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3D FPV camera The BlackBird User guide 3D FPV camera The BlackBird User guide 1 Description and operation 1.1 Function of the product Stereo video camera "the BlackBird" (further in the text "camera" or "product") allows to get threedimensional image. By using two identical parts, the camera generates a signal in interlaced 3d format. Video image in this format can be transmited through analog video transmitter, capable of recording video with help of capture devices, to display through 3D video glasses, through 3D-TV set or 3Dprojector (hereinafter «the video receiver»). Camera is designed for installation on the radio-controlled models and toys. You can also use it in the surveillance system. 1.2 Technical characteristics Technical characteristics of a video camera, taking into account use of standard lenses 3.6мм, are presented in table 1. Technical characteristics Table 1 Video OmniVision OV7950 1/4'' CMOS 656 x 492 3.0V/Lux-sec @ 5600K 48 dB Mechanical and operational characteristics The weight of the camera 21 g. The weight of the camera with cable 23 g. Ver 1.3.2 - 34 mm, 32 mm, 25 mm Overall dimensions L,W,H Ver 1.3.3 - 34 mm, 34 mm, 25 mm Interface connector On the board MW-3M, on the cable MU-3F Operating temperature From -20 till +70 ºC Optics Focal length of lens 3,6 mm Viewing angle 54 degrees Thread type M12 х 1 The IR Filter on the lens 680 um (daylight lens for color camera) Focusing Manual Electrical characteristics Supply voltage From 5 V till 12 V (recommended voltage is 5 V) Consumed current, no more 130 mA Power consumption at 5V 0,65 Watt Power consumption at 12V 1.56 Watt Video output Video format NTSC 525/60 Video output 75 Ohm, 1V peak to peak Horizontal resolution 470 TVL Stereo Format 3D Interlaced 3D (Field Sequential 3d) Frequency of shots for each eye 30 Hz Type of sensors Size and matrix type Array size Sensitivity Ratio signal/noise Version 1.3.3 «the BlackBird» (21.03.2014) http://www.fpv3dcam.ru 2 Stereo base in assembled form Stereo base with extension cord Adjustment of convergence 17,5 mm From 60 mm to 2000 mm (it is depends from type of cable) Manual 1.3 Structure of the complete set of delivery The video camera is delivered in two options, complete and economic. The structure of sets of delivery is specified in table 2. Structure of the complete set of delivery № 1 Name Board of camera (main) Board of camera (additional) Lens М12 3.6 mm or 2.6 mm Lens cap Interface cable Cardboard packaging User guide Table 2 Quantity 1 1 2 2 1 1 1 1.4 Product structure The product consists of the printed-circuit board with the electronic components and lenses which are installed on it. The appearance of video camera and interface cable is presented in figure 1. 1 2 3 4 5 6 7 a) b) 9 c) 8 Figure 1. The appearance of the camera «BlackBird» The board of the camera consists of two parts, the main 6 and additional 4. On the main part there are the interface 9 and interboard connectors 5. On the additional part there are only interboard connectors 5. The board of the camera consists of two parts, the main 6 and additional 4. On the main part there are the interface 9 and interboard connectors 5. On the additional part there are only interboard connectors 5. On the board video sensors are installed. They are closed with the lens holders 2. In the holders there are lenses 1 which are installed and fixed with screws 8. Lens holders are fixed on the board with screws 7. Version 1.3.3 «the BlackBird» (21.03.2014) http://www.fpv3dcam.ru 3 Indication of giving of supply is made by the light-emitting diode 3 located on the face of the main board 6. Interface connector 9 provides voltage to power the camera and get video images. Numbering of contacts of the socket is made from right to left (see figure 1b). First contact plus 12V, second pin GND (it is common for power and video), the third contact - video output. Connection to the power supply and the receiver of video signal is made by the interface cable shown in figure 1c. Default cable length is 200mm. Interface cable supplied, does not have video and power connectors. The cable is purchased separately. 1.5 Device and operation The basis of video camera is made by two sensors and their optical system. Signal from a sensor switched alternately, thus, signal is generated in the format interlaced 3D. Then the signal is amplified and transmitted to the interface connector. 1.6 Measurement tools, instruments and materials The main tool that you require to use for the camera is Phillips screwdriver. It is used for setting the vertical offset and focusing lenses. It Is used for loosening the screws securing the lenses and their holders. Additional materials: The interface cable with previously installed connectors. The cable has three connectors. Interface MU-3F to connect to the camera, slot DJK-A for power supply and RCA Jack for connection to a display, or video transmitter. Cable length is 200mm. Pencil lens-cleaning. It is used for cleaning the lens from dirt (see figure 2B). The flat side of the pencil is used to clean the lens from dirt. The brush is used to clean the lens from dust. Cable for connection cards camera together. Cable length is 200 mm. You can order cable of any length, but not more than 2m. As a means of measurement resolution it is used a special table. For example, EIA1956 or another for resolution of at least 600 TVL (see figure 2a). a) b) Figure 2. Accessories 2 Intended use 2.1 Operating limits Operating temperature of the camera is in the range from -20 to +70 degrees Celsius. If you want to use at other temperatures, it is needed to organize additional cooling or heating to ensure an acceptable temperature. Version 1.3.3 «the BlackBird» (21.03.2014) http://www.fpv3dcam.ru 4 The camera is made in case less form and is not protected from moisture. Protection class sensors IP50, class of protection, other components IP00. For use in humid environment it`s needed to protect from moisture. 2.2 Preparing to use Before work it is necessary to connect the camera to the video signal receiver and then to the power supply. Connecting of the video output to the receiver signal is realized directly. Output of the camera is connected to the composite video input of the receiver signal. Often it is the yellow RCA Jack. Central contact RCA connector connects to the third contact interface connector (yellow wire), and side contact RCA connector to the second contact interface connector (black wire). Do not connect the video output to the audio input Jack. Usually it is Jack to RCA of red or white color. It doesn`t cause damage, but the image on the receiver of the signal will not be. For supply of the camera it is acceptable to use external power supply DC voltage from 5 to 12V. As the power supply, you can use: 1. From 4 to 7 batteries (1.5 V), which connected in series 2. From 5 to 9 accumulators NiMH, NiCd (1.2V), which connected in series; 3. From 2 to 3 accumulators LiIon, LiPo (3.6V), which connected in series; 4. 1 lead acid accumulator with voltage from 6V to 12 V; 5. The stabilized power supply of direct current with voltage from 5 to 12 V and with current more than 150 mA. Positive power source contact connects to the red wire interface cable (first contact of the connector), negative connected to the black wire interface cable (second pin connector). Note! Observe the polarity and accuracy of connection to the power source. Connection of the supply voltage to the output or wrong polarity will lead to damage the camera. Video - + positive - negative Figure 3. Connection diagram of the camera Version 1.3.3 «the BlackBird» (21.03.2014) http://www.fpv3dcam.ru 5 2.3 Product use Camera that is configured and correctly connected starts immediately after power-up. LED (see figure 1a, item 3) indicates that power is supplied. Before long use of the camera, you have to verify the absence of vertical offsets. For this purpose it is enough to disable the 3D mode on the video receiver and visually to appraise the offset of the left and right image relative to each other. If there is noticeable offsets to configure according to 3.2. 3 Product maintenance 3.1 Setting focus lenses To adjust the focus you need to do the following actions:: Loosen the fastening screw of one lens (see figure 1a, item 8); Rotate the lens until the image is clear for the desired distance; Fix the lens with screw; Repeat for the second lens. 3.2 Adjusting the vertical offset images Vertical offset of the image is poorly perceived by human. If there is offset, it`s possible rapid eye fatigue and incorrect perception of the volume. To perform the setting you need to prepare the camera for use (see p.2.2), disable 3D mode on the receiver of the signal and visually appraise the offset of the left and right image relative to each other. Figure 4a shows the image from the adjusted camera, without vertical offset. There is only horizontal offset caused with the mixing of the optical axis of the lens (convergence). Figure 4b shows the image which is not properly configured camera. There is only the vertical offset. For correction of offset loosen the screws of the holders of the lens (see figure 1b, item 7), move them to reduce offset images and fix it again. After fixing to appraise the offset of the image again. If it is necessary, adjust the focusing of the lens. When you spread cards of camera using the extension cable also need to remove the vertical offset by turning and safe fixing the cards. a) b) Figure 4. Picture offset 3.3 Configuring convergence Convergence is the angle between the optical axis of the lens and the left and right camera. If the optical axis of the lens intersect on a monitored object, in this place will be missing the horizontal offset of the image. The object will be visible on the screen plane. If the optical axis of the lens intersect behind the object, it will be visible in front of the screen, and if before the object - behind the screen. Version 1.3.3 «the BlackBird» (21.03.2014) http://www.fpv3dcam.ru 6 To configure the convergence it is necessary to tilt the lens to each other or apart. There are no special instruments of fixation of convergence on the product. For fixing it is necessary to firmly secure the cards of camera during installation. 3.4 Possible malfunctions and methods of their elimination Malfunction Reason It is not powered on the board of LED doesn`t light camera LED is broken. Video signal isn't fed to the receiver LED burns, no picture Malfunction in the camera's scheme There is no connection between The image is visible from cards only one camera (half or The break in interboard cable. full), image jerks Malfunction in the camera's scheme Short circuit in interboard connector The consumption is more Short circuit in the interface cable 150 mA. Malfunction in the camera's scheme Removal method Check the power connection, eliminate breakage Contact technical support Check the power connection, eliminate breakage Contact technical support Check the plug connection between cards Replace interboard cable Contact technical support Check the plug connection between cards Replace the interface cable Contact technical support Version 1.3.3 «the BlackBird» (21.03.2014) http://www.fpv3dcam.ru 7