USER MANUAL
Contents
1. No Feature Function 1 CV Audio IN RCA Connectors For composite video audio plug 2 CV Audio Loop RCA Connectors For audio looping to increase output availability 3 Y C Audio IN RCA Connectors For s Video Y C audio plug 4 Y C Audio Loop RCA Connectors For audio looping to increase output availability 5 CV Audio OUT RCA Connectors Audio out for composite video 6 Y C Audio OUT RCA Connectors Audio out for s Video Y C 7 Coup DC Button IN DC Controls video input coupling 8 Term 75Q Button IN 75Q Controls loop termination 9 CV IN BNC Connector For the composite video source 10 CVLOOP BNC Connector For video looping to increase output availability 11 YIC from CV 4p Connector Converted output 12 CV Outputs BNC Connectors Video outputs 13 Coup DC Button IN DC Controls video input coupling 14 Term 75Q Button IN 75Q Controls loop termination 15 YIC IN 4p Connector For the s Video source 16 Y C LOOP 4p Connector For video looping to increase output availability 17 CV from Y C BNC Connector Converted output 18 Y C Outputs 4p Connectors Video outputs 19 Power Connector with Fuse AC connector enabling power supply to the unit 4 2 Getting to Know Your VM 10YCxl The VM 10YCYXI is an exceptional 1 10 distribution amplifier with dual format and bi directional conversion between Y C and composite video Section 4 2 6 includes labeled2. Front Panel Buttons Result S Video Composite YIC Video P a Produces 5 converted Y C outputs from the composite input R Amplifies Y C input distributing it to 5 Y C outputs and converting it to a single x composite output P Produces 5 converted composite video outputs from the Y C input Amplifies the composite video input distributing it to 5 composite video outputs and R providing a single converted Y C output 2 independent distribution amplifiers a 1 to 5 plus 1 composite DA and a 1 to 5 plus R R 1 Y C DA P R Composite video input provides 5 composite outputs and 5 Y C outputs R P Y C input provides 5 Y C outputs and 5 composite outputs and the composite converted output P P Composite video input provides Y C output plus 1 output and the Y C input converts to 5 composite outputs plus 1 converted output P Pressed In R Released 7 1 2 VM 5YCxI Versatility The versatility of the VM 5YCxl offers the following possibilities Releasing both the S Video Y C and the composite video front panel buttons enables the VM 5YCx to function as two independent distribution amplifiers a 1 to 5 plus 1 composite and a 1 to 5 plus 1 Y C By releasing the composite video front panel button and pressing the S Video Y C front panel button the composite video Input provides five composite outputs and five Y C outputs By releasing the S Video Y C front panel button and pressing the compo
3. e 1to5 Y C and stereo audio Section 7 1 1 describes how to operate the front panel buttons relevant footnotes marked as item refer to the items numbered in Figure 1 Section 7 1 2 describes the versatility of the VM 5YCxl 7 1 1 VM 5YCxI Front Panel Buttons By pressing and releasing the S Video Y C and the composite video front panel buttons you can program all the functions of the VM 5YCxI 7 1 1 1 S Video Y C Front Panel Button Operation Pressing the S Video Y C front panel button produces five Y C outputs from the composite input converting composite to Y C Releasing the S Video Y C front panel button amplifies the Y C input and distributes it to five Y C outputs simultaneously providing a single composite converted from Y C output 7 1 1 2 Composite Video Front Panel Button Operation Pressing the composite video front panel button produces five composite video outputs converting the Y C input to composite and simultaneously providing an additional composite converted from Y C 6 output 1 Items 2 and 3 respectively 2 Item 7 3 Item 15 4 Item 10 5 Item 13 6 Item 15 10 KRAMER ELECTRONICS LTD Operation Releasing the composite video front panel button amplifies the composite video input and distributes it to five composite video outputs simultaneously providing a single converted Y C output Table 6 VM 5YCxl Front Panel Button Operation Summary
4. from mains carrying cables electric motors and transmitters 4 Composite s Video Audio Distribution Amplifiers Section 4 1 describes the 1 5 model VM S5YCxI and section 4 2 describes the 1 10 model VM 10YCxI 4 gt Getting to Know Your VM 5YCxl The VM 5YCXxl is an exceptional 1 5 distribution amplifier with dual format and bi directional conversion between Y C and composite video Section 4 1 6 includes labeled illustrations of the front and rear panels and an explanation of the features 4 1 1 Unique 1 5 Distribution Amplifier The VM 5YCXxl is a unique 1 5 distribution amplifier that accepts a single input source and distributes the signal to five identical outputs designed to drive monitors projectors or other receiving devices for e S Video Y C with 4 pin connectors e Composite video with BNC connectors e Audio stereo signals 4 1 2 Dual Format The VM 5YCXxl is a true dual format distribution amplifier enabling simultaneous distribution of s Video and composite video 4 1 3 Bi Directional Conversion Between Y C and Composite Video The VM 5YCxl supports 1 In excess of 15 meters 2 Balanced audio lines are less prone to interference KRAMER Composite s Video Audio Distribution Amplifiers e A composite input distributed to up to 5 composite outputs and 5 Y C outputs e A Y C input distributed to up to 5 composite outputs and 5 Y C outputs The composite video input and the Y C i
5. cev fr Kramer Electronics Ltd D KRAMER USER MANUAL Models VM 5YCxI 1 5 Composite s Video Audio DA VM 10YCxI 1 10 Composite s Video Audio DA Contents Contents 1 Introduction 2 Getting Started 3 Overview 3 1 About Distribution Amplifiers 3 2 High Signal Quality Recommendations 4 Composite s Video Audio Distribution Amplifiers 4 1 Getting to Know Your VM SYCxl 4 1 1 Unique 1 5 Distribution Amplifier 4 1 2 Dual Format 4 1 3 Bi Directional Conversion Between Y C and Composite Video 4 1 4 Bandwidth 4 1 5 Rear Panel Controls 4 1 6 Front and Rear Panels 4 2 Getting to Know Your VM 10YCxl 4 2 1 Unique 1 10 Distribution Amplifier 42 2 Dual Format 42 3 Bi Directional Conversion Between Y C and Composite Video 4 2 4 Bandwidth 42 5 Rear Panel Controls 4 2 6 Front and Rear Panels 5 Installation 5 1 Rack Mounting 5 2 Connecting to Video Devices 6 Technical Specifications 7 Operation 7 1 Operating the VM 5YCxl III VM 5YCxl Front Panel Buttons 7 1 2 VM 5YCxl Versatility K Operating the VM 10YCx1 7 2 1 VM 10YCxl Front Panel Buttons 722 VM 10YCxI Versatility LIMITED WARRANTY Figures Figure 1 VM 5YCxl Front Rear Panel Features Figure 2 VM 10YCx Front Rear Panel Features Figure 3 VM 5YCxl Underside Figure 4 VM 10YCx1 Underside GO A A O O Ch A A A QA Q Q Q Q QQ NNN eee Q O ra OOS _ 13 17 KRAMER Contents Tables Tab
6. e simultaneously as two independent amplifiers as follows e 1 to 10 composite video and stereo audio e 1 to 10 Y C and stereo audio 7 2 1 VM 10YCxI Front Panel Buttons By pressing and releasing the S Video Y C and the composite video front panel buttons you can program the functions of the VM 10YCxl 7 2 1 1 S Video Y C Front Panel Button Operation Pressing the S Video Y C front panel button produces ten Y C outputs from the composite input converting composite to Y C Releasing the S Video Y C front panel button amplifies the Y C input and distributes it to ten Y C outputs simultaneously providing a single composite converted from Y C output 7 2 1 2 Composite Video Front Panel Button Operation Pressing the composite video front panel button produces ten composite video outputs converting the Y C input to composite and 1 Item 19 2 This is useful for example when laying five cables in one room and five longer cables in a different room 3 A digital based comb filter converter 4 Digital converters need to know what standard you use 5 Analogue machines like the VM 5YCxl work in only one mode not both 6 Items 3 and 4 respectively 7 Item 8 8 Item 15 9 Item 10 10 Item 13 14 KRAMER ELECTRONICS LTD Operation simultaneously providing an additional composite converted from Y C output Releasing the composite video front panel button amplifies the composite video input d
7. erving the standard output to see if there is a discrepancy Only if a discrepancy exists trim the unit 7 2 Operating the VM 10YCxl This section describes how to operate the VM 10YCxI Section 7 2 1 describes how to operate the front panel buttons relevant footnotes marked as item refer to the items numbered in Figure 2 Section 7 2 2 describes the versatility of the VM 10YCxl The VM 10YCx1 is similar to the VM 5YCxI both in terms of design and operation However there are important differences as follows e The VM 10YCxI includes rear panel adjustment controls for C vi and Y EQ for adjusting the C level the Y level and the Y EQ level 1 Since audio uses high impedance cables there is no need for termination if the distance is not excessive 2 Trimmers are for fine tuning not user level control They are fragile and break easily 3 Item 17 4 Item 18 13 KRAMER Operation e The VM 10YCxl has two blocks of Y C outputs 1 5 and 6 10 Each block is separately adjustable e The VM 10YCxI uses an internal digital composite to Y C converter and the VM 5YCx1 uses an analogue converter The additional front panel button STD on the VM 10YCxI selects either PAL or NTSC Pressing the button sets the VM 10YCYXI for the PAL system releasing the button sets the VM 10YCxI for the NTSC system The VM 10YCx with its two types of video input composite and s Video can function in several modes For exampl
8. hools retail outlets sports bars or other point of sale and CCTV applications This product comes with the following items e Amplifier e AC power cable e This user manual e Kramer concise product catalog CD e Rubber feet 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 1 When ordering a VM 5YCxl specify whether you require a PAL or a NTSC compatible unit unlike the VM 10YCxl the VM 5YCxl includes no push button for selecting PAL or NTSC 2 Closed Circuit TV KRAMER Overview 3 1 3 2 Overview This section describes distribution amplifiers and includes recommendations for achieving high signal quality About Distribution Amplifiers A good quality distribution amplifier amplifies the incoming signal video and audio pre compensates the signal for potential losses perhaps resulting from the use of long cables and generates several identical buffered and amplified outputs Often inserting a signal processor between the source and the distribution amplifier corrects and fine tunes the source signal before multiplication This results in the correction of all copies in the same way The properties of distribution amplifiers can vary as follows e Number of inputs e Looping capability e Number of outputs e Operating format e Bandwidth e Input outpu
9. illustrations of the front and rear panels and an explanation of the features 4 2 1 Unique 1 10 Distribution Amplifier The VM 10YCXxl is a unique 1 10 distribution amplifier that accepts a single input source and distributes the signal to ten identical outputs designed to drive monitors projectors or other receiving devices for e S Video Y C with 4 pin connectors e Composite video with BNC connectors e Audio stereo signals 4 2 2 Dual Format The VM 10YCxl is a true dual format distribution amplifier enabling simultaneous distribution of s Video and composite video 4 2 3 Bi Directional Conversion Between Y C and Composite Video The VM 10YCx supports KRAMER Composite s Video Audio Distribution Amplifiers e A composite input distributed to up to 10 composite outputs and 10 Y C outputs e A Y C input distributed to up to 10 composite outputs and 10 Y C outputs The composite video input and the Y C input each include an extra converted output an extra Y C output for the composite video input and an extra composite video output derived from the Y C input so that even when functioning as two unconverted distribution amplifiers an extra converted output for monitoring is available The composite to Y C decoding is performed using a digital comb filter for perfect Y C outputs 4 2 4 Bandwidth Bandwidth exceeding 300 MHz ensures transparent performance with typical video and audio sources 4 2 5 Rear Pane
10. ires two vertical rack spaces The standard 19 inch IU EIA rack assembly requires no specific spacing above or below the unit for ventilation To mount either the VM 5YCx or the VM 10YCxI position the rack ears against KRAMER Technical Specifications the rails of your rack and insert standard screws through each of the four corner holes in the front panel 5 2 Connecting to Video Devices Connect either the VM 5YCxI or the VM 10YCx to the power supply and to the video and audio inputs and outputs 6 Technical Specifications Table 5 lists the technical specifications for the VM 5YCxl and the VM 10YCxl 8 KRAMER ELECTRONICS LTD Haten H DI JSMOd p409 JaMod SSIMOSSAD9NV xoudde ergi 64 g xoudde sq 9 By S Z LH9IIM YAPI Den OWASLL ZH 09 09 OWA OEZ VAZL V S n OWAGLL ZH 09 09 OWA OEZ AOYNOS YIMOd ajgeyunow 492d H NZ A Youd AA YOU6 L aqejunow ye H NL A Yur AN Your 6L SNOISN3INIG E00 0 GLOO OINONW2IVH ANZ ZHAL AL S0 0 gt ZHAL AU Z0 0 GHL OlqnV dd 1 Get Den gp 08 dd 1 peyyBiemun gp gg NS OIANY ape ZH 001 ape ZH100l HLGIMGNVs Olanv uoyjezienbe A Tel A Bue D seyoywms WeiBoid S UD IWS OSIN Tvd H 10 lisoduuo2 0 llsoduuoo isoduuoo JO D A O O A UUSIDOd 9 4 JO lisoduuoo o isoduuo2 l isoduuoo JO D A 0 O A SIOYMLNOD opne 40 OV o piA Od 10 OV o
11. is used at the video input After the termination switch of the VM 5YCxI unit is released Hi Z mode connect the loop connector to the input connector of the next VM 5YCxI unit If that next VM 5YCxI unit is the last press its terminating switch terminating the line to 75 Q In a chain of looped VM 5YCx1 units release the terminating button Hi Z mode in all VM 5YCYXI units except for the last tem 16 tem 10 tem 15 Item 7 tem 9 tem 13 1 2 3 4 5 Item 16 6 7 8 Item 10 9 tem 15 10 Items 5 and 11 respectively 11 Items 6 and 12 respectively 12 Item 7 13 Item 8 14 Item 7 12 KRAMER ELECTRONICS LTD Operation thus terminating the line at its end The audio inputs also have looping outputs However in audio termination is not required 7 1 2 3 Trimmers Operation Five small holes on the underside of the VM 5YCxI enable access to the trimmers as Figure 3 illustrates Rear Panel Power Socket Oo Or i rit Doma roa r eo H TI LI Loi I LI LI LI LI 1 Composite EQ ot W i EQ e e Z Y Level c Composite Level C level Bottom View VM 5YCx Front Panel Figure 3 VM 5YCxl Underside Warning Adjust only in extremely problematic cases Adjustment is usually unnecessary as each unit comes factory pre set Verify if a problem exists by inputting a standard signal to the machine and obs
12. istributes it to ten composite video outputs and simultaneously provides a single converted Y C output Table 7 VM 10YCxl Front Panel Button Operation Summary Front Panel Buttons Result S Video Composite YIC Video P Produces 10 converted Y C outputs from the composite input R Amplifies Y C input distributing it to 10 Y C outputs and converting it to a single composite output z P Produces 10 converted composite video outputs from the Y C input Amplifies the composite video input distributing it to 10 composite video outputs T R and providing a single converted Y C output R R 2 independent distribution amplifiers a 1 to 10 plus 1 composite DA and a 1 to 10 plus 1 Y C DA P R Composite video input provides 10 composite outputs and 10 Y C outputs R P Y C input provides 10 Y C outputs and 10 composite outputs and the composite converted output P P Composite video input provides Y C output plus 1 output and the Y C input converts to 10 composite outputs plus 1 converted output P Pressed In R Released 7 2 2 VM 10YCxI Versatility The versatility of the VM 10YCYXxI offers the following possibilities Releasing both the S Video Y C and the composite video front panel buttons enables the VM 10YCx to function as two independent distribution amplifiers a 1 to 10 plus 1 composite and a 1 to 10 plus 1 Y C By releasing the composite video front panel button and pressing
13. l Controls Rear panel controls enable AC or DC coupling and termination to enable looping as well as controls for C level Y level and Y EQ level adjustment 4 2 6 Front and Rear Panels Figure 2 illustrates the front and rear panels of the VM 10YCx PROGRAM STD we cv j b s A Ol O O O O E KI A A Z Y Q R ams IN eg r werner LOOP cv rom vic Of 99 Si AY GIE bal roe A ue Figure 2 VM 10YCxl Front Rear Panel Features Tables 3 and 4 define the features and functions of the VM 10YCxI 1 Comb filtering separates Y from C based on combing out the chrominance signal from the luminance KRAMER ELECTRONICS LTD Installation Table 3 VM 10YCxl Front Panel Features No Feature Function 1 Power Switch Supplies power to the unit 2 STD NTSC or PAL Push Button Selects PAL or NTSC 3 S Video Y C Push Button Selects source for 10 s Video outputs IN CV input OUT Y C input 4 CV Push Button Selects source for 10 CV outputs IN Y C input OUT CV input Table 4 VM 10YCxl Rear Panel Features No Feature Function 1 CV Audio IN RCA Connectors For composite video audio plug 2 CV Audio Loop RCA C
14. le 1 VM 5YCx Front Panel Features 4 Table 2 VM 5YCx Rear Panel Features 5 Table 3 VM 10YCxI Front Panel Features 7 Table 4 VM 10YCxl Rear Panel Features 7 Table 5 Technical Specifications for VM 5YCxl and VM 10YCx1 composite video data shown 9 Table 6 VM 5YCx Front Panel Button Operation Summary 11 Table 7 VM 10YCx1 Front Panel Button Operation Summary 15 ii KRAMER ELECTRONICS LTD Introduction Introduction Dedication by Kramer Electronics since 1981 to the development and manufacture of high quality video audio equipment makes the Kramer line an integral part of the finest production and presentation facilities in the world In recent years Kramer has redesigned and upgraded most of the line making the best even better The Kramer 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 our high quality amplifiers we also offer excellent industrial and broadcast switchers processors interfaces controllers and computer related products Congratulations on purchasing your Kramer VM 5YCxl or VM 10YCx1 distribution amplifier This product which is the most flexible of its kind in the world is ideal for the following applications e Video duplication studios e Broadcasting production or presentation systems requiring high quality signal distribution e Sc
15. lpne 10 OV o piA Oq 10 OV ONIT1dnOOS S0 0 gt KR HOLOV FA 6eq or 6eq LU 3SVHd 220 GO O gt OC D NIV9 220 gp GGL gp Sez MS OO bO gt S0 0 gt ALRIV3NI T NON ZHINS 9P 9 gt ZHWS apes gt WIWLSSOND OJAIA P ZH DOE Pe ZHW 00 lt HLGIMONVd OO SYY uo G OOL ddA 0919 S olpne OLXZ SCH uo G OOL ddA 0919 S olpne x Siojo uuoo dp UO O SZ ddA 0 9 O SL AdAL A O A L OL Siojo uuoo dp UO G S ddA 0 9 O S ddAL A O A L S SONG uo O SZ ddA CAPIA llsoduuoo OL SON uo O Sz ddA o plA llsoduuo2 SIndInO SYY uo O 30S ddA Buidooj olpne o J ls Z SYY uo G J09 ddA Buidoo o j ls olpne z Jojp uuoo dp uo G S ddA 0 O U S ddA A Buidoo Jojo uuo2 dp E uo G S ddA 0 O U S ddA LA Buidool L Jojo uuoo ed ON8 uo G SZ ddA Buldoo o piA ysodwoo JO O uuoo ONG uo G Sz ddA Burdooj o piA lisoduuo2 ISLNdNI XOAOL NWA POASTWA umoys ppp oapia asodwo2 DH OTA PUP DCH WA 40f suollpo1fio d qoruya AWI suoneouo ds eoruuo3 L Operation 7 Operation Section 7 1 describes how to operate the VM 5YCxI and section 7 2 describes how to operate the VM 10YCxI 7 1 Operating the VM 5YCxl The VM 5YCxI which has two types of video input composite and s Video can function in several modes For example simultaneously as two independent amplifiers as follows e 1 to 5 composite video and stereo audio
16. ng Operation 1 2 3 4 5 6 7 8 9 tem tem tem tem tem 8 The Term 75Q buttons control loop termination for enabling a loop connection between two VM 10YCx units to increase the number of outputs In this case the signal enters the first VM 10YCx unit when composite video is used at the video input After the termination switch ofthe VM 10YCx unit is released Hi Z mode connect the loop 6 3 tem 16 Item 10 5 6 tem 9 tem 13 10 Item 10 11 Item 15 12 Items 5 and 11 respectively 13 Items 6 and 12 respectively 14 Item 8 1 6 KRAMER ELECTRONICS LTD Operation connector to the input connector of the next VM 10YCx1 unit in the chain If that next VM 10YCxI unit is the last in the chain press its terminating switch to terminate the line to 75 Q In a chain of looped VM 10YCxl units release the terminating button Hi Z mode in all VM 10YCxl units except for the last thus terminating the line at its end The audio inputs also have looping outputs However in audio termination is not required 7 2 2 3 Trimmers Operation Seven small holes on the underside of the VM 10YCxI enable access to the trimmers as Figure 4 illustrates Rear Panel Power Socket Oo ee a nn ore Y EQ Composite EQ k e Y Level Bottom View C out level Composite Level VM 10YCx Fro
17. nput each include an extra converted output an extra Y C output for the composite video input and an extra composite video output derived from the Y C input so that even when functioning as two unconverted distribution amplifiers an extra converted output is available 4 1 4 Bandwidth Bandwidth exceeding 300 MHz ensures transparent performance with typical video and audio sources 4 1 5 Rear Panel Controls Rear panel controls enable selecting AC or DC coupling and enable termination to enable looping 4 1 6 Front and Rear Panels Figure 1 illustrates the front and rear panels of the VM 5YCxI O e usss TRORA _ 3 FA ne SMIDEO ic COMPOSITE wowe Imm O ouwen KU wewe Q O een C een Composite DisTRIBUTION AMPLIFIER VM SYCXL 7 o D OG sd Wy D 0 Die ue 50 60 Hz FUSE 19 Figure 1 VM 5YCxl Front Rear Panel Features Tables 1 and 2 define the features and functions of the VM 5YCxI Table 1 VM 5YCxl Front Panel Features No Feature Function 1 Power Switch Supplies power to the unit 2 S Video Y C Push Button Selects source for 5 s Video outputs IN CV input OUT Y C input 3 Composite Push Button Selects source for 5 composite video outputs IN Y C input OUT CV input 4 KRAMER ELECTRONICS LTD Composite s Video Audio Distribution Amplifiers Table 2 VM 5YCxl Rear Panel Features
18. nt Panel Figure 4 VM 10YCxl Underside Warning Adjust only in extremely problematic cases Adjustment is usually unnecessary as each unit comes factory pre set Verify if a problem exists by inputting a standard signal to the machine and observing the standard output to see if there is a discrepancy Only if a discrepancy exists trim the unit 1 Item7 2 Item 8 3 Since audio uses high impedance cables there is no need for termination if the distance is not excessive 4 Trimmers are for fine tuning not user level control They are fragile and break easily KRAMER 17
19. onnectors For audio looping to increase output availability 3 Y C Audio IN RCA Connectors For s Video Y C audio plug 4 Y C Audio Loop RCA Connectors For audio looping to increase output availability 5 CV Audio OUT RCA Connectors Audio out for composite video 6 Y C Audio OUT RCA Connectors Audio out for s Video Y C 7 Coup IN DC Controls video input coupling 8 Term IN 75Q Controls loop termination 9 CV LOOP BNC Connector For video looping to increase output availability 10 CV IN BNC Connector For the composite video audio source 11 Y C from CV 4p Connector Converted output 12 CV OUTPUTS BNC Connectors Video outputs 13 Coup IN DC Controls video input coupling 14 Term IN 75Q Controls loop termination 15 Y C IN 4p Connector For the s Video source 16 Y C LOOP 4p Connector For video looping to increase output availability 17 CV from Y C BNC Connector Converted output 18 Y C OUTPUTS 4p Connectors Video outputs 19 C Control Adjustment control for C 20 Y Control Adjustment control for Y 21 EQ Control Adjustment control for Y EQ 22 Power Connector with Fuse AC connector enabling power supply to the unit 5 Installation This section describes rack mounting and connecting to video devices 5 1 Rack Mounting Each product the VM 5YCxl and the VM 10YCxI is housed in a professional 19 inch rack mountable enclosure A VM 5YCxI unit requires one vertical rack space and a VM 10YCx unit requ
20. site video front panel button the Y C input provides five Y C outputs and five composite outputs and the composite converted output 1 Item 7 2 Item 10 5 6 Item 16 7 tem 10 tem 13 KRAMER 11 Operation By pressing both the S Video Y C and the composite video front panel buttons the composite input converts to five Y C outputs and a single converted output and the Y C input converts to five composite outputs and a single converted output This provides criss crossing between the input and output formats providing a bi directional conversion 7 1 2 1 Video Input Coupling Operation The Coup DC buttons control the video input coupling Pressing the Coup DC buttons causes the video signal input as well as output to be fully DC coupled For example the output signal follows the DC offset if it exists and when the buttons are released the video input becomes AC coupled removing the DC offset of the input signal To achieve the best linearity and signal fidelity the signals should be DC coupled If input signals ride on a large DC offset sometimes provided by the video source release the Coup DC buttons to remove the DC offset 7 1 2 2 Loop Terminating Operation The Term 75Q buttons control loop termination to enable a loop connection between two VM 5YCxI units to increase the number of outputs In this case the signal enters the first VM 5YCxl unit when composite video
21. t coupling High Signal Quality Recommendations Achieving high signal quality means e Using high quality equipment for source and acceptor signal handling capability Different brands differ in quality and a low quality source will result in low quality duplicates e Connecting 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 Using good quality sockets and connectors for the sources and acceptors to avoid signal path breaks Aim for Zero Ohm connection resistance and 1 Distribution amplifiers distribute one video and or audio source to several video audio acceptors for simultaneous recording or monitoring of one source 2 When transmitted from a source to an acceptor 3 Poor quality connectors tend to rust which may cause breaks KRAMER ELECTRONICS LTD Composite s Video Audio Distribution Amplifiers ensure that sockets and connectors match the required impedance 75 ohms in video e Ensuring high quality amplifying circuitry for high linearity low distortion and low noise operation e Compensating for extended distances by using line amplifiers between the source and the acceptors e Avoid interference from neighboring electrical appliances that may adversely influence signal quality Install unbalanced audio and video lines even though the cables are shielded away
22. the S Video Y C front panel button the composite video input provides ten composite outputs and ten Y C outputs 1 Item 15 5 Press the STD front panel button for PAL release it for NTSC 6 Item 8 7 Item 10 KRAMER 15 Operation By releasing the S Video Y C front panel button and pressing the composite video front panel button the Y C input provides ten Y C outputs and ten composite outputs and the composite converted output By pressing both the S Video Y C and the composite video front panel buttons the composite input converts to ten Y C outputs and a single converted output and the Y C input converts to ten composite outputs and a single converted output This provides criss crossing between the input and output formats providing a bi directional conversion 7 2 2 1 Video Input Coupling Operation The Coup DC buttons control the video input coupling Pressing the Coup DC buttons causes the video signal input as well as output to be fully DC coupled For example the output signal follows the DC offset if it exists and when the buttons are released the video input becomes AC coupled removing the DC offset of the input signal To achieve the best linearity and signal fidelity the signals should be DC coupled If input signals ride on a large DC offset sometimes provided by the video source release the Coup DC buttons to remove the DC offset 7 2 2 2 Loop Terminati
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