Kramer SG-11, User Manual

Page 1: ...MER ELECTRONICS LTD P N 2900 004002 Kramer Electronics Ltd USER MANUAL Sync Processors Models SG 6 SG 7 SG 9 SG 11 SG 6003B IMPORTANT Before proceeding please read paragraph entitled Unpacking and Contents ...

Page 2: ...OR 13 9 TYPICAL APPLICATIONS 13 9 1 Stabilizing the Video Sync 13 9 2 Black Burst Bar Generator Connections 14 9 3 Restoring Black Burst and Image Stability 14 9 4 Transcoding Various Sync Formats 15 10 TROUBLESHOOTING 17 10 1 Power and Indicators 17 10 2 Video Signal 18 List Of Illustrations Figure Page Figure 1 Horizontal Sync 1 Figure 2 Vertical Sync 2 Figure 3 SG 6N Front Rear Panel Features 7...

Page 3: ...Sync processors All these Sync processors are similar in operation and features SG 6N Sync Processor SG 7 Sync Transcoder SG 9 Sync Processor SG 11 Sync to Green Adder Stripper SG 6003B Black Burst Bar Generator 1 1 A Word on Sync Signals All video signals received by a monitor carry with them synchronization information Whether they are analog signals Composite Y C Component and RGB or digital SD...

Page 4: ...carrying signals and is called RGBS Another popular format uses only three wires Red and Blue as in the above configuration and Green Sync where the sync rides on the green signal In this format the signal levels are not identical as the Green signal has a larger amplitude due to the sync it carries and the sync signals must be tripped off in order to recover the normal green sync level A subset o...

Page 5: ...tors Affecting Quality of Results There are many factors affecting the quality of results when signals are transmitted from a source to an acceptor as described in Table 1 Table 1 Factors Affecting Quality of Results FACTOR EFFECT Connection cables Low quality cables are susceptible to interference they degrade signal quality due to poor matching and cause elevated noise levels They should therefo...

Page 6: ...mposite video 1Vpp 75 ohm on BNC type connector OUTPUTS CHANNEL 1 H and V syncs on BNCs TTL level 1 Vpp when 75ohm loaded 15khz 50 60 Hz OUTPUTS CHANNEL 2 Composite TTL level sync on a BNC 1Vpp when 75ohm loaded OUTPUTS CHANNEL 3 Composite analog sync 1Vpp 75ohm on a BNC and a TTL level composite sync or 1Vpp 75ohm analog when terminated with a 75ohm resistor on an additional BNC Video Bandwidth 2...

Page 7: ...s Video Bandwidth 35MHz 1dB 21MHz 3dB Differential Gain 0 8 Differential Phase 0 5Deg K Factor 0 1 Video S N Ratio Better than 73dB Max Signal output 2Vpp 75ohm 2Vpp 75ohm Phase Error Less than 1 degree Color Bar Saturation Preset to 75 may be ordered at 100 Sync Oscillator Crystal controlled SC oscillator Crystal controlled Sync SC Fully Genlocked Stability Better than 50PPM Dimensions W D H 24 5...

Page 8: ...s may be installed on each adapter VM 1015 1 5 Video Distribution Amplifier can be serially inserted between the sync processor and other machines for signal distribution It is 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 s...

Page 9: ...he SG 6N restores standard sync and blanking information eliminating instability of the video signal The SG 6N operates in PAL and NTSC and a rear panel mounted switch selects operation mode The machine uses 12VDC for power supply and is therefore suitable for fieldwork as well Front Rear panel features of the SG 6N are described in Figure 3 and Table 2 NOTE For operation instructions refer to sec...

Page 10: ...ies power to the unit 2 C sync In BNC connector Composite sync input 3 75ohm Hi Z switch Selects 75ohm or HI z impedance when pressed for looping select Hi z 4 Loop BNC connector Provides looping capability of the composite sync input 5 Vs Out BNC connector Vertical sync output 6 Hs Out BNC connector Horizontal sync output 7 TTL Vs In BNC connector TTL level vertical sync input 8 TTL Hs In BNC con...

Page 11: ...nlocked sync and color generators Front Rear panel features of the SG 9 are described in Figure 5 and Table 4 NOTE For operation instructions refer to section 9 Figure 5 SG 9 Front Rear Panel Features Table 4 SG 9 Front Rear Panel Features No Feature Function 1 Power switch Illuminated switch Supplies power to the unit 2 VIDEO IN BNC connector Composite video input 3 SYNC OUT BNC connector Composi...

Page 12: ...on instructions refer to section 9 Figure 6 SG 11 Front Rear Panel Features Table 5 SG 11 Front Rear Panel Features No Feature Function 1 Power switch Illuminated switch Supplies power to the unit 2 Green in BNC connector Green signal input 3 Sync in BNC connector Sync signal input 4 G S out BNC connector Combined Green Sync output 5 G S in BNC connector Combined Green Sync input 6 Green out BNC c...

Page 13: ...s of the SG 6003B are described in Figure 7 and Table 6 NOTE For operation instructions refer to section 8 Figure 7 SG 6003B Front Rear Panel Features Table 6 SG 6003B Front Rear Panel Features No Feature Function 1 Power switch Illuminated switch Supplies power to the unit 2 3 4 5 6 7 8 9 10 Internal trimmers bottom accessible Not for user adjustments WARNING Adjustments or attempted adjustments ...

Page 14: ...ng standards are PAL used in most European countries NTSC used in the US in Japan and some other countries and SECAM which is used mainly in France and some other countries Each standard uses different color encoding schemes Sync related problems might be encountered during NTSC or PAL operation include 1 Problems with the sync information carried along with the video signal 2 Problems of sync sig...

Page 15: ...tability Both Horizontal and Vertical sync signals are crucial for image stability and proper image centering on the screen When the sync signals are damaged during transmission or recording they may be recovered by a sync restoring device Another problem of sync compatibility is a result of the many standards for transferring the sync information with the signal sync signals may come in analog fo...

Page 16: ...ckable acceptors sources 3 Connect the BAR BNC connector to a video monitor 4 Connect the SC Out BNC connector to a Chroma Keyer Mixer 5 Operate sources acceptors mixer and the SG 6003B Figure 9 Black Burst Bar Generator Connections 9 3 Restoring Black Burst and Image Stability Figure 10 illustrates typical usage of a Kramer Sync processor SG 9 in this case an unstable video signal coming from a v...

Page 17: ...hm position 2 Connect TTL level H V syncs into the inputs of CHANNEL 2 3 Connect ANALOG H V syncs into the inputs of CHANNEL 3 If looping is not needed switch the termination switch to 75ohm position 4 Connect all acceptors to the appropriate outputs All channels can be operated simultaneously Channel 3 has two outputs CS OUT1 is analog only and CS OUT2 is TTL level but can be converted to analog ...

Page 18: ...Kramer Electronics Ltd 16 Figure 11 Transcoding Various Sync Formats ...

Page 19: ...SG 7 SG 9 SG 11 SG 6003B or that the DC power supply is operational SG 6N For the SG 7 SG 9 SG 11 SG 6003B perform the following 1 If still there is no power remove power cord from AC outlet and then using a flat head screwdriver remove the fuse holder located directly below the power connector on your machine Confirm that the fuse is good by looking for the wire connected between the ends of the ...

Page 20: ...ls located on your source input device or output display Noise bars are rolling up or down in the output image or Low Frequency Hum in the output signal Hum bars ground loop are caused by a difference in the ground potential of any two or more devices connected to your signal path This difference is compensated by passing that voltage difference through any available interconnection including your...

Page 21: ...d by Kramer d Any shipment of the product claims must be presented to the carrier e Removal or installation of the product f Any other cause which does not relate to a product defect g Cartons equipment enclosures cables or accessories used in conjunction with the product WHAT WE WILL PAY FOR AND WHAT WE WILL NOT PAY FOR We will pay labor and material expenses for covered items We will not pay for...

Page 22: ...d 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...

Page 23: ...el 972 2 654 4000 Fax 972 2 653 5369 e mail kramerel netvision net il 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 ...