2AZO2-ENHANCEMENT01RISU Tablet

Tabletcomputerseries Theusermanual Attention: 1.Desk: 1.1Touchpanel 1.2POWER 1.3BT 1.4WIFI 1.5BACK 1.6MIC4 1.7Volume+，Volume- 1.8earphonejack 1.9Videooutputinterface: 1.10TFcard 1.11USB 1.12Recovery 2.Firstuse 2.1Batterymanagementandcharge 2.2ConnectionwithPC 3.Equipmentoperationinterface 3.1Maininterfacedescribe 3.2statusbardescribe 3.3Usetouchpanel 4.Equipmentbasicset 4.1Silentmode,Volume,Notificationringtone,AudibleselectionScreenlocksounds 4.2Application 4.3Privacy 4.4Storage 4.5Language&keyboard 4.6Date&timesetting 4.7Developeroptions 4.8Abouttablet Attention: Thishandbookcontainsimportantsecuritymeasuresandthecorrectuseoftheproduct information,inordertoavoidaccidents.Pleasemakesuretoreadingthemanualcarefully beforeusethedevice. •Pleasedon'tbeinhightemperaturemoistureorverydustplace •Pleasedon'tbeinhightemperature,Especiallyinsummerdon'tputthedeviceinthecar whenWindowsclosed. •AvoidfallorViolentcollisionofthedevice,don'tmaketheTFTdisplayscreenwereviolent tremor,ThiscouldcauseTFTdisplayscreenabnormalordamage. •Pleasechoosetheappropriatevolume,Useheadphonesshouldnotbetoobigvolume,If feeltinnitus,Lowerthevolumeorstopusingit. •PleasechargeInthefollowingcondition. A、ThebatterypowerICONSshowshavenopower B、Thesystemautomaticallyshutoff,startupafterpoweroffsoon C、Operationbuttonsnoresponse D、Themachinethatthetoprightcornershowredicons •Whenthedeviceintheformatorongoinguploadanddownloadfile,pleasedon't suddenlydisconnect,Thiscouldcauseapplicationerror. •Forthosewhobecauseofdamagetotheproduct,repair,orothercausesoferasedthe memory,Thecompanyshallnotbeliableforanyresponsibility,pleasefollowtheuser manualforthestandardizedoperationtousethedevice. •Don'tdisassembletheproduct,don'tusealcohol,Thinnerorbenzenetoscrubbing products. •Don'tusethedeviceoneoftheplaceofprohibittouseelectronicequipmentin regional(suchastheplane) •Pleasedon'tusingtheTabletPCwhenyouindrivingorwalkingdownthe street. •USBjustonlybeusedfordatatransmission Thecompanyreservestherighttoimproveproduct,productsspecificationanddesignhave anychange.Theinformationissubjecttochangeswithoutpriornotice. (Thistabletisnowaterprooffunction) [Remark]Allpicturesinthismanualisjustforyourreference.productsspecificationand designhaveanychange,Theinformationissubjecttochangeswithoutpriornotice. 1.Desk: 1.1Touchpanel Capacitivetouchpanel:InTheOperation,toclick,draggingonthetouchpanel. 1.2POWER Startup:LongPressandholdthepowerbutton,thesystemwillenterthemaininterface shutdown:Inthemainmenuinterface,Pressthepowerbuttonabout5secondtoshutdown, Thesystemcanhint“poweroff”option,Click"OK",youcansafelyshutdown. Lockscreen：ShortpressPowerbuttontolockscreenorunlockscreen. Remark1.Whenpowerisempty,systemwillshutdownautomatically. 2.Illegalturnoffthedevice,restartwillscanandrestorethedisk,itmaytakelonger timetoenterintosystem. 1.3BT Settings>Connecteddevices>Pairnewdevice 1.4WIFI Settings>Network&Internet>Wi-Fi 1.5BACK ShortPressBACKbuttonwillreturnthelastinterface. 1.6MIC Recording 1.7Volume+,Volume- thebuttonsontopVolume+,,Volume-achievechangesinthevolume. 1.8earphonejack 3.5mmstandardearphonejack. 1.9Videooutputinterface HDMIoutputinterface 1.10TFcard TF-CARDjack:externalT-FLASHcard 1.11MiniUSB Mini-USBjack:youcanuseittoconnectthecomputerfordatatransmission,chargingand externalconnectionUSBflashdrive. 1.12Recovery WhentheTabletundertheconditionofthecrash,upgradefirmware. 2.Firstuse 2.1Batterymanagementandcharge Beforefirstuse,pleasesetthedevice'sbatteryisfullycharged. JustneedtoconnecttheadaptororUSBinterface,thenyoucancharge. Thefirsttwotimeschargingpleasekeepabout6hours,afterthatyoujustneed. 4hourstocharge. 【Remark】ThistabletusingBuilt-intypepolymerbattery,Chargemustbetochoose standardadaptor(lnput:AC110-240V50/60HzMax:180MA.Output:DC5.0~5.5V/1.5A),this devicewithoutsupplyDCcharging,USBinterfacecancharge,ChooseUSBinterfaceto charger. Duringthecharging,thebatteryiconwillscroll Whenfinishedcharging,batteryiconwillbecomegreenandstoprolling Inordertoprolongtheservicelifeofthemachine,suggestuseoutbatterypowerbefore chargeit. 【Remark】1.Ifyoulongtimedon’ttousethisTablet,inordertoavoidpowerconsumption causeddamage,pleasecharge/playthebatteryonceamonth. 2.AfterlowbatteryshutdownconnectDCadaptor,devicewillremindlowbattery, charging,needtowaitsometimeuntilthebatteryisenoughpowertoenterintomainmenu. 3.Devicechargingshouldbeinstandbystatusforreachnormalchargingtime. Becausewithdeviceandscreenconsumption,itmaycauselongerchargingtime. 2.2ConnectionwithPC UUseUSBcabletoconnectionwindow,clickTurnconnectdevicetoPC,devicewillonUSB storagetoconnecttoPC. Intotheloadmode,youcancopy,deletethefileonthedeviceandthefileonthememory card. 3.Equipmentoperationinterface 3.1Maininterfacedescribe Afterstart-upwillenterthemaininterface Inthemaininterface,youcan: ManagementmaininterfacesoftwareICONS:longpresstheicons3second,aftertheicons willbigger,thenyoucandraganywhereintheinterface. Deleteiconsdongpresstheicons3second,dragtheiconstotheRecycleBinicon,onceit becomered,Loosenyourhand,afterthatyoucandeleteiconyoutouchthescreenkeepa time. 3.2statusbardescribe •Thestatusbaraboveofthescreen Topleftdisplaymaininterfacesoftware,T-Flashcard,USBconnectionstatusandsoonlop rightdisplaythebattery,batterychargeicons,currenttime.settime,SettingsMenu,ESC button. 3.3Usetouchpanel Deviceequippedwitha10.1"touchscreen.Followingthemaintouchscreenareais described,anddescribessomeofthetipsforhowtousethetouchscreen. Nomatterwhichinterfaceyouareonthescreen,cangobacktomainscreenthrough pressingthesoftkeyonthebottomrightcornerofthemainscreen. 【Attention】ThemainscreensoftkeyfunctionsasthemachinebackkeyIndifferent applications,bytappingthebacksoftkeyonthebottomrightcorneronthetouchscreen youcanreturntoisinterfaceontheupfloor. Indifferentapplications,bytappingthemenukeyontheupperrightcomeroftouchscreen, thescreenwillappeartheoperationsettinginterfaceasfollows. 【Remark】Themainscreensoftkeyfunctionsasthemachinemenu Inthemaininterface,youcantouchtheicontoopentheApps Indifferentbrowser(file,music,video,pictures),Youshi…

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FCC Software Configuration Control Declaration Rev1.0.docx RISU USA, LLC FCC Software Configuration Control Declaration Date: Apr. 20, 2020 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attn: OET Dept. Product: Model No.: For_your_enhancement_01 Regarding FCC Country Code Selection guidelines identified in KDB 594280 D02 v01r03. “All applications for equipment authorization for transmitters that can have radio parameters, or other technical parameters, reported to the Commission set by software must have an attestation indicating that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified.” We declare that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. Date: Apr. 20, 2020 Name: Hiroji Fukui Title: CEO Signature of applicant

Co m Ad d Pr o Mo d Pr o We act We an d issu our Sig Na m Title Com mpany: RIS dress: 709 oduct Name del Numbe oduct Desc authorize M on our beha declare tha d certificatio ues concern behalf shal nature: me: e: mpany: SU USA, LL W Knickerb e: RISU Tab er(s): For_yo ription: RIS MiCOM Lab alf on all ma at MiCOM L n of equipm ning the app ll have the s Hiroji Fu k CEO RISU USA Agen LC bocker Dr. S blet our_enhanc SU Tablet bs Inc., 575 atters conce Labs Inc. is ment to the r proval applic same effect kui A, LLC RISU US nt Auth Sunnyvale, cement_01 Boulder C o erning the c allowed to f regulatory a cation. Any t as acts of SA, LLC horizat CA 94087 U ourt, Pleasa certification forward all i agencies as and all acts our own. tion USA anton, Califo of above na information s required a s carried ou Date: ornia 94566 amed equip related to t nd to discu ut by MiCOM Apr. 20, 20 6, USA, to pment. the approva ss any M Labs on 020 al

Office o Federa 7435 O Columb USA Subjec t FCC ID To Wh o Pursua are req u docume These d propriet might b It is ou r corresp docume authoriz Sincer e Signat u Name: Title: C of Engineeri l Communic Oakland Mills bia, MD 210 t; Request f D: 2AZO2-E om It May C nt to the pro uesting the ents from pu documents tary informa be harmful to Schema Block D Parts Lis Operatio Tune-up software r understand pondence du ents and thi zation is iss ely, ure: Hiroji Fuku i EO ing Techno cations Com s Road 046 for Confiden NHANCEM Concern, ovisions of t Commissio ublic disclos contain det ation in ope o our comp atic Diagram iagram st onal Descri p Procedure e security re ding that all uring the ce s informatio sued. i R logy mmission ntiality MENT01 the Commis on to withho sure indefin tailed syste ration of th e any and wo m ption e equirement l measurem ertification re on will be av RISU USA, ssion’s rule old the follow nitely. m and equi e equipmen ould give co ment test rep eview proce vailable for LLC s Title 47 S wing attach pment desc nt. The publ ompetitors a ports, FCC ess cannot public revi e Sections §0. hment(s) as criptions an ic disclosu r an unfair ad ID label for be granted ew once the Date: Apr. 457 and § 0 confidentia d are consi re of these d vantage in mat and as confide n e grant of eq 20, 2020 0.459, we al dered as documents the market . ntial quipment .

Annex A External Photos For_your_enhancement_01 Page 1 of 4 For_your_enhancement_01 Page 2 of 4 For_your_enhancement_01 Page 3 of 4 For_your_enhancement_01 Page 4 of 4

FCC ID LABEL: Width:2cm Long: 4cm Label Location FCC ID: 2AZO2‐ENHANCEMENT01 Product name: RISU Tablet Model No: For_your_enhancement_01 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions (1) This device may ont cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.

Annex B Internal Photos For_your_enhancement_01 Page 1 of 4 Antenna For_your_enhancement_01 Page 2 of 4 For_your_enhancement_01 Page 3 of 4 For_your_enhancement_01 Page 4 of 4

FCC RF Exposure EUT Description: RISU Tablet Model No.: For_your_enhancement_01 FCC ID: 2AZO2‐ENHANCEMENT01 1. Limits According to KDB 447498 D01 General RF Exposure Guidance v06 The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤50 mm are determined by: [(max power of channel, including tune‐up tolerance, mW)/(min. test separation distance, mm)]·[√ f(GHz)]≤3.0 for 1‐g SAR and ≤ 7.5 for 10‐g extremity SAR, Where: Result=P/D*√F F= the RF channel transmit frequency in GHz P=Maximum turn‐up power in mw D=Min. test separation distance in mm 2. Test Result of RF Exposure Evaluation Frequency (MHz) Output power （dBm） Tune Up Power （dBm） Max Tune Up power dBm/mW Min test separation distance mm Result Limit (mW/cm 2 ) SAR Test Exclusion EDR:2480 -2.398 ‐2±1 ‐1/0.79 5 0.248 3.0 Pass 2.4GWIFI: 2412 8.35 8.5±1 9.5/8.91 5 2.768 3.0 Pass 5.2GWIFI: 5180 6.82 6.9±1 7.9/6.17 5 2.809 3.0 Pass 5.8GWIFI: 5775 6.47 6±1 7/5.01 5 2.408 3.0 Pass Note: PK Output power= conducted power. Conducted power see the test report HK2104020957‐1E/2E/3E/4E, antenna gain=2.5dBi(BT/2.4G WIFI),2.9dBi(5.2GWIFI/5.8GWIFI) Per KDB 447498 D01, when the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 2.809 which is<= 3, RF Exposure testing is not required. Note: Exclusion Thresholds Results=[(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] f(GHz) is the RF channel transmit frequency in GHz Distance=5mm

Report No.: HK2104020957-3E FCC TEST REPORT Test report On Behalf of RISU USA, LLC For RISU Tablet Model No.: For_your_enhancement_01 FCC ID: 2AZO2-ENHANCEMENT01 Prepared for : RISU USA, LLC 709 W Knickerbocker Dr. Sunnyvale, CA 94087 USA Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Mar. 31, 2021 ~ Apr. 07, 2021 Date of Report: Apr. 07, 2021 Report Number: HK2104020957-3E Report No.: HK2104020957-3E Page 2 of 63 TEST RESULT CERTIFICATION Applicant’s name .................. : RISU USA, LLC Address .................................. : 709 W Knickerbocker Dr. Sunnyvale, CA 94087 USA Manufacture's Name ............. : Shenzhen Xuezhiyou Technology Co., Ltd. Address .................................. : 2/F. Building 6, Lianchuang Science and Technology Park, Bulan Road, Nanwan Street, Longgang, 518116, Shenzhen, China Product description Trade Mark: RISU Product name ............................ : RISU Tablet Model and/or type reference . : For_your_enhancement_01 Standards .............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.407 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Mar. 31, 2021 ~ Apr. 07, 2021 Date of Issue ........................................... : Apr. 07, 2021 Test Result ............................................... : Pass Prepared by: Project Engineer Reviewed by: Project Supervisor Approved by: Technical Director Report No.: HK2104020957-3E Page 3 of 63 TABLE OF CONTENTS 1. Test Result Summary ............................................................................... 5 1.1. TEST PROCEDURES AND RESULTS ............................................................................................... 5 1.2. TEST FACILITY .................................................................................................................................. 5 1.3. MEASUREMENT UNCERTAINTY ............................................................................................................... 6 2. EUT Description ........................................................................................ 7 2.1. GENERAL DESCRIPTION OF EUT ................................................................................................... 7 2.2. OPERATION FREQUENCY EACH OF CHANNEL ........................................................................................... 8 2.3. OPERATION OF EUT DURING TESTING .................................................................................................... 8 2.4. DESCRIPTION OF TEST SETUP ....................................................................................................... 9 3. Genera Information ................................................................................. 10 3.1. TEST ENVIRONMENT AND MODE ............................................................................................................ 10 3.2. DESCRIPTION OF SUPPORT UNITS ........................................................................................................ 11 4. Test Results and Measurement Data .................................................... 12 4.1. CONDUCTED EMISSION ........................................................................................................................ 12 4.2. MAXIMUM CONDUCTED OUTPUT POWER .............................................................................................. 16 4.3. 6DB EMISSION BANDWIDTH ................................................................................................................. 19 4.4. 26DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ............................................................................ 20 4.5. POWER SPECTRAL DENSITY ................................................................................................................ 27 4.6. BAND EDGE ......................................................................................................................................... 34 4.7. SPURIOUS EMISSION ........................................................................................................................... 49 4.8. FREQUENCY STABILITY MEASUREMENT ................................................................................................ 57 ANTENNA REQUIREMENT ...................................................................................................................... 60 4.9. PHOTOGRAPHS OF TEST SETUP ........................................................................................................... 61 4.10. PHOTOS OF THE EUT ..................................................................................................................... 63 Report No.: HK2104020957-3E Page 4 of 63 ** Modifited History ** Revison Description Issued Data Remark Revsion 1.0 Initial Test Report Release Apr. 07, 2021 Jason Zhou Report No.: HK2104020957-3E Page 5 of 63 1. Test Result Summary 1.1. TEST PROCEDURES AND RESULTS Requirement CFR 47 Section Result Antenna requirement §15.203 PASS AC Power Line Conducted Emission §15.207 PASS Maximum Conducted Output Power §15.407(a) PASS 6dB Emission Bandwidth §15.407(e) N/A 26dB Emission Bandwidth& 99% Occupied Bandwidth §15.407(a) PASS Power Spectral Density §15.407(a) PASS Band edge §15.407(b)/15.209/15.205 PASS Radiated Emission §15.407(b)/15.209/15.205 PASS Frequency Stabili…

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Report No.: HK2104020957-4E FCC TEST REPORT T est report On Behalf of RISU USA, LLC For RISU Tablet Model No.: For_your_enhancement_01 FCC ID: 2AZO2-ENHANCEMENT01 Prep ared for : RISU USA, LLC 709 W Knickerbocker Dr. Sunnyvale, CA 94087 USA Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Mar. 31, 2021 ~ Apr. 07, 2021 Date of Report: Apr. 07, 2021 Report Number: HK2104020957-4E Report No.: HK2104020957-4E Page 2 of 61 TEST RESULT CERTIFICATION Applicant’s name .................. : RISU USA, LLC Address .................................. : 709 W Knickerbocker Dr. Sunnyvale, CA 94087 USA Manufacture's Name ............. : Shenzhen Xuezhiyou Technology Co., Ltd. Address .................................. : 2/F. Building 6, Lianchuang Science and Technology Park, Bulan Road, Nanwan Street, Longgang, 518116, Shenzhen, China Product description Trade Mark: RISU Product name ............................ : RISU Tablet Model and/or type reference . : For_your_enhancement_01 Standards .............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.407 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Mar. 31, 2021 ~ Apr. 07, 2021 Date of Issue ........................................... : Apr. 07, 2021 Test Result ............................................... : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou ) Report No.: HK2104020957-4E Page 3 of 61 TABLE OF CONTENTS 1. Test Result Summary ............................................................................... 5 1.1. TEST PROCEDURES AND RESULTS ............................................................................................... 5 1.2. TEST FACILITY .................................................................................................................................. 5 1.3. MEASUREMENT UNCERTAINTY ............................................................................................................... 6 2. EUT Description ........................................................................................ 7 2.1. GENERAL DESCRIPTION OF EUT ................................................................................................... 7 2.2. OPERATION FREQUENCY EACH OF CHANNEL ........................................................................................... 8 2.3. OPERATION OF EUT DURING TESTING .................................................................................................... 8 2.4. DESCRIPTION OF TEST SETUP ....................................................................................................... 9 3. Genera Information ................................................................................. 10 3.1. TEST ENVIRONMENT AND MODE ............................................................................................................ 10 3.2. DESCRIPTION OF SUPPORT UNITS ........................................................................................................ 11 4. Test Results and Measurement Data .................................................... 12 4.1. CONDUCTED EMISSION ........................................................................................................................ 12 4.2. MAXIMUM CONDUCTED OUTPUT POWER .............................................................................................. 16 4.3. 6DB EMISSION BANDWIDTH ................................................................................................................. 18 4.4. 26DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ............................................................................ 25 4.5. POWER SPECTRAL DENSITY ................................................................................................................ 26 4.6. BAND EDGE ......................................................................................................................................... 33 4.7. SPURIOUS EMISSION ........................................................................................................................... 48 4.8. FREQUENCY STABILITY MEASUREMENT ................................................................................................ 56 4.9. ANTENNA REQUIREMENT ............................................................................................................. 58 4.10. PHOTOGRAPHS OF TEST SETUP ........................................................................................................... 59 4.11. PHOTOS OF THE EUT ..................................................................................................................... 61 Report No.: HK2104020957-4E Page 4 of 61 ** Modifited History ** Revison Description Issued Data Remark Revsion 1.0 Initial Test Report Release Apr. 07, 2021 Jason Zhou Report No.: HK2104020957-4E Page 5 of 61 1. Test Result Summary 1.1. TEST PROCEDURES AND RESULTS Requirement CFR 47 Section Result Antenna requirement §15.203 PASS AC Power Line Conducted Emission §15.207 PASS Maximum Conducted Output Power §15.407(a) PASS 6dB Emission Bandwidth §15.407(e) PASS 26dB Emission Bandwidth& 99% Occupied Bandwidth §15.407(a) N/A Power Spectral Density §15.407(a) PASS Band edge §15.407(b)/15.209/15.205 PASS Radiated Emission §15.407(b)/15.209/15.205 PASS Frequency Stab…

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Test Model：2AZO2-ENHANCEMENT01 Radiated Emission Conducted Emission