement see the value printed on the product label The machine is earthed grounded in a reliable way and is connected only to an electricity socket with grounding Pay particular attention to situations where electricity is supplied indirectly when the power cord is not plugged directly into the socket in the wall for example when using an extension cable or a power strip and that you use only the power cord that is supplied with the machine Place the ears of the machine against the rack rails and insert the proper screws not provided through each of the four holes in the rack ears Note that e In some models the front panel may feature built in rack ears Detachable rack ears can be removed for desktop use e Always mount the machine in the rack before you attach any cables or connect the machine to the power If you are using a Kramer rack adapter kit for a machine that is not 19 see the Rack Adapters user manual for installation
10. of the incoming signal are removed DC coupling is always preferable since AC coupling might cause some linearity distortions in low and high frequencies due to non ideal behavior of capacitors A problem may arise when the incoming signal is riding on a DC offset especially when the acceptors are highly effected by deviation of DC offsets A D converters for example which in turn results in a distorted picture Black Level Clamping VM 1015 VM 1021 only In the Black Level Clamping process the incoming black level signal is clamped to zero Whenever this process is activated by pressing the BLACK pushbutton the amplifier s internal system automatically switches to AC coupling thus removing the original DC components of the incoming signal The black level is clamped to zero thus converting the input signal to a standard video signal Whenever the picture is distorted too dark or too bright the DC offset is probably responsible so it is recommended to choose AC coupling If the malfunction still exists the BLACK pushbutton should be activated to restore the standard DC level of the video signal Sync Tip Clamping VM 1015 VM 1021 only Sync Tip Clamping is recommended for video signals such as RGB The RGB signal maximum amplitude is between 0 7V DC to 1V DC and their bottom level should be always clamped to zero It sometimes contains sync signal sync on green and sometimes does not When the Sync Tip Clamping p
11. outputs CHANNEL A B C D Power Connector A 3 prong AC connector allows power to be supplied to the unit Directly underneath this connector a fuse holder houses the appropriate fuse 5 6 Getting To Know Your VM 1055 Amplifier The KRAMER VM 1055 is a full broadcast Video Component RGBHV Distributor designed for studio graphics workstation presentation and other demanding applications The VM 1055 splits a five component input source into five identical outputs with no discernible signal degradation DC coupled inputs and outputs and state of the art video amplifying circuitry make the KRAMER VM 1055 the first choice Video Component Distributor Signal bandwidth of over 300 MHz and the option to adjust the termination of two sync channels 75 Qs analog or TTL level allow the VM 1055 to be used with graphics workstations and for presentation purposes The VM 1055 may function as a5 X 1 5 Video DA for any video source when the termination switch is at 75Q Composite YC YUV RGB and SDJ or as a three analog channels and two TTL channel distributor Front rear panel features of the VM 1055 are described in Figure 6 and Table 9 KRAMER ELECTRONICS LTD 10 POWER Video Component Distributor VM 1055 IN EY Hs FE FE oul EEN N IN FE Vs SEN JEN UT SEN N LEN aa UN UT UT N FR EE ENQ U EN LEN GEN IMEN e FR FEZ U SEN EA FE N 2 A EN U EN LEN OOOOO GLO OO 000000000 Figure 6 VM 1
12. 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 or on which the WARRANTY VON IF TAMPERED sticker has been torn reattached removed or otherwise interfered with 3 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 FORAND WHAT WE WILLNOT 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 programming These costs are the responsibility of the Kramer dealer from whom the product was purchased 3 Shipping charges HOW YOU CAN GET WARRANTY S
13. 055 Front Rear Panel Features Table 9 VM 1055 Front Rear Panel Features Power switch Illuminated switch Supplies power to the unit 1 2A 75Q switch Selects 75Q or HI z impedance for Hs Channel When at the 75Q position the signal applied to the connector should be analog video or sync signal When in the HI z position a TTL level sync signal may be used 3 IN Hs BNC connector Hs Channel video input horizontal sync 4 OUT Hs 1 5 BNC connectors Hs Channel amplified and buffered video outputs 5 75Q switch Selects 75Q or HI z impedance for Vs Channel When at the 75Q position the signal applied to the connector should be analog video or sync signal When in the HI z position a TTL level sync signal may be used 6 IN Vs BNC connector Vs Channel video input vertical sync 7 OUT Vs 1 5 BNC connectors Vs Channel amplified and buffered video outputs that are identical to each other and to the input 8 IN R BNC connector R Channel video input 9 OUT R 1 5 impedance for Vs R Channel amplified and buffered video outputs that are Channel identical to each other and to the input 10 ING BNC connector G Channel video input 11 OUT G 1 5 BNC connectors G Channel amplified and buffered video outputs that are identical to each other and to the input 12 INB BNC connector B Channel video input 13 OUT
14. 3 Selects Hi Z 75Q impedance for Channels 1 3 75 Q termination is applied when pressed Table 11 VM 54 Rear Panel Features No Feature Function 1 INPUT BNC connectors channels 1 3 Video input channels 1 3 2 LOOP BNC connectors channels 1 3 Provides video looping capability to increase number of outputs channels 1 3 3 OUTPUTS BNC connectors 1 18 Video outputs that are identical to each other and to channels 1 3 the input 4 Power Connector A 3 prong AC connector allows power to be supplied to the unit Directly underneath this connector a fuse holder houses the appropriate fuse KRAMER ELECTRONICS LTD 13 6 INSTALLATION 6 1 Rack Mounting How to Rack Mount Before Installing on a Rack Before installing on a rack be sure that the environment is within the recommended range Operating temperature range 5 to 45 Deg Centigrade To rack mount a machine 1 Attach both ear brackets to the machine To do so remove the screws from each side of the machine 3 on each side and replace those screws through the ear brackets Operating humidity range 10 to 90 RHL non condensing Storage temperature range 20 to 70 Deg Centigrade Storage humidity range 5 to 95 RHL non condensing J CAUTION When installing on a 19 rack avoid hazards by taking care that It is located within the recommended environmental conditions as the operating ambient temperature of a closed or
15. B C D LOOP BNC connector CHANNELS A B C D OUT 1 2 BNC connectors CHANNELS A B C D Power Connector back panel Function Illuminated switch Supplies power to the unit A 3 prong AC connector allows power to be supplied to the unit Directly underneath this connector a fuse holder houses the appropriate fuse KRAMER ELECTRONICS LTD 5 5 Getting To Know Your VM 1044 Amplifier The KRAMER VM 1044 is a full broadcast Video Component Distributor designed for studio and other demanding applications The VM 1044 splits a four component input source into four identical outputs with no discernible signal degradation Input and output DC coupling and state of the art video amplifying circuitry make the KRAMER VM 1044 the first choice Video Component Distributor Signal bandwidth of over 320MHz allows the VM 1044 to be used with graphics workstations The VM 1044 may serve as a 4 times 1 4 Video DA of exceptional quality for any video source Composite YC YUV RGB and SDI Front rear panel features of the VM 1044 are described in Figure 5 and Table 8 Video Component Distributor Figure 5 VM 1044 Front Rear Panel Features Table 8 VM 1044 Front Rear Panel Features Feature Function Power Switch front panel Illuminated switch Supplies power to the unit IN BNC connector Channel video input CHANNEL A B C D OUT 1 4 BNC connectors Channel amplified and buffered video
16. B 1 5 BNC connectors B Channel amplified and buffered video outputs that are identical to each other and to the input Power Connector A 3 prong AC connector allows power to be supplied to the unit Directly underneath this connector a fuse holder houses the appropriate fuse KRAMER ELECTRONICS LTD 11 5 7 Getting To Know Your VM 54 Amplifier The KRAMER VM 54 is a high quality state of the art Video Component Distribution Amplifier designed for studio and other demanding applications The VM 54 has three looping input channels each with 18 outputs With this configuration a 1 18 RGB distributor can be formed Each channel is subdivided into four groups of five or three outputs which may be tuned separately for gain and cable EQ The three input channels may be looped through together to form a 1 54 DA or other configurations e g 1 18 Composite or 1 18 YC using two channels To form a 1 54 distributor the channel 1 LOOP connector should be connected to the input connector of channel 2 The channel 2 LOOP connector should be connected to the input connector of channel 3 The termination switches of channels and 2 should be set at Hi z and the channel 3 termination switch should be set to 750 Output signals may be AC or DC coupled via front panel controls Signal bandwidth exceeding 350 MHz makes the VM 54 the first choice for a large video component distribution center Front rear panel features of the VM 54 are describ
17. ECTRONICS LTD 18 Problem Noise bars roll Hum bars ground loop are caused by a difference in the ground potential of any up or down in the two or more devices connected to your signal path This voltage difference passes output image through any available interconnection including your video cables or Low frequency WARNING hum in the output sional Do not disconnect the ground from any piece of video equipment in your signal path Check the following to remove hum bars 1 Confirm that all interconnected equipment is connected to the same phase of power if possible Remove equipment connected to the phase that may be introducing noise such as motors generators etc Disconnect all cables and reconnect them one at a time until ground loop reappears Disconnect the affected cable and replace or insert an isolation device opto isolator or transformer in the signal path KRAMER ELECTRONICS LTD 19 LIMITED WARRANTY Kramer Electronics hereafter Kramer warrants this product free from defects in material and workmanship under the following terms HOW LONGIS THE WARRANTY Labor and parts are warranted for seven years from the date of the first customer purchase WHOIS 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
18. ERVICE 1 To obtain service on you product you must take or ship it prepaid to any authorized Kramer service center 2 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 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 retu
19. Features VM 54 Front Rear Panel Features List Of Tables VM 1010 Front Panel Features VM 1010 Rear Panel Features VM 1015 Front Panel Features VM 1015 Rear Panel Features VM 1021 Front Panel Features VM 1021 Rear Panel Features VM 1042 Front Rear Panel Features VM 1044 Front Rear Panel Features VM 1055 Front Rear Panel Features VM 54 Front Panel Features VM 54 Rear Panel Features Signals Supported By Model a eJ va DOOD RARA ARUN e a a a a o0 0 O N NN NADAMA HN 20 Page Oonmnwonrnna 12 13 14 15 KRAMER ELECTRONICS LTD 1 1 1 INTRODUCTION Congratulations on your purchase of this Kramer Electronics amplifier Since 1981 Kramer has been dedicated to the development and manufacture of high quality video audio equipment The Kramer industrial 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 industrial 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 amplifiers such as the one you have just purchased Kramer also offers a full line of high quality industrial and broadcast switchers processors interfaces controllers and computer related products
20. KRAMER ELECTRONICS Ltd USER MANUAL Distribution Amplifiers Models VM 1010 VM 1015 VM 1021 VM 1042 VM 1044 VM 1055 VM 54 IMPORTANT Before proceeding please read paragraph entitled Unpacking and Contents KRAMER ELECTRONICS LTD B Section Ne WN Re D n IIDA A 0 90 00 90 00 00 90 HID o YAW RWNHE 10 1 10 2 Figure ANDAA UN e m f a OMANNDNFWN KE Table of Contents Name INTRODUCTION A Word On Distribution Amplifiers Factors Affecting Quality of Results SPECIFICATIONS HOW DO I GET STARTED UNPACKING AND CONTENTS Optional Accessories VM SERIES AMPLIFIERS Getting To Know Your VM 1010 Amplifier Getting To Know Your VM 1015 Amplifier Getting To Know Your VM 1021 Amplifier Getting To Know Your VM 1042 Amplifier Getting To Know Your VM 1044 Amplifier Getting To Know Your VM 1055 Amplifier Getting To Know Your VM 54 Amplifier INSTALLATION Rack Mounting CONNECTING TO VIDEO DEVICES USING THE VIDEO AMPLIFIERS Powering On The Amplifier Looping Level Control Equalization Control Coupling Black Level Clamping Sync Tip Clamping TAKING CARE OF YOUR VIDEO AMPLIFIER TROUBLESHOOTING Power And Indicators Video Signal Limited Warranty List Of Illustrations VM 1010 Front Rear Panel Features VM 1015 Front Rear Panel Features VM 1021 Front Rear Panel Features VM 1042 Front Panel Features VM 1044 Front Rear Panel Features VM 1055 Front Rear Panel
21. alog or SDI Serial Digital video signals composite or single component Video bandwidth of well over 340MHz and superb specifications make the VM 1015 the ultimate distributor for all video applications Front rear panel features of the VM 1015 are described in Figure 2 Table 3 and Table 4 POWER ADJUST COUPLING CLAMP EQ LEVEL DC AC BLACK TIP E 1 5 Video Distributor VM 1015 INPUT TERM LOOP OUT1 OUT 2 OUT3 OUT4 OUTS OO IN 75Q Figure 2 VM 1015 Front Rear Panel Features KRAMER ELECTRONICS LTD Table 3 VM 1015 Front Panel Features Feature Function Power Switch Illuminated switch Supplies power to the unit EQ trimmer ADJUST Controls cable equalization of the video outputs LEVEL trimmer ADJUST Controls video level of the video outputs DC COUPLING switch Selects DC coupling when pushed AC COUPLING switch Selects AC coupling when pushed BLACK CLAMP switch Clamps video signal to the black level when pressed best used for Composite or Component video TIP CLAMP switch Clamps video signal to the sync tip signal bottom level when pressed best used for RGB signals Table 4 VM 1015 Rear Panel Features Feature INPUT BNC connector Video input 2 TERM pushbutton Selects 75Q or HI z impedance when pressed for looping select Hi z
22. ble equalization of channel A outputs Level trimmer CHANNEL A Controls video level of channel A outputs KRAMER ELECTRONICS LTD Table 2 VM 1010 Rear Panel Features 1 OUT 1A 5A BNC connectors 5 amplified and buffered video outputs 3 75Q pushbutton Selects 75Q or HI z impedance for looping select Hi z 4 DC pushbutton Selects DC coupling when pushed 5 LOOP BNC connector Provides video looping capability to increase number of outputs 7 75Q pushbutton Selects 75Q or HI z impedance for looping select Hi Z 8 DC pushbutton Selects DC coupling when pushed 9 LOOP BNC connector Provides video looping capability to increase number of outputs 10 OUT 1B 5B BNC connectors 5 amplified and buffered video outputs 11 Power Connector A 3 prong AC connector allows power to be supplied to the unit Directly underneath this connector a fuse holder houses the appropriate fuse 5 2 Getting To Know Your VM 1015 Amplifier The KRAMER VM 1015 is a full broadcast state of the art 1 5 Video Distribution Amplifier designed for studio and other demanding applications The VM 1015 splits a single input source into five identical outputs with no discernible signal degradation Output signals can either be AC or DC coupled black level or sync tip signal bottom clamped thus allowing the machine to function in all video environments The machine may be used to distribute an
23. connections of your amplifier Understanding all of the controls and connections helps you realize its full power 5 1 Getting To Know Your VM 1010 Amplifier The KRAMER VM 1010 is full broadcast state of the art Programmable Video Distribution Amplifier designed for studio and other demanding applications 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 Output signals are user selectable DC or AC coupled for maximum flexibility Front rear panel features of the VM 1010 are described in Figure 1 Table 1 and Table 2 POWER CHANNEL B MODE CHANNEL A H 2 5 EQ LeveL m 1 10 EQ LeveL A O oO O Oo oO Programmable Video Distributor VM 1010 CHANNEL A CHANNEL B Ve OUT1A OUT 2A OUT 3A OUT4A OUTSA INPUTA LOOP INPUT B LOOP OUT 1B OUT 2B OUT 3B OUT 4B OUT 5B H O00000 0O00 Figure 1 VM 1010 Front Rear Panel Features Table 1 VM 1010 Front Panel Features Feature Function Power switch Illuminated switch Supplies power to the unit EQ trimmer CHANNEL B Controls cable equalization of channel B outputs Level trimmer CHANNEL B Controls video level of channel B outputs MODE 2 x 1 5 1 10 pushbutton Selects either 1 10 or 2 x 1 5 operation EQ trimmer CHANNEL A Controls ca
24. ed Figure 7 Table 10 and Table 11 EQ GAIN EQ GAIN EQ GAIN EQ GAIN DC 752 a o 01 0 O pO 0 0 O O Channel OUTPUTS 16 18 11 15 O OUTPUTS Osag O40 OUTPUTS 16 18 230 VAC Channel 3 5 50 60 Hz Channel 2 Channel 1 Figure 7 VM 54 Front Rear Panel Features Table 10 VM 54 Front Panel Features No 1 Power Switch Illuminated switch Supplies power to the unit 2 EQ trimmers OUTPUTS 16 18 Controls cable equalization of video outputs 16 18 in Channels 1 3 Channels 1 3 3 GAIN trimmers OUTPUTS 16 18 Controls video levels of outputs 16 18 in Channels 1 3 Channels 1 3 4 EQ trimmers OUTPUTS 11 15 Controls cable equalization of video outputs 11 15 in Channels 1 3 Channels 1 3 GAIN trimmers OUTPUTS 11 15 Controls video levels of outputs 11 15 in Channels 1 3 Channels 1 3 5 EQ trimmers OUTPUTS 6 10 Controls cable equalization of video outputs 6 10 in Channels 1 3 Channels 1 3 KRAMER ELECTRONICS LTD 12 6 GAIN trimmers OUTPUTS 6 10 Controls video levels of outputs 6 10 in Channels 1 3 Channels 1 3 7 EQ trimmers OUTPUTS 1 5 Controls cable equalization of video outputs 1 5 in Channels 1 3 Channels 1 3 8 GAIN trimmers OUTPUTS 1 5 Controls video levels of outputs 1 5 in Channels 1 3 Channels 1 3 9 AC DC switches Channels 1 3 Selects AC DC coupling for Channels 1 3 DC coupling when pressed 10 Hi Z 75Q switches Channels 1
25. hich occur in long cables As longer cables or higher frequency are used the problem becomes worse resulting in fine detail loss as well as color degradation When RGB signals are involved 200 300MHz degradation is even greater leading to a total loss of sharpness at high resolution It is necessary to compensate for the problem by using the amplifier s EQ Control trimmer Equalization is performed as follows A Color Bar Generator is connected to amplifier s input and a Waveform Monitor or an Oscilloscope with 75 Q termination is connected to the long cable output A known color bar signal is applied to the amplifier s input and compared to the signal monitored at the far side The operator adjusts the EQ trimmer until the measured output chrominance signal matches that of the input signal KRAMER ELECTRONICS LTD 16 8 5 8 6 8 7 WARNING 1 The amplifier was calibrated at the factory for transparent operation at I meter Any re tuning will upset amplifier s transparency 2 Do not attempt to adjust the Equalization trimmers without using accompanying standard calibrated oscilloscope or waveform monitor Coupling The coupling function enables the operator to determine whether the incoming video signal is DC or AC coupled When DC coupling is selected and proper standard video signal is applied to the amplifier s input the output signal is equal to the input signal When AC coupling is selected DC components
26. impedance when pressed for looping select Hi z LOOP BNC connector Provides video looping capability to increase number of outputs Power Connector A 3 prong AC connector allows power to be supplied to the colalalulal w Jan unit Directly underneath this connector a fuse holder houses the appropriate fuse KRAMER ELECTRONICS LTD 5 4 Getting To Know Your VM 1042 Amplifier The KRAMER VM 1042 is a full broadcast looping Video Component Distributor designed for studio and other demanding applications VM 1042 splits each input of a four component source into two identical outputs with no discernible signal degradation Input and output DC coupling and state of the art video amplifying circuitry make the KRAMER VM 1042 the first choice Video Component Distributor Signal bandwidth of 200MHz allows the VM 1042 to be used for the most demanding applications The VM 1042 may be used as a 4 times looping 1 2 video DA of exceptional quality for any video source Composite YC YUV or RGB Front rear panel features of the VM 1042 are described in Figure 4 and Table 7 POWER Ge Video Component Distributor CHANNEL A CHANNEL B LOOP OUT 1 LOOP OUT 1 CHANNEL C LOOP OUT 1 CHANNEL D Figure 4 VM 1042 Front Rear Panel Features Table 7 VM 1042 Front Rear Panel Features Feature Power Switch front panel IN BNC connector CHANNELS A B C D TERM pushbutton CHANNELS A
27. nent thus it serves as a Component DA as well The SP 3001 allows full control of Gain Contrast Definition and black level of the Y channel and individual Gain and Black level controls of the R Y and B Y channels A Screen Splitter control for before after comparison is also built in 611T 611R 611T full bandwidth Fiber Optic Transmitter and 611R matching Fiber Optic Receiver Part of the KRAMER TOOLS series and designed for studio and other demanding applications These machines in combination may be used to send one of the distributed channels to distances of 5 25Km The 611T and 611R use state of the art fiber optic circuitry and allow the user via rear panel trimmers to adjust input and output video levels and high frequency peaking to achieve best performance Both machines like all KRAMER TOOLS are fed from a 12V DC source making them perfectly suitable for fieldwork as well KRAMER ELECTRONICS LTD gt VIDEO TESTER A new unique patented indispensable tool for the video professional the Video Tester is used to test a video path leading to from an amplifier 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 or faulty sources the Video Tester is all you need 5 VM SERIES AMPLIFIERS This section describes all the controls and
28. nt panels of these Kramer amplifiers are designed to be simple to operate KRAMER ELECTRONICS LTD 1 2 Factors Affecting Quality of Results There are many factors affecting the quality of results when signals are transmitted from a source to an acceptor 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 the sources and acceptors So often ignored they should be of highest quality since Zero Q connection resistance is the target Sockets and connectors also must match the required impedance 75Q in video Cheap low quality connectors tend to rust thus causing flaws in the signal path Amplifying circuitry Must have quality performance when the desired end result is high linearity low distortion and low noise operation Distance between sources and acceptors Plays a major role in the final result For long distances over 15 meters between 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 neighboring electrical appliances These can have an adverse effect on signal quality Balanced audio lines are less prone to interference but unbalanced audio should be installed far from any mains power cables electric motors transmitters etc
29. outlet and from the machine and then using a flat head screwdriver remove the fuse holder located directly below the power connector Confirm that the fuse is good by looking at the wire connected to the ends of the fuse If the wire is broken replace the fuse with another with the same value 10 2 Video Signal Problem No video at the Confirm that your sources and output device are powered on and output device connected properly Video signals at the input of your amplifier should regardless of be of an identical signal format at the output of your source Video input selected signals at the output of your amplifier should be of an identical signal format as at the input of your display or recorder Confirm that any other amplifiers 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 amplifier Video level is too The amplifiers in this manual except for the VM 1044 and VM 54 high or too dim have termination switches on each input Verify that the video line is well matched through 75 Q impedance otherwise it results in a video level that is too high or too dim when looping is performed and the termination switches are not in proper position Confirm that the connecting cables are of high quality properly built and terminated with 75Q BNC connectors Check level controls located on your source input device or output display or recorder KRAMER EL
30. rned 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 amp Use the supplied DC power supply to feed power to the machine amp Please use recommended interconnection cables to connect the machine to other components KRAMER ELECTRONICS LTD 20 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 001 02 io 20 S o o sma Institute of Quality amp Control tip Kramer Electronics Ltd Web site www kramerelectronics com E mail info kramerel com P N 2900 001001 REV 4
31. rocess is activated by pressing the Sync Tip pushbutton signal bottom level is clamped to zero and the whole video signal is now positive and zero clamped TAKING CARE OF YOUR VIDEO AMPLIFIER Do not locate your amplifier in an environment where it is susceptible to dust or moisture These may damage the electronics and cause erratic operation or failure Do not locate your amplifier where temperature and humidity may be excessive Do not clean your amplifier 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 unused or open connectors KRAMER ELECTRONICS LTD 17 10 TROUBLESHOOTING NOTES I 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 power switch off and on again to reset the machine 2 If the recommended actions still do not result in satisfactory operation please consult your KRAMER Dealer 10 1 Power and Indicators Problem No Power Confirm that rocker switch is in ON position and red LED is illuminated Confirm that power connections are secured at the amplifier and at the receptacle Make sure the receptacle is active outputting the proper mains voltage If there is still no power check the fuse Remove power cord from the AC
32. you you don t have to spend your time reading it UNPACKING AND CONTENTS The items contained in your Kramer VM Amplifier packaging are listed below Please save the original box and packaging materials for possible future transportation and shipment of the Amplifier gt Amplifier rack mountable gt AC power cable gt User Manual gt 4rubber feet For additional information regarding optional cables and optional accessories contact your Kramer dealer Optional Accessories The following Kramer accessories can enhance implementation of your amplifier SP 11 Video Audio Processor can be serially connected between the video audio source and the VM amplifier for video and audio control correction The machine provides camera control and luminance white balance correction The SP 11 is also capable of performing Composite to Y C conversion 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 SP 3001 Component Video Processor can be serially connected to the VM amplifier in order to achieve full control of component video The SP 3001 has 3 looping Component Video inputs and 9 outputs three for each compo

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