SVN-LCH75Smart interactive whiteboard

Smart Interactive Whiteboard Quick Start Guide ZHEJIANG DAHUA VISION TECHNOLOGY CO., LTD. V1.0.0 Quick Start Guide I Foreword General This manual introduces the functions and operations of the smart interactive whiteboard (hereinafter referred to as "the whiteboard"). Safety Instructions The following signal words might appear in the manual. Signal Words Meaning Indicates a high potential hazard which, if not avoided, will result in death or serious injury. Indicates a medium or low potential hazard which, if not avoided, could result in slight or moderate injury. Indicates a potential risk which, if not avoided, could result in property damage, data loss, reductions in performance, or unpredictable results. Provides methods to help you solve a problem or save time. Provides additional information as a supplement to the text. Revision History Version Revision Content Release Time V1.0.0 First release. December 2021 Privacy Protection Notice As the device user or data controller, you might collect the personal data of others such as their face, fingerprints, and license plate number. You need to be in compliance with your local privacy protection laws and regulations to protect the legitimate rights and interests of other people by implementing measures which include but are not limited: Providing clear and visible identification to inform people of the existence of the surveillance area and provide required contact information. About the Manual ● The manual is for reference only. Slight differences might be found between the manual and the product. ● We are not liable for losses incurred due to operating the product in ways that are not in compliance with the manual. ● The manual will be updated according to the latest laws and regulations of related jurisdictions. For detailed information, see the paper user’s manual, use our CD-ROM, scan the QR code or visit our official website. The manual is for reference only. Slight differences might be found between the electronic version and the paper version. ● All designs and software are subject to change without prior written notice. Product updates Quick Start Guide II might result in some differences appearing between the actual product and the manual. Please contact customer service for the latest program and supplementary documentation. ● There might be errors in the print or deviations in the description of the functions, operations and technical data. If there is any doubt or dispute, we reserve the right of final explanation. ● Upgrade the reader software or try other mainstream reader software if the manual (in PDF format) cannot be opened. ● All trademarks, registered trademarks and company names in the manual are properties of their respective owners. ● Please visit our website, contact the supplier or customer service if any problems occur while using the device. ● If there is any uncertainty or controversy, we reserve the right of final explanation. Quick Start Guide III Important Safeguards and Warnings This section introduces content covering the proper handling of the whiteboard, hazard prevention, and prevention of property damage. Read carefully before using the whiteboard, comply with the guidelines when using it, and keep the manual safe for future reference. Storage Requirements ● Place the whiteboard on a sturdy work bench to prevent it from falling. ● Do not place the whiteboard in a place exposed to sunlight or near heat sources. ● Store the whiteboard under allowed humidity and temperature conditions. Installation Requirements ● Do not install the whiteboard in a place exposed to sunlight or near heat sources. ● Keep the whiteboard away from dampness, dust, and soot. ● Install the whiteboard on a stable place to prevent it from falling. ● Install the whiteboard in a well-ventilated place, and do not block its ventilation. ● The power supply must conform to the requirements of ES1 in IEC 62368-1 standard and be no higher than PS2. Please note that the power supply requirements are subject to the device label. ● The whiteboard is a class I electrical appliance. Make sure that the power supply of the whiteboard is connected to a power socket with protective earthing. ● The appliance coupler is a disconnection device. Keep a convenient angle when using it. Operation Requirements ● High voltage inside the whiteboard. Do not disassemble the whiteboard without a qualified professional present to avoid the risk of being exposed to danger. ● Improper use of the battery might result in a fire or explosion. ● Make sure to use the same model when replacing the battery to avoid fire or explosion. ● Use the standard power adapter. We will assume no responsibility for any problems caused by the use of a nonstandard power adapter. ● Use power cords that conform to your local requirements and rated specifications. ● Make sure all cables are connected correctly before plugging the whiteboard into the power. Do not overload the power socket or pull the power code. Otherwise, it might cause fire or electric shock. ● Do not drop or splash liquid onto the whiteboard, and make sure that there is no object filled with liquid on the whiteboard to prevent liquid from flowing into it. ● This is a class A product. In a domestic environment this may cause radio interference in which case you may be required to take adequate measures. Quick Start Guide IV ● Operate the whiteboard within the rated range of power input and output. ● Do not disassemble the whiteboard. ● Use the whiteboard under allowed humidity and temperature conditions. ● The whiteboard is a class I electrical appliance. Make sure that the power supply of the whiteboard is connected to a power socket with protective earthing. ● The appliance coupler is a disconnection device. Keep a convenient angle when using it. Maintenance Requirements ● Unplug the power cord before cleaning the whiteboard. Do not use the liquid cleaner or spray cleaner when cleaning the whiteboard. ● Use the cle…

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TCB Authority to Act as Agent Number: MS-0045317 Revision: 0 Effective date: Oct 8, 2021 Page 1 of 1 The following is a sample Agency Request letter, which needs to be completed on company letterhead, signed by an authorized Applicant/Agent, and submitted to TÜV Rheinland. Authority to Act as Agent Date: 2022.3.21 TUV Rheinland of North America, Inc. 1279 Quarry Lane., Suite. A Pleasanton, CA 94566 To Whom It May Concern: I appoint TÜV Rheinland (Shenzhen) Co., Ltd. _ to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the FCC or Industry Canada’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by TUV Rheinland Group, still resides with Zhejiang Dahua Vision Technology Co., Ltd and No.1199 Bin'an Road,Binjiang District，Hangzhou.P.R,China. For TCB applications, We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Date: _2022.3.21___ Agreement is valid for 12 months from the above date. By: __________________________ Yolanda chen (Signature) (Print name) _Certificate Manager _0571-28822025__ (Title) (Telephone) On behalf of: Zhejiang Dahua Vision Technology Co., Ltd__ (Company Name)

Standard Form Sample Request for Confidentiality Letter MS-0044715 Page 1 of 1 Revision 0 The following is a sample Confidentiality Request letter, which needs to be completed on company letterhead, signed by an authorized Applicant/Agent, and submitted to TÜV Rheinland. Date: _2022.3.21__ Subject: Confidentiality Request for FCC ID: _SVN-LCH75 Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10, the applicant requests that a part of the subject FCC/IC application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term Permanent Internal Photos *** Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Tune-Up Procedure Short Term Permanent Schematics Short Term Permanent User’s Manual*** Short Term Permanent BOM Short Term Permanent PCB Layout Short Term n/a Test Setup Short Term n/a External Photos _Zhejiang Dahua Vision Technology Co., Ltd_ has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. (*** PAG only) Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of _180_ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Sincerely, By: _____________________/Certificate Manager _____Yolanda chen_____ (Signature/Title) (Print name)

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Prüfbericht - Produkte Test Report - Products Prüfbericht-Nr.: Test report no.: CN22GK21 001 Auftrags-Nr.: Order no.: 168361087 Seite 1 von 21 Page 1 of 21 Kunden-Referenz-Nr.: Client reference no.: N/A Auftragsdatum: Order date: 2022-02-22 Auftraggeber: Client: Zhejiang Dahua Vision Technology Co., Ltd No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R,China. Prüfgegenstand: Test item: Smart interactive whiteboard Bezeichnung / Typ-Nr.: Identification / Type no.: DHI-LCH75-MC410-B, DHI-LPH75-MT410-B, DHI-LCH75-MT410-B, DHI-LPH75- MC410-B, DHI-LU75-H****, DHI-LU75-M****, DHI-L*H75-M*4**-*, DHI-L*H75-*****, DHI-L*H75-M****(*=Blank, 0-9, A-Z, a-z for marketing purpose, no technical difference) Trademark: Auftrags-Inhalt: Order content: Test Report Prüfgrundlage: Test specification: CFR47 FCC Part 15: Subpart C Section 15.247 Wareneingangsdatum: Date of sample receipt: 2022-02-22 Please refer to Photo Document Prüfmuster-Nr.: Test sample no: HS220220-001-002 HS220220-001-003 Prüfzeitraum: Testing period: 2022-02-23 - 2022-03-13 Ort der Prüfung: Place of testing: Hwa-Hsing (Dongguan) Testing Co., Ltd. Prüflaboratorium: Testing laboratory: TÜV Rheinland (Shenzhen) Co., Ltd. Prüfergebnis*: Test result*: Pass geprüft von: tested by: X Signed by: Chris Chen genehmigt von: authorized by: X Signed by: Lin Lin Datum: Date: 2022-04-27 Ausstellungsdatum: Issue date: 2022-04-27 Stellung / Position: Section Manager Stellung / Position: Reviewer Sonstiges / Other: FCC ID: SVN-LCH75 Zustand des Prüfgegenstandes bei Anlieferung: Condition of the test item at delivery: Prüfmuster vollständig und unbeschädigt Test item complete and undamaged * Legende: 1 = sehr gut 2 = gut 3 = befriedigend 4 = ausreichend 5 = mangelhaft P(ass) = entspricht o.g. Prüfgrundlage(n) F(ail) = entspricht nicht o.g. Prüfgrundlage(n) N/A = nicht anwendbar N/T = nicht getestet * Legend: 1 = very good 2 = good 3 = satisfactory 4 = sufficient 5 = poor P(ass) = passed a.m. test specification(s) F(ail) = failed a.m. test specification(s) N/A = not applicable N/T = not tested Dieser Prüfbericht bezieht sich nur auf das o.g. Prüfmuster und darf ohne Genehmigung der Prüfstelle nicht auszugsweise vervielfältigt werden. Dieser Bericht berechtigt nicht zur Verwendung eines Prüfzeichens. This test report only relates to the a. m. test sample. Without permission of the test center this test report is not permitted to be duplicated in extracts. This test report does not entitle to carry any test mark. TÜV Rheinland (Shenzhen) Co., Ltd. 1601 R&D Room, 1602-1604, 17-18F, Building 7 Site C, Vanke Cloud City Phase I, Xingke First Street, Xili Street, Xili Community, Nanshan District, Shenzhen 518052, P.R. China Mail: [email protected] · Web: www.tuv.com jjj Prüfbericht - Produkte Test Report - Products Prüfbericht - Nr.: Test Report No.: CN22GK21 001 Seite 2 von 21 Page 2 of 21 Test Summary 5.1.1 ANTENNA REQUIREMENT RESULT: Pass 5.1.2 MAXIMUM PEAK CONDUCTED OUTPUT POWER RESULT: Pass 5.1.3 CONDUCTED POWER SPECTRAL DENSITY RESULT: Pass 5.1.4 6DB BANDWIDTH RESULT: Pass 5.1.5 99% BANDWIDTH RESULT: Pass 5.1.6 CONDUCTED SPURIOUS EMISSIONS MEASURED IN 100 KHZ BANDWIDTH RESULT: Pass 5.1.7 RADIATED SPURIOUS EMISSION RESULT: Pass 5.1.8 CONDUCTED EMISSION RESULT: Pass Prüfbericht - Produkte Test Report - Products Prüfbericht - Nr.: Test Report No.: CN22GK21 001 Seite 3 von 21 Page 3 of 21 Contents 1 GENERAL REMARKS .......................................................................................................... 4 1.1 COMPLEMENTARY MATERIALS ............................................................................................. 4 2 TEST SITES ..................................................................................................................... 4 2.1 TEST FACILITIES ............................................................................................................... 4 2.2 LIST OF TEST AND MEASUREMENT INSTRUMENTS ..................................................................... 5 2.3 TRACEABILITY.................................................................................................................. 6 2.4 CALIBRATION................................................................................................................... 6 2.5 MEASUREMENT UNCERTAINTY ............................................................................................. 6 2.6 LOCATION OF ORIGINAL DATA ............................................................................................. 6 2.7 STATUS OF FACILITY USED FOR TESTING ............................................................................... 6 3 GENERAL PRODUCT INFORMATION........................................................................................ 7 3.1 PRODUCT FUNCTION AND INTENDED USE................................................................................ 7 3.2 RATINGS AND SYSTEM DETAILS ........................................................................................... 7 3.3 INDEPENDENT OPERATION MODES ........................................................................................ 8 3.4 NOISE GENERATING AND NOISE SUPPRESSING PARTS............................................................... 8 3.5 SUBMITTED DOCUMENTS .................................................................................................... 8 4 TEST SET-UP AND OPERATION MODES................................................................................... 9 4.1 PRINCIPLE OF CONFIGURATION SELECTION ............................................................................. 9 4.2 TEST OPERATION AND TEST SOFTWARE................................................................................. 9 4.3 SPECIAL ACCESSORIES AND AUXILIARY EQUIPMENT ................................................................. 9 4.4 COUNTERMEASURES TO ACHIEVE EMC COMPLIANCE ............................................................... 9 4.5 TEST SETUP DIAG…

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Prüfbericht - Produkte Test Report - Products Appendix B CN22GK21 001 Page 1 of 154 Appendix B: Test Results of Wi-Fi 802.11 b/g/n APPENDIX B: TEST RESULTS OF WI-FI 802.11 B/G/N ................................................................................................................ 1 APPENDIX B.1: TEST RESULTS OF CONDUCTED POWER SPECTRAL DENSITY ......................................................................................... 3 Wi-Fi 802.11 b mode, 1 Mbps ............................................................................................................................................. 4 Wi-Fi 802.11 g mode, 6 Mbps ............................................................................................................................................. 5 Wi-Fi 802.11 n(HT20) mode, MCS0 .................................................................................................................................... 6 Wi-Fi 802.11 n(HT40) mode, MCS0 .................................................................................................................................... 7 Wi-Fi 802.11 b mode, 1 Mbps ............................................................................................................................................. 9 Wi-Fi 802.11 g mode, 6 Mbps ........................................................................................................................................... 10 Wi-Fi 802.11 n(HT20) mode, MCS0 .................................................................................................................................. 11 Wi-Fi 802.11 n(HT40) mode, MCS0 .................................................................................................................................. 12 APPENDIX B.2: TEST RESULTS OF 6DB BANDWIDTH ....................................................................................................................... 13 Wi-Fi 802.11 b mode, 1 Mbps ........................................................................................................................................... 14 Wi-Fi 802.11 g mode, 6 Mbps ........................................................................................................................................... 15 Wi-Fi 802.11 n(HT20) mode, MCS0 .................................................................................................................................. 16 Wi-Fi 802.11 n(HT40) mode, MCS0 .................................................................................................................................. 17 Wi-Fi 802.11 b mode, 1 Mbps ........................................................................................................................................... 19 Wi-Fi 802.11 g mode, 6 Mbps ........................................................................................................................................... 20 Wi-Fi 802.11 n(HT20) mode, MCS0 .................................................................................................................................. 21 Wi-Fi 802.11 n(HT40) mode, MCS0 .................................................................................................................................. 22 APPENDIX B.3: TEST RESULTS OF 99% BANDWIDTH....................................................................................................................... 23 Wi-Fi 802.11 b mode, 1 Mbps ........................................................................................................................................... 24 Wi-Fi 802.11 g mode, 6 Mbps ........................................................................................................................................... 25 Wi-Fi 802.11 n(HT20) mode, MCS0 .................................................................................................................................. 26 Wi-Fi 802.11 n(HT40) mode, MCS0 .................................................................................................................................. 27 Wi-Fi 802.11 b mode, 1 Mbps ........................................................................................................................................... 29 Wi-Fi 802.11 g mode, 6 Mbps ........................................................................................................................................... 30 Wi-Fi 802.11 n(HT20) mode, MCS0 .................................................................................................................................. 31 Wi-Fi 802.11 n(HT40) mode, MCS0 .................................................................................................................................. 32 APPENDIX B.4: TEST RESULTS OF CONDUCTED SPURIOUS EMISSIONS MEASURED IN 100 KHZ BANDWIDTH......................................... 33 Wi-Fi 802.11 b mode, 1 Mbps ........................................................................................................................................... 33 Wi-Fi 802.11 g mode, 6 Mbps ........................................................................................................................................... 36 Wi-Fi 802.11 n(HT20) mode, MCS0 .................................................................................................................................. 39 Wi-Fi 802.11 n(HT40) mode, MCS0 .................................................................................................................................. 42 Wi-Fi 802.11 b mode, Band Edge ..................................................................................................................................... 45 Wi-Fi 802.11 g mode, Band Edge ..................................................................................................................................... 46 Wi-Fi 802.11 n(HT20) mode, …

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Prüfbericht - Produkte Test Report - Products Appendix A CN22GK21 001 Page 1 of 3 Appendix A: Photographs of the Test Set-Up APPENDIX A: PHOTOGRAPHS OF THE TEST SET-UP.................................................................................................................. 1 PHOTOGRAPH 1: SET-UP PHOTO FOR RADIATED SPURIOUS EMISSION, BELOW 1GHZ ............................................................................. 2 PHOTOGRAPH 2: SET-UP PHOTO FOR RADIATED SPURIOUS EMISSION, ABOVE 1GHZ.............................................................................. 2 PHOTOGRAPH 3: SET-UP PHOTO FOR CONDUCTED EMISSION ON AC MAINS ......................................................................................... 3 Prüfbericht - Produkte Test Report - Products Appendix A CN22GK21 001 Page 2 of 3 Photograph 1: Set-up photo for Radiated Spurious Emission, below 1GHz Photograph 2: Set-up photo for Radiated Spurious Emission, above 1GHz Prüfbericht - Produkte Test Report - Products Appendix A CN22GK21 001 Page 3 of 3 Photograph 3: Set-up photo for Conducted Emission on AC Mains