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1、<p><b>  A4s </b></p><p>  Copyright © 2018 Xi’an NovaStar Tech Co., Ltd. All Rights Reserved. </p><p>  No part of this document may be copied, reproduced, extracted or tr

2、ansmitted in any form or by any means without the prior written consent of Xi’an NovaStar Tech Co., Ltd. </p><p>  Trademark </p><p>  Specifications Change History </p><p>  Speci

3、fications Contents </p><p><b>  Contents </b></p><p>  Change History ...............................................................................................................

4、... ii </p><p>  Safety ............................................................................................................................... 1 </p><p>  Overview .....................

5、..................................................................................................... 2 3 Features .........................................................................................................

6、.................. 3 </p><p>  3.1 Improvement in Display Effect ..................................................................................................................... 3 3.2 Improvement in Mai

7、ntainability .................................................................................................................... 3 </p><p>  Improvement in Hardware Reliability .............................

8、.............................................................................. 4 </p><p>  Improvement in Software Reliability ................................................................................

9、............................ 5 </p><p>  Hardware ......................................................................................................................... 6 </p><p>  Appearance

10、 .................................................................................................................................................. 6 4.2 Dimensions .......................................................

11、........................................................................................... 6 </p><p>  Indicators ............................................................................................

12、......................................................... 7 </p><p>  Definition of Data Interface ( Top ) ....................................................................................................

13、........... 8 </p><p>  24-Group Parallel Data ............................................................................................................................. 8 </p><p>  64-Group

14、Serial Data ............................................................................................................................... 11 </p><p>  Extended Functions Design ............................

15、........................................................................................ 14 </p><p>  Firmware Update .........................................................................................

16、.................. 16 </p><p>  Applications .................................................................................................................. 17 </p><p>  Specifications ......

17、......................................................................................................... 18 </p><p>  Abbreviation............................................................................

18、...................................... 19 </p><p>  Terms ............................................................................................................................. 20 </p><p>

19、;<b>  1 Safety</b></p><p><b>  Safety </b></p><p>  This chapter illustrates safety of the A4s receiving card to ensure the product’s storage, transport, installation and

20、 use safety. Safety instructions are applicable to all personnel who contact or use the product. First of all, pay attention to following points. </p><p>  Read through the instructions. </p><p>

21、;  Retain all instructions. </p><p>  Comply with all instructions. </p><p>  Storage and Transport Safety </p><p>  Pay attention to dust and water prevention. </p><p>

22、;  Avoid long-term direct sunlight. </p><p>  Do not place the product at a position near fire and heat. </p><p>  Do not place the product in an area containing explosive materials. </p>

23、<p>  Do not place the product in a strong electromagnetic environment. </p><p>  Place the product at a stable position to prevent damage or personal injury caused by dropping. </p><p>  

24、Save the packing box and materials which will come in handy if you ever have to store and ship the product. For maximum protection during storage and shipping, repack the product as it was originally packed at the factor

25、y. </p><p>  Installation and Use Safety </p><p>  Only trained professionals may install the product. </p><p>  Plugging and unplugging operations are prohibited when the power is

26、on. </p><p>  Ensure safe grounding of the product. </p><p>  Always wear a wrist band and insulating gloves. </p><p>  Do not place the product in an area having frequent or strong

27、 shake. </p><p>  Perform dust removing regularly. </p><p>  Contact NovaStar for maintenance at any time, rather than have the product disassembled and maintained by non-professionals without a

28、uthorization. </p><p>  Replace faulty parts only with the spare parts supplied by NovaStar. </p><p>  2 Overview</p><p><b>  Overview </b></p><p>  A4s is

29、a high-end receiving card developed by NovaStar, featuring small size and large loading capacity with a single card loading up to 256 x 256(PWM IC) pixels. </p><p>  A4s supports pixel level brightness and c

30、hroma calibration by working with NovaLCT and NovaCLB to realize calibration on each pixel. It can effectively remove color difference and greatly improve LED display image consistency, presenting smoother images to user

31、s. In addition, it also supports image rotation in 90° increments, creating richer images and improving visual experiences. </p><p>  Software and hardware designs of the A4s concern the user deployment

32、 as well as operating and maintenance scenarios, enabling easier deployment, more stable operating and more efficient maintenance. </p><p>  Advanced hardware design: </p><p>  The small-size ha

33、rdware design is applicable to scenarios of small cabinet space and small pixel pitch. </p><p>  Use high-density connector which is resistant to dust and vibration and features high stability and high relia

34、bility. </p><p>  Assembly network transformer features simple design and improved magnetic compatibility, helping user’s products to successfully pass the EMC authentication. </p><p>  Useful s

35、oftware design: </p><p>  Support for LVDS transmission (Supported by dedicated firmware program). </p><p>  Support for smart module (Supported by dedicated firmware program). </p><p

36、>  Support for quick seam correction. </p><p>  Support for 3D function. </p><p>  Support for pre-stored image setting of the receiving card. </p><p>  Support for module Flash

37、management. </p><p>  Supports monitoring voltage and temperature of itself without using other peripherals. </p><p>  Support for monitoring of Ethernet cable communication status (Supported by

38、 dedicated firmware program). </p><p>  Support for 5-pin LCD module. </p><p>  Support for image rotation in 90° increments. </p><p>  3.2 Improvement in Maintainability </

39、p><p>  3.4 Improvement in Software Reliability </p><p>  Board thickness is not greater than 2.0 mm, and the total thickness (board thickness + thickness of both front panel and back panel) is not

40、 greater than 7.5 mm. </p><p>  Unit of the dimension chart is “mm”. Ground connection is enabled for location hole (GND). </p><p>  Indicators </p><p>  Definition of Data Interfac

41、e ( Top ) </p><p>  4.4.1 24-Group Parallel Data </p><p>  Note: The RFU8 and RFU10 are signal multiplex extension interfaces. You can select only one interface from either the Recommended Smart

42、 Module Interface or the Recommended Module Flash Interface at the same time.</p><p>  Firmware Update</p><p>  Applications</p><p>  Specifications</p><p>  Abbreviati

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