DataVideo DVK-100 video capture board
Contents
1. 22 Luma Key Installation 22 Luma Key Settings 23 Colour ProceSSor 26 Still Freeze Frame 202 22 n seen nnn n en nn senna ennn 26 GPI Control 2 22202 ennn 27 RS 232 Information 28 Specifications 2 2 nn nnn nn nnn nn nnn w nn nnn enna nnn wnn nn nnn nan nn nanan cennannenannacnnnanennnnannenannes 29 Optional ACCESSOL ICS 30 Service and Support 31 Warnings and Precautions 1 2 3 9 10 11 12 a9 5 o D Read all of these warnings and save them for later reference Follow all warnings and instructions marked on this unit Unplug this unit from the wall outlet before cleaning Do not use liquid or aerosol cleaners Use a damp cloth for cleaning Do not use this unit in or near water Do not place this unit on an unstable cart stand or table The unit may fall causing serious d2. 3 2 0 1 43 43 With the window size adjusted correctly we can set the Green Keying Level Density Edge Subject Density and Spill to produce the finished shot Settings Lock Once you have set all the parameters of the DVK 100 set to produce the perfect effect from both of your cameras you can lock the settings Once locked none of the DVK 100 front panel controls will respond To lock the DVK 100 front panel press and hold either the CAM 1 or CAM 2 button for two seconds The button will be illuminated amber instead of the usual red and the front panel will be locked To unlock press and hold the CAM 1 or CAM 2 button again for two seconds until the button returns to being illuminated red All of the settings are non volatile so they are held in memory when the DVK 100 is switched off When the DVK 100 is switched on all the parameters will be as you left them Reset If you want to return all parameters of the CAM 1 or CAM 2 channels to factory default press the respective button CAM 1 or CAM 2 so that it is illuminated red Then press the Reset button After about two seconds all parameters of the channel will be restored to factory default 21 Luma Keying As well as being a Chroma Keyer the DVK 100 can also be used as a Luma Keyer A Luma Keyer can key out luminance values In simple terms you can remove either the white end of the grey scale or the black end of the grey scale If for example you have
3. The DVK 100 only requires video connection so we do not need to worry about the audio connections 13 lf your camera has an S Video Out connect it to the CAM 1 S Video Input on the rear of the DVK 100 As you are using an S Video connection set the CAM 1 Input Select Switch to S Input Camera 1 CAM 1 S Video Input Connector D If your camera does not have an S Video Out connect the Composite Video Out Yellow RCA Phono to the CAM 1 Composite Video Input on the rear of the DVK 100 You may need a BNC to RCA Phono Adaptor to connect the BNC cable to your camera CAM 1 As you are using a Composite Video connection set the CAM 1 Input Select Switch to CV om Input Camera 1 CAM 1 Composite Video Input Connector Background Video Next we will connect the background video source The background video is the footage that you want behind your subject in the finished video A few examples of backgrounds would be a virtual studio or a weather map or perhaps a famous building or landmark You can feed any video signal as the background source most often the footage will be coming from a VCR or DVD Player DVD Players and VCRs generally have one of two types of video output Most DVD Players and VCRs have outputs like these although the age layout may differ slightly There is a mini 4 pin din socket for S Video 0 Y C out and a RCA Phono socket almost always colour coded yellow for Compo
4. datavicies DVK 100 CHROMA KEY User Guide http www datavideo tek com Rev 020306 Contents Warnings and Precautions 4 Warranty nnn nnn nnn nnn nn nnn nnn nn nnn nnn nnn nnn nana nanan anna nanananannenenmnns 9 What is in the package 9 Introduction 2 2 2 nnn nnn aa 6 Backdrops n n nnn nnn nnn nn nnn nn maaan 6 Lighting 6 White Balance FUNnCtiOnS 2 nnn nnn nn nnn nnn nnn n ene n en en en en en en enon ennnananananananananananananamammnmnn 8 Front Panel 8 Rear Panel 10 Installation 2 22 22 2n nana nn nn nn nn nn nn nana nana nn manana nana nannnananananananananas 12 Setting Up nn nn nn nn nn nn nn nn nn nn nnnnnnnnan senna canananananasanasanasananas 13 Connections 2 2 neon
5. exactly what the DVK 100 is outputting Power Switch switches the DVK 100 on off DC In Connect the power supply to the DC In there is a locking collar on the power supply lead which screws onto the socket to ensure a positive connection It is also possible to power the DVK 100 from a suitable 12V Battery Pack but please ensure that the power is regulated Grounding Terminal When connecting this unit to any other component make sure that it is properly grounded by connecting this terminal to an appropriate point When connecting use the socket and be sure to use wire with a cross sectional area of at least 1 0 mm2 10 MODE SELECT EEEEES i i Harasa i iret RS 232 CONTROL Dip Switches Mode Select The DVK 100 can be set to various modes using the Dip Switches Dip Switch 1 OFF NTSC ON PAL output 2 OFF QOIRE ON 7 5IRE input output 3 OFF Fixed ON PAL NTSC auto detection Detected from the CAM 1 CAM 2 signal 4 5 RESERVED 6 OFF VIDEO ON COLOR BAR Cooling Fan Please ensure that there is free air flow available around the fan Blocking the fan may cause the unit to overheat The DVK 100 can be fully controlled via RS232 please refer to the RS 232 protocols on page 28 for further details The DVK 100 can be partially controlled via GPI trigger Using the GPI In socket you can switch from Cam 1 to Cam 2 remotely via a 3 5mm cable with latching switch The GPI Out Socket
6. improves the quality of the keying It is also best to use S Video Y C cables wherever possible An S Video signal offers better colour separation than a Composite video signal and again this greatly improves the quality of the keying Backdrops There are many different possibilities when it comes to setting up a Chroma Key Studio In a permanent set up the use of Green Screen or Blue Screen Paint is ideal Painting a wall is the cheapest way of producing a Green or Blue backdrop and there are several suppliers of specialist backdrop paint which is exactly the right shade and texture for keying purposes For aless permanent arrangement cloth is an excellent option Again there are specialist manufacturers producing Green and Blue Screen cloth which is the right shade and texture to give excellent keying results Cloth is quick to setup and roll away and is far more durable than paper Cloth is also less likely to fade than paper and generally gives far better performance It is important to ensure there are no creases or folds in the backdrop as these may produce areas of uneven lighting Another alternative well worth considering is the range of backdrops from Reflecmedia www relecmedia com Reflecmedia produce unique backdrops which are embedded with tiny glass beads These backdrops are used in conjunction with LED LiteRings that mount on the lens of the camera The unique properties of the backdrop will allow you to get away with having th
7. in a manner other than that specified by Datavideo or has been subjected to abuse or modification will be repaired for time and material charges at the Buyer s expense This warranty does not affect your statutory rights within the Country of purchase For EU Customers only WEEE Marking This symbol on the product indicates that it will not be treated as household waste It must be handed over to the applicable take back scheme for the recycling of electrical and electronic equipment For more detailed information about the recycling of this product please contact your local Datavideo office What is in the Package 1 xX DVK 100 Chroma Key Unit 1 X User Guide this document 1 xX Power Supply 12V 3 0A 1 X Power Cord 2 xX S Video Y C Plug to Plug Cable 1 2m 1 X BNC Plug to Plug Cable 1 2m Introduction The Datavideo DVK 100 is a two camera live chroma keyer It has many advanced features which can give excellent results even from less than perfect Chroma Key setups Although the DVK 100 is equipped with excellent edge controls it is always best to start with the best keyable image your setup is able to produce Please read these advisory notes before using the DVK 100 as the camera backdrop and lighting setups all play an important role in producing the best result We would strongly recommend the use of a three chip 3 CCD camera for chroma effect shooting The extra image clarity that a three chip camera produces greatly
8. on the front panel should light up for a couple of seconds and then the DVK 100 is ready Chroma Keying Switch on your cameras lighting background video player and monitor s Before starting please ensure that the White Balance is correctly set on your cameras The DVK 100 stores separate settings for CAM 1 and CAM 2 so we will start by setting up CAM 1 CAM 2 will follow the same routine Press the CAM 1 button on the front of the DVK 100 once pressed it should be illuminated red We are using a Green Backdrop in this example if you are using a Blue Backdrop please press the Blue button rather than the Green button gO Press the Chroma Key button and the Green button both should be illuminated red lt Use the Adjustment Knob to adjust the Green Keying level You should see the effect on the output monitor Set the Green Keying Level to eliminate as much of the Backdrop as possible In the example below the backdrop has been deliberately set up poorly so that the different adjustments can be seen 3 2 0 41 42 43 Subject on Backdrop Subject and Backdrop after Green Keying Level Adjustment 17 Now press the Density Level button The Chroma Key and Density buttons should both be illuminated red Again use the Adjustment Knob to eliminate as much backdrop as possible Before Density Adjustment After Density Adjustment Creases and areas of shadow can The Backdrop has now become be seen c
9. the SCART Socket and breaks it out to RCA Phono Sockets Some adaptors have an Input Output switch which changes the direction of the connections whereas others are specified as In or Out SCART ADAPTOR Some adaptors have an S Video Socket whereas others do not with In Out Switch If you are buying a SCART adaptor for your recording device make sure that it is an IN adaptor N B If your Recording Device does not have S Video input via the SCART using an S Video port on a SCART Adaptor will only give you a black amp white picture If your recording device has an S Video Input connect using an S Video cable from the DVK 100 S Video Output lf your recording device does not have an S Video Input connect using a BNC cable from one of the DVK 100 Composite Video Outputs If your recording device does not have a BNC Video Input socket you may need to purchase a BNC to RCA Phono adaptor as shown on page 14 16 Using the DVK 100 With all devices and monitors connected correctly we can now look at how to operate the DVK 100 Firstly we will look at Chroma Keying In this example we are using a Green Backdrop the principle is exactly same if you are using a Blue Backdrop just press Blue instead of Green Powering Up Make sure the powercord is plugged into an appropriate mains socket and that the socket is switched on POWER Switch the DVK 100 on using the On Off switch on the rear of the unit All the buttons
10. the three keying options available With the Chroma Key button switched on you can select the keying option to suit your needs The selected option will be illuminated red When the button is illuminated red you can adjust the keying colour to fine tune it for your studio you can see the setting on the LED meter above the adjustment knob although what appears on your monitor is more important If another adjustment has been selected such as density or spill the keying option light will be illuminated 50 to indicate which option you have selected Level or Density adjusts the range of the keyer The button will be illuminated red when active The value is adjusted using the adjustment knob you will see the level on the LED meter above the knob although what appears on your monitor is more important If the background is perfectly lit a low value will be adequate if there are variances in the background a higher value will allow you to remove them The subject density can also be adjusted If you press and hold the button for two seconds the button will flash while the button is flashing you can adjust subject density In Green or Blue modes a low value makes the subject solid the edges will be sharper and any shadow noise will be higher a higher value makes the subject more transparent the edges will be softer and the shadow noise lower In Luma mode the subject density will adjust the white gradient of the subject Rear Panel
11. usual red and the front panel will be locked To unlock press and hold the CAM 1 or CAM 2 button again for two seconds until the button returns to being illuminated red Colour Processor The DVK 100 has a built in colour processor which allows each input channel CAM 1 CAM 2 and Background to be individually adjusted The settings are non volatile so once set they remain the same even when the unit is switched off Please bear in mind that adjustments made to the Foreground channels CAM 1 CAM 2 will affect the Chroma or Luma Keying so it may be necessary to re adjust your keying settings if you have changed the colour processor settings of a channel To select the channel that you want to correct press the Color Processor button If the Red LED is illuminated the adjustments will be applied to the Foreground FG channel CAM 1 or CAM 2 whichever is active if the LED is not lit the adjustments will be applied to the Background BG video image Select the parameter that you want to alter Color Saturation Brightness Contrast COLOR BRIGHT Tint Tint is only necessary for NTSC by pressing the relevant button The button of the selected parameter will be illuminated red N B The colour processor adjustments will not function if you are holding a freeze frame Use the Adjustment Knob to set the level you require You will see the effect on the 24 0n8a8 output monitor Once you are happy with the setting you can choose anot
12. 11 Installation Here is an example chroma key installation diagram for an example luma key installation see page 21 CAMERA 1 CAMERA 2 VCR DVD Background Ve a 2 sA VCR DVD RECORDER CAMERA 1 CAMERA 2 BACKGROUND OUTPUT MONITOR MONITOR MONITOR MONITOR OPTIONAL OPTIONAL OPTIONAL From DVK 100 or from RECORDER The Studio Set Up for this example would be something like this Softer diffused fill in light Softened lighting on backdrop to give an even spread of light and eliminate shadows from the subject EELE Cameras 2 samera Main light on subject 12 In this example both Camera 1 and Camera 2 are connected using S Video Y C cables as this gives the best results Camera 1 is set as a close up of the anchorman and Camera 2 is a wider shot The Background footage is being fed from a DVD Player and again it is connected using S Video You could alternatively use a VCR or even another camera The Output is being recorded to a DVD Recorder via an S Video cable You could alternatively record to a VCR or a Hard Drive Recorder or send the output to a PC for a live webcast The Output Monitor is taking a Composite Video Output from the DVK 100 optionally it could be taking a feed from the DVD Recorder output Three monitors are connected to the Camera 1 Camera 2 and Background Loop Through Outputs these are optional but are very handy when setting up A bank of small monitors such as the Da
13. CAM 1 CAM 1 INPUT CV4 r53 CVs 5 CVs 5 usapu k fF hi i ce 8 RS 232 CONTROL CAM 1 CAM 2 BG MODE SELECT a CAM 2 ALE cv r3 CY m CV rc a ma i 1 23466 W k 4 Ect ee f CAM 2 INPUT S C gh DC IN 12V 1 54 aN The Input Select Switches can be set to CV Composite Video or S S Video Y C Always use S Video if available Set each input according to the video Signal you are connecting CAM 1 and CAM 2 Video Inputs for connecting the two foreground video images There are Composite and S Video Inputs at the top and Composite and S Video Loop Through outputs below The S Video input can be monitored from the Composite Video Loop Through if required The S Video Loop Through is only active if the S Video input is used N B For best results always use an S Video signal if available Background Input BG Input for connecting the video feed from your background source This could be from a VTR or DVD player for example The Composite and S Video Inputs are at the top and the Loop Through Outputs are below The S Video input can be monitored from the Composite Video Loop Through if required The S Video Loop Through is only active if the S Video input is used The Main Video Output shows the final result of the keyer There are two composite outputs and one S Video Y C all three are active simultaneously It is advisable to connect a monitor to one of the outputs so that you can see
14. amage Slots and openings on the cabinet top back and bottom are provided for ventilation To ensure safe and reliable operation of this unit and to protect it from overheating do not block or cover these openings Do not place this unit on a bed sofa rug or similar surface as the ventilation openings on the bottom of the cabinet will be blocked This unit should never be placed near or over a heat register or radiator This unit should not be placed in a built in installation unless proper ventilation is provided This product should only be operated from the type of power source indicated on the marking label of the AC adapter If you are not sure of the type of power available consult your Datavideo dealer or your local power company Do not allow anything to rest on the power cord Do not locate this unit where the power cord will be walked on rolled over or otherwise stressed lf an extension cord must be used with this unit make sure that the total of the ampere ratings on the products plugged into the extension cord do not exceed the extension cord s rating Make sure that the total amperes of all the units that are plugged into a single wall outlet do not exceed 15 amperes Never push objects of any kind into this unit through the cabinet ventilation slots as they may touch dangerous voltage points or short out parts that could result in risk of fire or electric shock Never spill liquid of any kind onto or into this un
15. an image on a white or black background it is possible to use Luma Keying to superimpose the image over a video background Here are two examples that show some of the possibilities Foreground Image with Black Matte Finished Image with Background Video showing through the Black Matte Area a EF mP Eo BF man te zarde i L j t 5 fd e a ene toate O fae ey ee L umin wes Text on a white background Text superimposed over background video by using Luma Keying Luma Key Installation The following installation diagram offers a number of possibilities Please bear in mind that despite their name CAM 1 and CAM 2 do not necessarily have to be connected to Cameras they are merely the Foreground video inputs The CAM 1 input has a computer connected to it This could be connected via a Scan Converter also known as a Down Converter or the DV Output could be connected via a Digital to Analogue Converter such as the Datavideo DAC 100 see page 30 for more details Using the DV Output you could use footage directly from an NLE system or you could run PowerPoint pages via the Datavideo PPT 100 software see page 30 for more details The CAM 2 input has a DVD Player VCR playing pre recorded video with matte effects The Background Video could be live video from a camera or pre recorded footage from a DVD Player or VCR The output has been illustrated running to a DVD Recorder VCR but it could just as ea
16. e odd crease line and the whole system is extremely quick to set up If you are looking for a portable system you will be hard pushed to beat the Reflecmedia systems Lighting Lighting of your chosen backdrop is extremely important the more even the lighting on the backdrop the better the finished result Lighting setups for the foreground will vary according to the effect you re after but as far as chroma keying backdrops are concerned even lighting with no hotspots or shadow areas is the aim This is easiest to achieve with a set up something like this Softer diffused fill in light Softened lighting on backdrop to give an even spread of light and eliminate shadows from the subject Camera s Main light on subject In the diagram you will see we recommend a minimum of 1m between subject and backdrop it is always easier to get even lighting if this distance is greater so please think of 1m as the absolute minimum The foreground lighting on the subject will obviously vary according to the effect that you are looking for and as long as the backdrop is evenly lit this should not be a problem 6 Lighting for Reflecmedia is a little different The backdrop requires no lighting as the LiteRing which is mounted on the camera provides all the lighting for the backdrop A Reflecmedia setup would be more like this Softer diffused fill in light Backlighting on subject not on backdrop Main light on subject More i
17. ground as possible 3 a 0 aa DVK 100 ae E nama imm mm a ar O a ipm a a I l Lumina L Tre i BE 9 5 Graphics on White Background Graphics overlayed after Luma Keying Level Adjustment You can also apply Luma Key Mode 1 to fine tune the overlay This will start to key out the darker areas of the overlay Press and hold in the Luma button for two seconds until it stops flashing and is illuminated constantly red Use the Adjustment Knob to adjust the Luma Keying level You should see the effect on the output monitor The darker areas of the overlay will start to disappear This is really a fine tune adjustment if you go too far everything will appear Now press the Density Level button The Chroma Key and Density buttons should both be illuminated red When using Luma Key the Density button has two modes and you will see if you press and hold the Density button for two seconds it flashes If the button is constantly red it is in Mode 1 which adjusts the density of dark colours If it is flashing it is in Mode 2 which adjusts the density of light colours You can use both Modes 1 and 2 to fine tune the overlay effect Use the Adjustment Knob to fine tune the overlay effect You will see that in Mode 1 the darker areas gradually become more transparent and in Mode 2 the lighter areas gradually become more transparent If you need to reset any of the parameters to factory default simply activa
18. her sr parameter and set it in the same way f F If you need to reset any of the parameters to factory default simply push the adjustment knob in after a second the parameter will reset to factory default Still Freeze Frame The DVK 100 has a still image grab feature that enables you to grab a freeze frame image on both the Foreground CAM 1 or CAM 2 and Background video channels To grab a still image first press the Color Processor button If the Red LED is illuminated the Foreground CAM 1 or CAM 2 whichever is active will become a freeze frame if the LED is not lit the Background Video channel will become a freeze frame 26 To grab the freeze frame image press the Still button The Still button will be illuminated red it will remain red while the freeze frame is being held You will see the Foreground or Background image freeze on the output monitor N B The colour processor adjustments will not function if you are holding a freeze frame To release the freeze frame and return to running video press the Still button again the LED should go out GPI Control The DVK 100 has a GPI In and Out port The GPI In will allow remote switching between the CAM 1 and CAM 2 Inputs The GPI In Socket is 3 5mm Wire a cable as follows 3 5 mm Stereo Jack Plug Wire a latching switch to the Inner and Outer contacts If the switch is closed the DVK 100 will switch to CAM 1 if the switch is open it will sw
19. int2 0 100 def 0 G int2 0 100 def 70 B int2 0 100 def 70 For foreground use FG For background use BG Each input has selectable Composite or Y C signal Y C In Composite In Output Simultaneous output 1Y C Out 2 Composite Out Output modes FG or FG with BG Loop through out Video Processing Component Frame Synchronization Frequency Response S input DG DP S N Ratio General Power Input RS232 amp GPI interface Ambient Temperature Ambient Humidity DIP switch description 1 OFF NTSC ON PAL output 2 OFF 0O IRE ON 7 5IRE input output 4 pin 75 ohm DIN Connector 75 ohm RCA connector level 1 0Vp p 4 pin 75 ohm DIN Connector 75 ohm RCA Connector level 1 0Vp p Choose Chroma key ON or OFF Composite Out from Y C or Composite In Y C Out from Y C In only 8 bit 4 2 2 Y 13 5MHz Two Channel Full Frame TBC 5 0 MHz 3dB 3 3 gt 50 dB DC 12V 1 5A AC adapter included for remote control 32 122 F 0 50 C Less than 90 3 OFF Fixed ON PAL NTSC auto detection According to FG 4 5 RESERVED 6 OFF VIDEO ON COLOR BAR Accessories There are a number of additional Datavideo products that are ideal for use with the DVK 100 Full details of these products are available from your local Datavideo office or from the Datavideo website www datavideo tek com The Datavideo DAC 100 is an ideal accessory for the DVK 100 it will allow y
20. ircumstances you may find it is almost impossible to remove the edge from one side of your subject or the other Or you might find that parts of your subject are too similar to the backdrop colour and your subject is also becoming partly transparent for example if you are using a blue backdrop and the subject is wearing a pale blue shirt The DVK 100 has another fine tune adjustment called Subject or Foreground Density This adjustment will make your subject more or less opaque transparent as a result the edges will become more or less defined Press and hold the Density Level button for two seconds until the button flashes red Level if the red LED is on constantly i e not flashing press and hold the button until it is flashing G 3 2 1 0 H Turn the Adjustment Knob you will see the subject getting more or less opaque as you rotate the knob Fine tune the setting until you have the desired effect Spill Adjustment The final setting in this section is the Spill Adjustment Often due to the green blue backdrop the subject can pick up an unwanted colour cast the Spill Adjustment will remove it Press the Spill button it will illuminate red 19 ee 0 AHA Turn the Adjustment Knob on the output monitor you will see the colour hue of the subject changing Fine tune the setting until you have the desired effect All of the settings we have looked at so far work together to achieve the best possible end resul
21. it Except as specifically explained elsewhere in this manual do not attempt to service this product yourself Opening or removing covers that are marked Do Not Remove may expose you to dangerous voltage points or other risks and will void your warranty Refer all service issues to qualified service personnel Unplug this product from the wall outlet and refer to qualified service personnel under the following conditions When the power cord is damaged or frayed When liquid has spilled into the unit When the product has been exposed to rain or water When the product does not operate normally under normal operating conditions Adjust only those controls that are covered by the operating instructions in this manual improper adjustment of other controls may result in damage to the unit and may often require extensive work by a qualified technician to restore the unit to normal operation When the product has been dropped or the cabinet has been damaged When the product exhibits a distinct change in performance indicating a need for service Warranty Datavideo warrants that the equipment it manufactures shall be free from defects in material and workmanship for a period of 12 months from the date of product purchased If equipment fails due to such defects Datavideo will at its option repair or provide a replacement for the defective part or product Equipment that fails after the warranty period has been operated or installed
22. it 32 32 support 2 Cameras DVKCMD_GetStatus 62 CAM1_ Status b0 1 None NTSC PAL b2 3 CV S CAM2_ Status b0 1 None NTSC PAL b2 3 CV S BG_ Status b0 1 None NTSC PAL b2 3 CV S IRE 30 OIRE 31 7 5IRE ColorBar 30 off 31 on DVKCMD_Get SetOutput 64 65 FG BG Comp 30 31 32 DVKCMD_Get SetCameraUnit 66 67 CAM1 CAM2 30 31 DVKCMD_Get SetColorProc 68 69 Cur CAM1 2 FG BG 30 31 Bright int2 128 127 def 0 30 30 Contrast uint2 0 255 def 128 38 30 Color uint2 0 255 def 128 Tint int2 127 128 def 0 90 90deg DVKCMD_Get SetFreeze 6A 6B FGFreeze 30 off 31 on BGFreeze 30 off 31 on DVKCMD_Get SetKeyMode 70 71 Cur CAM1 2 Green Blue Luma 30 32 DVKCMD_Get SetCKBackColor 72 73 Cur CAM1 2 HueOffset int2 60 60 def 0 DVKCMD_Get SetCKParam 74 75 Cur CAM1 2 Level int2 0 100 def 40 Density int2 0 100 def 30 SpilllSuppress int2 32 64 def 16 DVKCMD_Get SetLKParam 7A 7B_ Cur CAM1 2 DarkLevel int2 0 100 def 10 DarkGrad int2 0 100 def 10 BrightLevel int2 0 100 def 0 BrightGrad int2 0 100 def 0 DVKCMD_Get SetEdgeShrink 7C 7D Cur CAM1 2 Left O 6 def 0 Right 0 6 def 0 DVKCMD_Get SetWindowPosition 80 81 Cur CAM1 2 Xleft int3 0 720 def 0 30 30 30 Xright int3 0 720 def 720 32 3D 30 Ytop int3 0 576 def 0 Ybottom int3 0 576 def 486 NTSC or 576 PAL 28 DVKCMD_Get SetWindowBorder 82 83 DVKCMD_Get SetBlankColor 86 87 Specification Input 3 Inputs CAM 1 CAM 2 INPUT BG INPUT BorderOn Off 30 off 31 on R
23. itch to CAM 2 The GPI Out Socket will replicate the GPI In socket like a loop through You could use this to control a second device simultaneously or maybe to remotely monitor which channel is active CAM 1 or CAM 2 The GPI Out will also switch when the CAM 1 or CAM 2 buttons are pressed CAM 1 is open circuit CAM 2 is closed circuit It would be possible to use the GPI Out to start stop a device each time you switch from CAM 1 to CAM 2 or possibly switch devices 2 RS 232 Protocols Package Format 00 FE CH_ID 4X CMD 6X DF Param0O ParamN 3X CRCH 5X CRCL 5X FF CH_ID PC 40 47 40 Current Camera 41 CAM1 42 CAM2 Panel 48 4F 48 Current Camera 49 CAM1 4A CAM2 Param Data Types hex 1 byte 3X means X 0 Fh int2 2 bytes 3X 3Y means XYh signed uint2 2 bytes 3X 3Y means XYh unsigned int3 3 bytes 3X 3Y 3Z means XYZh hex4 4 hex for version N NNN hex6 6 hex for date YYMMDD str2N N 2 bytes MSB first ASCII N CRCHI L 8 bit CRC for error protection generated by lookup table from CH_ID CMD Param0 ParamN Command amp Parameter Lists DVKCMD used by Get command use CH_ID Param0 ParamN Data Type DVKCMD_GetVersion 60 FirmwareVersion hex4 31 32 33 34 v1 234 FirmwareDate hex6 30 35 31 32 32 35 2005 12 25 PanelVersion hex4 3132 33 34 v1 234 ModelName str2N 34 34 35 36 34 3B 44 56 4B DVK DVKCMD_GetFeature 61 HardwareVer hex4 31 32 33 34 v1 234 MaxCameraUn
24. just the edge detail of the subject you will see the value on the LED meter above the adjustment knob Shoe The Color Processor button activates the colour processor adjustments see below for Foreground Cam 1 or Cam 2 or Background The button will be illuminated red when foreground is selected The Color Processor Adjustments allow colour saturation brightness contrast and tint NTSC only to be adjusted for both the foreground Cam 1 Cam 2 and background images The selected parameter which will be illuminated red is adjusted using the Adjustment Knob Cam 1 and Cam 2 store separate values so different colour processor settings can be used on each The Still button enables you to grab a freeze frame image from either the background or foreground inputs This can be useful when setting up N B The colour processor adjustments will not function if you are holding a freeze frame The Reset button resets a foreground channel Cam 1 or Cam 2 to factory default This will reset all characteristics of a channel COLOR PROC GREEN BLUE LUMA LEVEL WINDOW SHRINK DENSITY SPILL The Chroma Key button switches the keying effect on or off In the off position the foreground channel Cam 1 or Cam 2 will pass directly to the output monitor complete with backdrop When switched on the button will be illuminated red together with the chosen keying option Green Blue or Luma see below Green Blue and Luma are
25. n depth details of Reflecmedia lighting setups are available from the Reflecmedia website www reflecmedia com White Balance White Balance is extremely important when setting up a chroma key studio The camera must be correctly white balanced to prevent the subject picking up any colour cast from the background Of course the white balance settings will vary according to the type of lighting you are using but neutral whites are the all important target To set the white balance you will need a white reference card or a sheet of white paper Focus the camera on the reference card and light it evenly using the main light Set the cameras iris aperture so that the card is correctly exposed Use the Auto White Balance function or set the white balance manually so that the card appears white If in any doubt about how to white balance your camera please refer to your camera instruction manual for details Functions The DVK 100 has three inputs two camera inputs and one background input Each of the inputs can be set to Y C S Video or Composite All the outputs one Y C S Video and two Composite are simultaneously live We recommend that Y C is used for the camera inputs wherever possible Front Panel CHROMA KEY DVK 100 WINDOW 3 2 1 O 4 42 43 UNITY CAM 1 and CAM 2 are used to select the input that you want to use or setup The active input will be illuminated in red Each camera input has individual settings The se
26. nn nn nn nn nn nn nn nn nn nana nn nana nn nnnnnanncanacanacananananas 13 POWETr 13 Cameras ana nanan nn nn aaan 13 Background Video 14 Monitors 2 7 7 2 15 OUtDUt maaa 16 Using the DVK 100 17 Powering Up 17 Chroma Keying 17 Edge Adjustment Shrink 18 Subject Density n nnn n nnn nnn nnn nnn nnn nnnnnnn nn nn nana naman nena 19 Spill Adjustment 19 Window Adjustment 20 Settings LOCK nnn n nnn nnn nnn nnn enna nnn semen nn nn nana nnnannenenennna mamma 21 Reset 21 Luma Keying
27. ompletely transparent Edge Adjustment Shrink Once Density has been adjusted we should be getting a pretty good Chroma Key Effect It is often worth going back to the Green Keying Level Adjustment to fine tune after the density has been adjusted If your backdrop and subject are well lit you may not need to fine tune the result however there will be occasions when the subject still has a dark edge even when you have set the Green Keying and Density Levels correctly This is why the DVK 100 has Left and Right Edge Shrink Functions If we look closely at the subject in our example we can see there is an edge running along the left of the image this is due to the uneven lighting set up that we have used We can see in these images that a strong dark edge is running along the left edge of the subject To correct this we will use the Left Shrink Adjustment If there is an edge on the right we would use the Right Shrink Adjustment the procedure is the same for either side Press and hold the Shrink Left button for two seconds the button should flash red if the red LED is on constantly i e not flashing press and hold the button until it is flashing 18 gt 2 0 AHA Turn the Adjustment Knob you will see the edge getting larger or smaller as you rotate the knob Fine tune the setting until the edge is correct 2 1 0 I a Before Left Shrink Adjustment After Left Shrink Adjustment Subject Density In some c
28. ou to convert the video output to DV The DV stream can then be recorded to a HDD Recorder such as the DN 100 or an NLE editing system streamed to a PC for a live webcast The DN 100 can also be used on an input channel enabling you to convert a DV stream to S Video for keying The Datavideo TLM 404 is a bank of 4 x 4 TFT monitors If space is at a premium setting up 4 full size monitors isn t a practical option whereas with the TLM 404 you can view CAM 1 CAM 2 Background Video and Output The Datavideo RMC 140 is second space saving alternative Ls for monitoring the channels and output from your DVK 100 hs e ET INT ie You can display all four monitor outputs on one monitor in a Ones hegi quad display If you want to feed several live monitors from the DVK 100 the Datavideo VP 299 is an extremly economic option It will allow up to 4 monitors to be connected S Video and or Composite Video The Datavideo PPT 100 software package enables you to output a DV video stream from a laptop PC You can run PowerPoint Presentations out through the laptops DV IEEE 1394 port via a DAC 100 and overlay the slides using Luma Key 30 Service and Support It is our goal to make your products ownership a satisfying experience Our supporting staff is available to assist you in setting up and operating your system Please refer to our web site www datavideo tek com for answers to common questions support requests or contact yo
29. posite Video Input on the rear of the DVK 100 You may need a BNC to RCA Phono Adaptor to connect the BNC cable to your player Input eae As you are using a Composite Video connection set the BG Input Select Switch to CV Background BG Composite Video Input Connector Monitors As shown in the example on page 11 the DVK 100 could have up to four monitors connected It is possible to use just one monitor connected to one of the output sockets but many users prefer to monitor the Cameras and the Background Video in addition to the main monitor output Monitors can be connected using either S Video or Composite Video cables Many monitors do not feature S Video and therefore must be connected using Composite Video cables this is not too much of a limitation as the monitor does not affect the final result The DVK 100 allows you to use Composite Video monitors even if you are using S Video inputs from your cameras and player To connect the master monitor to the DVK 100 use one of the Composite Video Outputs If your monitor does not have a BNC Video Input socket you may need to purchase a BNC to RCA Phono adaptor as shown above Use either one of the Composite Video outputs to feed your master monitor lf you want to add monitors to your Camera and Background Inputs you can connect monitors to the Composite Video Loop Through Outputs of CAM 1 CAM 2 and BG os The Composite Video Loop Through Outputs allow each inp
30. sily be going to a distribution amplifier supplying a number of live screens or a DAC 100 supplying a stream to a PC for a live webcast The connections for these products are the same as those used in our Chroma Keying Installation see page 12 22 Example Luma Key Installation Diagram COMPUTER _ VCR DVD CAMERA Running PowerPoint VCR DVD PLAYER CAM 1 CAM 2 BACKGROUND OUTPUT MONITOR MONITOR MONITOR MONITOR OPTIONAL OPTIONAL OPTIONAL From DVK 100 or from RECORDER The Luma Key settings for CAM 1 and CAM 2 will be at opposite ends of the scale on CAM 1 we want to remove white and on CAM 2 we want to remove black Let s start with CAM 1 Press the CAM 1 button on the front of the DVK 100 once pressed it should be illuminated red Press the Chroma Key button and the Luma button both should be illuminated red e Luma Key has two modes and you will see if you press and hold the Luma button for i two seconds it flashes If the button is constantly red it is in Mode 1 which is for removing dark colours If it is flashing it is in Mode 2 which is for removing light e colours As CAM 1 has a white background that we want to remove we need Luma Mode 2 so press and hold the Luma button until it is flashing 23 3 2 T 0 aA Use the Adjustment Knob to adjust the Luma Keying level You should see the effect on the output monitor Set the Luma Keying Level to eliminate as much of the white back
31. site Video Out In addition there will be two RCA Te ar ha Ms Phono sockets for left and right audio almost always colour coded white and red Some DVD Players and VCRs mostly in Europe use a SCART connector instead of the above A SCART connector carries many 0000000079 different types of signal in one multi pin socket The easiest thing to FEGBDORRRD do if you have a SCART connector is to purchase a SCART to RCA y Phono Adaptor as illustrated below SCART AMV In amp Owi A SCART Adaptor simply plugs into the SCART Socket and SCART ADAPTOR breaks it out to RCA Phono Sockets Some adaptors have an with In Out Switch Input Output switch which changes the direction of the connections whereas others are specified as In or Out Some adaptors have an S Video Socket whereas others do not If you are buying a SCART adaptor for your playback device make sure that it is an OUT adaptor N B If your VCR or DVD Player does not have S Video output via the SCART using an S Video port on a SCART Adaptor will only S Video Socket give you a black amp white picture SCART Adaptor with 14 If your player has an S Video Out connect it to the BG S Video Input on the rear of the DVK 100 gee As you are using an S Video connection set the BG Input Select Switch to S Input Background BG S Video Input Connector If your player does not have an S Video Out connect the Composite Video Out Yellow RCA Phono to the BG Com
32. t It is often worth going back to the various settings Green Keying Level Density Edge Subject Density Spill and fine tuning as adjusting density for example may have an affect on the best Green Keying Level Any one of the adjustments can be changed in any order The procedure above is the sequence that we find quickest in achieving the best results Window Adjustment There will be occasions when your backdrop isn t big enough to fill the whole shot This is most frequently a problem if you want your subject to appear small in the final shot In this example you can see there is not enough backdrop for the effect that we are after so we have to use the Window Adjustment to remove the garbage Our Wide Shot extends beyond the backdrop so we need to adjust the window size Press the Right Arrow button so that it is illuminated red Turn the Adjustment Knob On the output monitor you will see the background gradually coming in from the right to cover the un keyable area of the camera image As the adjustment is being made you will notice the background image is in black amp white this is to help you see the edge of the window Press the Left Arrow button so that it is illuminated red Turn the Adjustment Knob On the output monitor you will see the background gradually coming in from the left to cover the un keyable area of the camera image We can now adjust the Top and Bottom using the same routine 20 ee 0
33. tavideo TLM 404 may be sufficient for this purpose see optional accessories on page 30 There are no audio connections in the diagram as the DVK 100 only needs to process the video signal The audio would typically be fed via an audio mixer directly to the audio inputs of the DVD Recorder VCR Setting Up The DVK 100 is quite easy to set up and over the next few pages we will look at all aspects configuring the DVK 100 for your studio We will start with connections Connections Power The DVK 100 is supplied with a 12V 3 0A Power Supply and a power cord to connect it to a mains supply The Power Supply has a 2 1mm in line plug with a locking collar Push the plug into the DC In Socket of the DVK 100 and screw the locking collar into place Connect the power cord to the power supply and then to an appropriate mains power outlet Cameras The two Camera Inputs are the same so we will look at Camera 1 only Camera 2 will follow the same principal It is best wherever possible to use an S Video Y C cable for connecting the camera Good results can be achieved using Composite Video but S Video connections will always give optimum results Most cameras have video outputs that look something like this SONS S Video Y C Output via 4 Pin Mini Din Plug eraa Composite Video Output via RCA Phono Plug Generally colour coded yellow Left and Right Audio Out Generally colour coded white for left and red for right
34. te the function you want to reset by pressing the appropriate function button and then push the adjustment knob in after a second the parameter will reset to factory default 24 Now we will set up the CAM 2 overlay which has a black area we want to key out Press the CAM 1 button on the front of the DVK 100 once pressed it should be illuminated red Press the Chroma Key button and the Luma button both should be illuminated red Luma Key has two modes and you will see if you press and hold the Luma button for two seconds it flashes If the button is constantly red it is in Mode 1 which is for removing dark colours If it is flashing it is in Mode 2 which is for removing light colours As CAM 2 has a black background that we want to remove we need Luma Mode 1 so press the Luma button so that it is illuminated constantly red Use the Adjustment Knob to adjust the Luma Keying level You should see the effect on the output monitor Set the Luma Keying Level to eliminate as much of the black background as possible 3 A 0 4 42 Overlay with Black Matte Area Overlay after Luma Keying Level Adjustment You can also apply Luma Key Mode 2 to fine tune the overlay This will start to key out the lighter areas of the overlay oo Press and hold in the Luma button for two seconds until it starts flashing red Use the Adjustment Knob to adjust the Luma Keying level You should see the effect on the ou
35. tput monitor The lighter areas of the overlay will start to disappear This is really a fine tune adjustment if you go too far everything will appear Now press the Density Level button The Chroma Key and Density buttons should both be illuminated red When using Luma Key the Density button has two modes and you will see if you press and hold the Density button for two seconds it flashes If the button is constantly red it is in Mode 1 which adjusts the density of dark colours If it is flashing it is in Mode 2 which ga adjusts the density of light colours You can use both Modes 1 and 2 to fine tune the overlay effect 25 332 400 4 Use the Adjustment Knob to fine tune the overlay effect You will see that in Mode 1 the darker areas gradually become more transparent and in Mode 2 the lighter areas gradually become more transparent 32 2 1 0 44 If you need to reset any of the parameters to factory default simply activate the function you want to reset by pressing the appropriate function button and then push the adjustment knob in after a second the parameter will reset to factory default Once you have set all the parameters of the DVK 100 set to produce the perfect effect you can lock the settings Once locked none of the DVK 100 front panel controls will respond To lock the DVK 100 front panel press and hold either the CAM 1 or CAM 2 button for two seconds The button will be illuminated amber instead of the
36. ttings are non volatile they remain stored even when the DVK 100 is switched off The settings for both cameras can be locked by pressing and holding either camera button for two seconds When locked the active camera button will turn amber instead of red The Adjustment Knob is used to alter whichever function is active The unity position indicated in green is the neutral setting The adjustment scale is marked in nominal settings from 3 to 3 The adjustment can also be used to reset any value to factory default activate the function you want to reset by pressing the appropriate function button and then push the adjustment knob in you will see the LED meter return to unity 3 2 1 O 41 42 43 G UNITY The Arrow Buttons adjust the window size and the left and right edge The spill button adjusts the colour balance of the keyed image it enables you to correct any colour imbalance that remains on the foreground image once the backdrop has been keyed out The window size can be set to remove any unwanted garbage from the foreground image Often your backdrop does not fill the whole screen particularly if you want your subject to appear small in the finished image You can use the Up Down Left Right arrows to make the keying window smaller so that only your backdrop is being keyed To adjust left or right edge press and hold the Left or Right Arrow for two seconds the button will flash While the button is flashing you can ad
37. ur local office below Datavideo Corporation USA 12300 U East Washington Blvd Whittier CA 90606 USA Tel 1 562 696 2324 contactus datavideo us www datavideo us Datavideo Technologies Europe BV Californiedreef 26 3565 BL Utrecht The Netherlands Tel 31 30 261 9656 info datavideo nl www datavideo info Datavideo UK Limited Unit 2 Waterside Business Park Hadfield Glossop Derbyshire SK13 1BE UK Tel 44 1457 851000 sales datavideo co uk www datavideo info Datavideo Technologies Co Ltd 10F 176 Jian Yi Rd Chung Ho City Taipei Hsien Taiwan 235 Tel 886 2 8227 2888 service datavideo com tw www datavideo com tw Datavideo Technologies China Co 2F D 2 Lane 777 West Guangzhong Rd Zhabei District Shanghai China Tel 86 21 5603 6599 service datavideo cn www datavideo cn Datavideo Technologies S PTE Ltd No 100 Lorong 23 Geylang 01 03 D Centennial Bldg Singapore 388398 Tel 65 6749 6866 info datavideo sg www datavideo info Datavideo Hong Kong Limited G F 26 Cross Lane Wanchai HK Tel 852 2833 1981 info datavideohk com www datavideohk com All the trademarks are the properties of their respective owners Datavideo Technologies Co Ltd All rights reserved 2006 P N 082060386E1 31
38. ut channel to be monitored separately A small bank of LCD lt monitors such as the Datavideo TLM 404 is ideal as a compact monitoring solution See page 30 for details 15 Output The final connection is the output to a deck or recorder This could be a VCR DVD Recorder HDD recorder or perhaps a DV Converter to stream to a PC for a live webcast a distribution amplifier to several live monitors and a recorder or simply a live monitor The connections are much the same whatever you intend to connect to As there are a number of different possibilities we will describe the item you intend to connect as your recording device Most DVD Recorder VCRs and DV Converters have inputs like these although the layout may differ slightly There is a mini 4 pin din socket for S Video Y C In and a RCA Phono socket almost always colour coded yellow for Composite Video In In addition there Composite videotn Lent amp Right Audio In will be two RCA Phono sockets for left and right audio almost sat ia always colour coded white and red Some DVD Recorders and VCRs mostly in Europe use a SCART connector instead of the above A SCART connector carries many 0000000079 different types of signal in one multi pin socket The easiest thing to FED OEOE do if you have a SCART connector is to purchase a SCART toRCA 3 i Phono Adaptor as illustrated below SCART AN In amp Oui A SCART Adaptor simply plugs into
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