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Model No.: Novastar receiving card A7 Model
Led display receiving card A7 Model
Product Feature:Led display receiving card A7 Model Features Description Supporting pixel level brightness and chroma calibration Working with NovaLCT and NovaCLB, A7 supports brightness and chroma calibration on each pixel. Supporting image rotation in 90° increments (Calibration not supported after rotation) On NovaLCT, the image on the screen can be set to rotate in the multiples of 90° (90°, 180°, 270° and 360°). Supporting quick seam correction Working with NovaLCT, A7 supports quick adjustment of bright and dark lines, which can remove the seams between modules and between cabinets. Supporting 3D function On NovaLCT or operation panel of controllers which support 3D function, you can enable 3D function and set the 3D parameters to make the LED screen display 3D effects. 3.2 Improvement in Maintainability Features Description Supporting the smart module (Supported by dedicated firmware program) The smart module is composed of Flash and MCU. Flash could store calibration coefficients and module information. MCU could communicate with the receiving card to realize monitoring over temperature, voltage and wiring communication status for the module. Working with the driver chip, A7 supports open circuit detection on LED. The smart module could make monitoring unit smaller, requiring no independent monitoring card Receiving Card A7 Features Description and saving cabinet space. Supporting LVDS transmission (Supported by dedicated firmware program) The transmission mode of low-voltage differential signaling (LVDS) is used, which reduces the number of data cables that connect the receiving card's HUB board to the module, increases the transmission distance, improves the signal transmission quality, and better stabilizes the image output. Supporting auto module calibration After the module has been replaced, the receiving card can automatically read the new module ID and calibration coefficient which could be saved to calibration system files. Supporting Mapping function Enable the Mapping function on NovaLCT, then the target cabinet will display the cabinet number and Ethernet port information, and the user could get the receiving card`s location and wiring route. Supporting setting of images pre-stored of the receiving card On NovaLCT, the specified images could be set as the screen startup image and images used when the Ethernet cable is disconnected or no video source signal is available. Supporting module Flash management On NovaLCT, lamp panel Flash could be managed. Supporting monitoring voltage and temperature of itself The voltage and temperature of the receiving card itself can be monitored without using other peripherals. The monitoring data can be checked on NovaLCT. Supporting LCD module Supports NovaStar's general 5-pin LCD module. The LCD module is connected to the HUB board to display temperature, voltage, single operating time and total operating time of the receiving card. Support one-click application of calibration coefficient in module Flash In the event of network outage, hold down the self- test button to read the calibration coefficient in module Flash back to the receiving card. 3.3 Improvement in Hardware Reliability Features Description Supporting dual-card backup In the high-reliability environment, single HUB board could be populated with two A7 receiving cards. In case that the main receiving card fails, the standby one will serve in a timely manner to ensure normal operation of the display. Supporting dual-power Two power supplies could be simultaneously Receiving Card A7 Features Description backup detection connected, and operating status of the power supplies could be detected. Supporting loop backup HUB`s Ethernet port improves the reliability for the serial connection of the receiving card through main and standby redundant mechanism. Among the main and standby serial connection lines, if one fails, the other will begin to work to ensure the normal operation of the display. 3.4 Improvement in Software Reliability Features Description Supporting readback of firmware version On NovaLCT, the firmware versions of the receiving card can be read back. Supporting dual-backup and restoring of the calibration coefficient Calibration coefficients could be saved to both the factory area and application area at the same time. Calibration coefficients in the factory area is default as the delivery value, while the calibration coefficient in the application area could be modified or be restored to the factory reset by the user on NovaLCT.
Specifications 3 Features
Specifications 3 Features
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Product Parameters |
Receiving Card A7 Unit of the dimension chart is [mm". Ground connection is enabled for location hole (GND). 4.3 Indicators
Receiving Card A7 4.4 Definition of Data Interface ( Top ) 4.4.1 32-Group Parallel Data
Receiving Card A7 Specifications Receiving Card A7 4.4.2 64-Group Serial Data
Receiving Card A7 Specifications Note 1. Voltage ranging from 3.3V to 5.5V is recommended for input power (VCC). 4.4.3 Extended Functions Design Expandable Interface RFU1 RFU2 Recommended Smart Module Interface Reserved Reserved Recommended Module Flash Interface Reserved Reserved Description Reserved pin connected to MCU Reserved pin connected to MCU www.novastar.tech 13 GND 143 144 GND NC 145 146 NC NC 147 148 NC NC 149 150 NC NC 151 152 NC NC 153 154 NC NC 155 156 NC NC 157 158 NC NC 159 160 NC GND 161 162 GND NC 163 164 NC NC 165 166 NC NC 167 168 NC NC 169 170 NC NC 171 172 NC NC 173 174 NC NC 175 176 NC NC 177 178 NC GND 179 180 GND NC 197 198 NC VCC 199 200 VCC VCC 201 202 VCC VCC 203 204 VCC Note2. Operatingindicatorthatmeetslowlevelisvalid. Note 3. OE_RED, OE_GREEN and OE_BLUE are display enabled pins. In case that OE_RGB are not controlled separately, OE_RED is applied. While PWM chip is used, GCLK signal is enabled. Note 4. RFU1–18 are the reserved extended function interfaces. Please refer to [4.4.3 Extended Functions Design". Extended Functions Description Receiving Card A7
Note: The RFU8 and RFU10 are signal multiplex extension interfaces. You can select only one interface from either the Recommended Smart Module Interface or the Recommended Module Flash Interface at the same time. Receiving Card A7 Specifications Step 1 Step 2 Step 3 Step 4 Step 5 5 Firmware Update 5 Firmware Update Visit www.novastar.tech to download the firmware update package and save it to PC. Run NovaLCT and choose User > Advanced Synchronous System User Login to log in. Click Browse to select the program (the firmware update package you saved on PC) path and then click Update. Click Refresh to check current hardware version information. Receiving Card A7 Specifications 6 Applications 6 Applications A7 is applied to LED display synchronous system which is generally composed of the LED display, HUB board, receiving card, video controller and controller peripheral. The receiving card is connected to the display over a HUB board. Synchronous system requires connecting a computer to display the computer`s images and texts on the LED screen. Structure of the synchronous system is as shown in the following figure. Receiving Card A7 7 Specifications
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