2A96M-516KRS4DVR(DIGITAL VIDEO RECORDER)

Copyright ⓒ 2022. Lab-T, Inc. User Manual STD3K DVR OS & HW User Manual Ver. 2023-02 Chapter １ . DVR / NVR Operation Setup .......................................... 3 １-１ Power ON. ........................................................................................... 3 １-２ Storage Setup ...................................................................................... 3 １-３ Recording Setup ................................................................................... 4 １-４ Date/Time Setup................................................................................... 4 １-５ Display Setting and Other Setup ............................................................. 5 １-６ Search ................................................................................................ 5 １-７ Backup................................................................................................ 5 １-８ DVR / NVR Info. .................................................................................... 7 Chapter ２ . System Operation ....................................................... 8 ２-１ Real Time Monitoring Mode and Icon ....................................................... 8 ２-２ System Login ....................................................................................... 9 ２ -２-１ User Account and Authorization ............................................................................................................. 9 ２ -２-２ Login ................................................................................................................................................................... 9 ２-２-３ Log out ............................................................................................................................................................ 10 ２-３ Monitoring ......................................................................................... 10 ２ -３-１ Screen Division and Auto Sequence ................................................................................................. 10 ２-３-２ Spot .................................................................................................................................................................. 11 ２ -３-３ Menu in Monitoring Mode ....................................................................................................................... 12 ２-３-４ Zoom ................................................................................................................................................................ 12 ２-３-５ Screen Control by using PTZ ................................................................................................................ 13 ２-４ System Information and Screen Setup Change ....................................... 15 ２-４-１ System information .................................................................................................................................... 15 ２ -４-２ Display setting ............................................................................................................................................. 15 ２-５ Control .............................................................................................. 16 ２-６ Search .............................................................................................. 16 ２ -６-１ Search mode ................................................................................................................................................ 16 ２ -６-２ Calendar search ......................................................................................................................................... 16 ２-６-３ Time Search ................................................................................................................................................. 17 ２-６-４ Go To The Last ........................................................................................................................................... 17 ２ -６-５ Go To The First ........................................................................................................................................... 17 ２-６-６ Go to The Last Played Time.................................................................................................................. 17 ２-７ Playback ........................................................................................... 18 ２-７-１ Playback and Playback Speed Control ............................................................................................ 18 ２-７-２ Calendar Search ......................................................................................................................................... 20 ２-７-３ Multi Time ...................................................................................................................................................... 20 ２-７-４ Multi Day ........................................................................................................................................................ 20 ２ -７-５ Audio ................................................................................................................................................................ 20 ２-７-６ Event ................................................................................................................................................................ 20 ２-７-７ Backup ............................................................................................................................................................ 20 ２-７-８ Screen Mode ................................................................................................................................................ 20 1 ２-８ Log Viewer ......................................................................................... 20 ２-８-１ Log Type ...............................................................................................…

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Certification designating a U.S. Agent for service of process: A s required by section 2.911(d)(7), the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. I n either scenario, the designation of the U.S. agent for service of process should be provided as an attachment to the equipment authorization application. The applicant must provide a written certification, which must: i.Be signed by both the applicant and designated agent for service of process, if the agent is different from the applicant. ii.Acknowledge the applicant’s consent and the designated agent’s obligation to accept service o f process. iii. Provide a physical U.S. address and email for the designated agent. iv.A cknowledge the applicant’s acceptance to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Unofficial information provided by FCC personnel on February 14, 2023, via the monthly call with the TCB Council: T he Agent for Process of Service: •cannot be a TCB or affiliated with a TCB (e.g. could not be a person who works for a TCB or a c ompany that owns or is owned by the TCB) •cannot be a [FCC recognised] Lab or affiliated with a test lab (e.g. could not be a person who works for a Lab or a company that owns or is owned by the Lab) •Agent can be Individual Entity or a Company Entity •Agent Entity must be located in US, US address/phone •Entity acting as Agent must have FRN (best practice, put FRN on Agent Letter) •Agent letter does not have to be FCC ID specific, can be general Agent for Grantee F or devices being marketed or for which marketing has ceased for less than 1 year, if the Agent for Process of Service changes, then for every TC Number the TCB must request the FCC to put application into Audit Mode and Agent Letter needs to be updated (superseded). NOTE: The U.S. Agent for Service of Process should not be confused with the authorized agent used for signing the 731 form, other cover letters within the application, and/or the agent who may interface with the TCB. RIFATRON Co., Ltd. #612, RIFATRON, 108, Gasan digital 2-ro, South Korea U.S. Agent Designation for Service of Process ATTENTION: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA REGA RDING: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Approve-IT, Inc. Contact Name: Nathan Grinager Street Address: 8011 34 th Ave South, Suite 342 City/Province/Zip: Bloomington, MN 55425 Telephone No: 651-247-1678 Email: [email protected] FRN #: 0027533835 Thi s letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Dat e: Signe d by (Printed Name/Title): Nathan Grinager / Co-President *This letter must be dated within 1-year (update if other terms apply) of the date the application is submitted to the TCB for device certification The Applicant confirms its explicit consent and acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Appli cant Company name: RIFATRON Co., Ltd FCC ID: 2A96M-516KRS4 Contact Name: Jack Ryu Street Address: #612, RIFATRON, 108, Gasan digital 2-ro, South Korea City/Province/Zip: 08506 Telephone No: + 82 1041718708 Email: [email protected] Applicant Signature: Date: March 8, 2023 Signed by (Printed Name/Title): Jack Ryu / Sales associate March 7, 2023

RIFATRON Co., Ltd. #612, RIFATRON, 108, Gasan digital 2-ro, Republic of Korea Date: February.27.2023 Timco Engineering, Inc. 849 NW State Road 45 Newberry, FL 32669 SUBJECT: Application for Certification for FCC ID: 2A96M-516KRS4 To Whom It May Concern: We, the undersigned, hereby authorize CheolHo, Lee at Lab-T, Inc. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by CheolHo, Lee at Lab-T, Inc. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, (Signature) Jack Ryu / Sales associate +82-10-4171-8708 #612, RIFATRON, 108, Gasan digital 2-ro

RIFATRON Co., Ltd. #612, RIFATRON, 108, Gasan digital 2-ro, Republic of Korea Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2A96M-516KRS4 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name - Block Diagram - Schematics - Operation Description - 05. Block Diagram.pdf - 06. Schematics.pdf - 09. Operation Description.pdf The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for a period of 180 days Exhibit Type File Name - Internal Photos - User manual - 04. Internal Photos.pdf - 07. User Manual.pdf (Signature) Jack Ryu / Sales associate +82-10-4171-8708 #612, RIFATRON, 108, Gasan digital 2-ro

Page: 1 / 6 Copyright ⓒ 2022, Lab-T, Inc. External Photos Page: 2 / 6 Copyright ⓒ 2022, Lab-T, Inc. External Photos NX22-516KRS4_Front NX22-516KRS4_Rear Page: 3 / 6 Copyright ⓒ 2022, Lab-T, Inc. External Photos NX22-516KRS4_Top NX22-516KRS4_Bottom Page: 4 / 6 Copyright ⓒ 2022, Lab-T, Inc. External Photos NX22-516KRS4_Left NX22-516KRS4_Right Page: 5 / 6 Copyright ⓒ 2022, Lab-T, Inc. External Photos NX22-516KRS4_SWITCHING ADAPTER(FJ-SW20171205000)_Front NX22-516KRS4_SWITCHING ADAPTER(FJ-SW20171205000)_Rear Page: 6 / 6 Copyright ⓒ 2022, Lab-T, Inc. External Photos Optical Mouse_Front Optical Mouse_Rear

Copyright ⓒ 2022. Lab-T, Inc. Label Informaion Copyright ⓒ 2022. Lab-T, Inc. 1. Label Location Location Copyright ⓒ 2022. Lab-T, Inc. 2. FCC Label_Basic Model(NX22-516KRS4)

Page: 1 / 6 Copyright ⓒ 2022. Lab-T, Inc. Internal Photos Page: 2 / 6 Copyright ⓒ 2022. Lab-T, Inc. Internal Photos NX22-516KRS4_Main Board(RS-DM-466B) Front NX22-516KRS4_Main Board(RS-DM-466B) Front Rear Page: 3 / 6 Copyright ⓒ 2022. Lab-T, Inc. Internal Photos NX22-516KRS4_Sub Board1 Front NX22-516KRS4_Sub Board1 Rear Page: 4 / 6 Copyright ⓒ 2022. Lab-T, Inc. Internal Photos NX22-516KRS4_Sub Board2 Front NX22-516KRS4_Sub Board2 Rear Page: 5 / 6 Copyright ⓒ 2022. Lab-T, Inc. Internal Photos NX22-516KRS4_Front Board Front NX22-516KRS4_ Front Board Rear Page: 6 / 6 Copyright ⓒ 2022. Lab-T, Inc. Internal Photos FAN Front FAN Rear

http://www.lab-t.net 2182-42 Baegok-daero, Mohyeon-eup, Cheoin-gu Yongin-si, Gyeonggi-do 17036, Korea (Republic of) Main: +82-31-322-6767, Fax: +82-31-322-6768 Test report No.: TREFCC23-0014 TRF-E-007(00) It shall not be reproduced except in full, without the written approval of Lab-T, Inc. [Page 1 / 24 ] If this test report is required to confirmation of authenticity, please contact to [email protected] This test report is not related to KOLAS. FCC CERTIFICATION TEST REPORT Test report No. : TREFCC23-0014 Applicant : RIFATRON CO.,LTD. Address : #612, RIFATRON, 108, Gassan Digital 2-ro Geumcheon-gu, Seoul, 08506, Korea Manufacturer : RIFATRON CO.,LTD. Address #612, RIFATRON, 108, Gassan Digital 2-ro Geumcheon-gu, Seoul, 08506, Korea Type of equipment : DVR Model name : NX22-516KRS4 FCC ID : 2A96M-516KRS4 Variant model name : Not applicable Date of incoming : January 25, 2023 Date of test : January 30 ~ February 01, 2023 Date of issue : February 14, 2023 Test standards : ANSI C 63.4-2014 47 CFR Part 15 Subpart B Type of device : Class A digital devices Test Result : Complied Not Complied Summary The test results presented in this test report are limited only to the sample supplied by applicant and the use of this test report is inhibited other than its purpose. This test report shall not be reproduced except in full, without the written approval of Lab-T, Inc. Prepared by Approved by SeungHwan Lee / EMC test engineer Cheol-Ho, Lee / Technical manager http://www.lab-t.net 2182-42 Baegok-daero, Mohyeon-eup, Cheoin-gu Yongin-si, Gyeonggi-do 17036, Korea (Republic of) Main: +82-31-322-6767, Fax: +82-31-322-6768 Test report No.: TREFCC23-0014 TRF-E-007(00) It shall not be reproduced except in full, without the written approval of Lab-T, Inc. [Page 2 / 24 ] - CONTENTS - 1. REVISION HISTORY .............................................................................................................................. 3 2. INFORMATION OF TEST LABORATORY.............................................................................................. 4 3. APPLICANT INFORMATION .................................................................................................................. 5 4. DESCRIPTION OF EUT (EQUIPMENT UNDER TEST) .......................................................................... 6 4.1 Product description ..................................................................................................................................... 6 4.2 Product specification .................................................................................................................................. 6 4.3 EUT internal operating frequency ............................................................................................................... 7 4.4 Information of additional model .................................................................................................................. 7 4.5 Peripheral equipment ................................................................................................................................. 8 4.6 Connection cable ........................................................................................................................................ 9 4.7 Test set-up configuration .......................................................................................................................... 10 4.8 EUT operating test mode(s) ..................................................................................................................... 11 4.9 EUT modification ...................................................................................................................................... 11 5. TEST STANDARDS ............................................................................................................................. 12 5.1 Standards ................................................................................................................................................. 12 6. EMISSION TEST RESULTS ................................................................................................................. 13 6.1 Conducted emission ................................................................................................................................. 13 6.2 Radiated emission (30 MHz ~ 1 000 MHz) ............................................................................................... 17 6.3 Radiated emission (Above 1 GHz) ........................................................................................................... 21 http://www.lab-t.net 2182-42 Baegok-daero, Mohyeon-eup, Cheoin-gu Yongin-si, Gyeonggi-do 17036, Korea (Republic of) Main: +82-31-322-6767, Fax: +82-31-322-6768 Test report No.: TREFCC23-0014 TRF-E-007(00) It shall not be reproduced except in full, without the written approval of Lab-T, Inc. [Page 3 / 24 ] 1. Revision history Issued report No. Version Issued date Revision TREFCC23-0014 Rev. 00 February 14 , 2023 Original http://www.lab-t.net 2182-42 Baegok-daero, Mohyeon-eup, Cheoin-gu Yongin-si, Gyeonggi-do 17036, Korea (Republic of) Main: +82-31-322-6767, Fax: +82-31-322-6768 Test report No.: TREFCC23-0014 TRF-E-007(00) It shall not be reproduced except in full, without the written approval of Lab-T, Inc. [Page 4 / 24 ] 2. Information of test laboratory Corporate name Lab-T, Inc. Representative Duke (Jongyoung) Kim Address 2182-42, Baegok-daero, Mohyeon-eup, Cheoin-gu, Yongin-si Gyeonggi-do 17036, Korea (Republic of) Telephone +82-31-322-6767 Fax +82-31-322-6768 E-mail [email protected] Test Site Building L, A, T Address 2182-40, 2182-44, 2182-42 Baegok-daero, Mohyeon-eup, Cheoin-gu Yongin-si, Gyeonggi-do 17036, Korea (Republic of) * Lab-T, Inc. has been accredited / filed / authorized by the agencies listed in the following table. Certificate Nation Agency Code Mark Accreditation Korea KOLAS KT703 Site filing USA FCC KR0159 Japan VCCI R-1428…

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Page: 1 / 4 Copyright ⓒ 2022. Lab-T, Inc. Test Setup Photos Page: 2 / 4 Copyright ⓒ 2022. Lab-T, Inc. Test Setup Photos Radiated Emission_30 MHz ~ 1 GHz_Front Test distance : 10 m, height of table : 0.8 m Radiated Emission_30 MHz ~ 1 GHz_Rear Test distance : 10 m, height of table : 0.8 m Page: 3 / 4 Copyright ⓒ 2022. Lab-T, Inc. Test Setup Photos Radiated Emission_1 GHz ~ 6 GHz_Front Test distance : 3 m, height of table : 0.8 m Radiated Emission_1 GHz ~ 6 GHz _Rear Test distance : 3 m, height of table : 0.8 m Page: 4 / 4 Copyright ⓒ 2022. Lab-T, Inc. Test Setup Photos Conducted Emission_Front Conducted Emission_Rear