user manual ms access

... bằng công cụ Creat table in design view của MS Access. 5 Thực tập cơ sở Sinh viên Nguyễn Thành Bắc BÁO CÁO THỰC TẬP CƠ SỞ Đề tài: Tìm hiểu công cụ MS Access và xây dựng chương trình Quản lí Sinh ... phí thời gian, nhân lực và tiền bạc. Bởi vậy, tôi đã nghiên cứu, phân tích, tìm hiểu phần mềm MS Access và thiết ra ra chương trình”SchoolManager v1.0” để giúp việc quản lí học tập của sinh ... lần 2 Thực tập cơ sở Sinh viên Nguyễn Thành Bắc Như vậy chúng ta đã có một chương trình tạo bơi access để quản lí tình hình học tập SV, nhìn cũng rất chuyên nghiệp và tiện lợi phải không các...

... Thebatteryisnotsufficientforproperoperation. 1.4MAINTENANCE 1.4.1Pleasedonotattempttoadjustorrepairthemeterbyremovingtherearcasewhilevoltageisbeing WARNING BEEXTREMELYCAREFULINTHEUSEOFTHISMETER.Improperuseofthisdevice canresultinelectricshockordestroyofthemeter.Followallsafeguardssuggestedinthis manualandthenormalsafetyprecautionsusedinworkingwithelectricalcircuits. Donotservicethisdeviceifyouarenotqualifiedtodoso. To ensuresafeoperation,andinordertoexploittothefullthefunctionalityofthemeter, pleasefollowthedirectionsinthissectioncarefully. ThismeterhasbeendesignedaccordingtoIEC-1010concerningelectronicmeasuringinstrumentswith anovervoltagecategoryCATⅢ600Vandpollution2. Followallsafetyandoperatinginstructionstoensurethatthemeterisusedsafelyandiskeptingood operatingcondition. Withproperuseandcare,thedigitalmeterwillgiveyouyearsofsatisfactoryservice. 1.1PRELIMINARY 1.1.1Whenusingthemeter,theusermustobserveallnormalsafetyrulesconcerning: -Protectionagainstthedangersofelectricalcurrent. -Protectionofthemeteragainstmisuse. 1.1.2Whenthemeterisdelivered,checkthatithasnotbeendamagedintransit. 1.1.3Whenpoorconditionunderharshpreservationorshippingconditionscaused,inspectandconfirm thismeterwithoutdelay. 1.1.4Beforeusingtocheckforvoltage,alwaystestthemeteronaknownlivecircuittoverifythatthe detectfunctionofthemeterisworkingproperly. 1.1.5 Test leadortestclipmustbeingoodcondition.Beforeusingverifythattheinsulationontestleador testclipisnotdamagedand/ortheleadswireisnotexposed. 1.1.6Fullcompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleadssupplied. Ifnecessary,theymustbereplacedwiththesamemodelorsameelectricratings. User& apos;sManual SinoMeter MS8 211 ⑵ Test Clip:ElectricRatings600V10Aonepiece ⑶Battery:1.5V,AAAtwopieces ⑷InstructionManualonepiece RangeResolutionFunction 0.001VDisplay:readapproximateforwardvoltageof diode -ForwardDCCurrent:approx.1mA -ReversedDCVoltage:approx.1.5V -OverloadProtection:250VDCorrmsAC 3.2.6ACVoltageDetect RangeTEST Sensitivity Voltagesensitivity>50V，adjustcontinuously Frequency50Hz Distance<150mm（changealongwiththesensitivity） -Non-contactdetecting 4.OPERATINGINSTRUCTION 4.1 DATA HOLD Ifyouneeddataholdwhenmeasuring,youcanputon“DATA-H”button,itwillholdthereading;ifyouput thebuttonagain,dataholdisnotcontinue. 4.2MAXIMUMVALUEMEASURINGANDHOLD Attherangeofvoltage,youcanputon“MAX.H”button,itwillholdthemaximumvalue;ifyouputthe buttonagain,themaximumvaluewillnotbeheld. 4.3FUNCTIONTRANSFORM Putdownthe"FUNC."whenmeasuringthevoltage.MeterwillbetransformedbetweenDCandAC range.Put"FUNC."whenmeasuringtheresistance,diodeandcontinuity,meterwilltransformamong them. 4.4RANGETRANSFORM Theautorangeisusedwhenmeasuringthevoltageandresistance.Putdownthe"RANGE"ifthe manualrangeisneeded.Eachtimeyouputdown,rangewillgoupward;theminimumrangeis transformedif"RANGE"isputdownatthemaximumrange.Ifthe"RANGE"isputdownmorethantwo seconds,autorangeisusedagain. 4.5AUTOPOWEROFF Ifthere’snoanyoperationwithinfifteenminutesafterpowerison,meterwillautopoweroffwithfiveshort soundsandalongsoundinaminute. Afterautopoweroff,ifstirthetransformswitchorputdownanybuttonof“FUNC.”, “DATA-H”,”MAX.H”,”RANGE”,meterwillrecovertheworkingcondition. Ifpressesthe“FUNC.”whenpowerison,autopoweroffdisable. NOTE: AttheTESTrange(ACVdetecting),thereisnoautopowerofffunction 4.6PREPARATIONFORMEASUREMENT 4.6.1Setthetransformswitchtotherightrange.Atthemanualrange,whenthevaluescaletobe 4.12.1Rotatetheprobesocketanti-clockwisetospintheprobeintothemeter. 4.12.2Setthetransformswitchatthe Vrangeposition. 4.12.3Besurethatthedisplayisnot shown“ ”,otherwise,the batteryshouldbereplaced. 4.12.4Setthetransformswitchto theTESTrange.ThenthegreenLEDoftheLEDIndicatorisbright. 4.12.5Rotatethesensitivityadjustingknobinthemiddleofthetransformswitchanti-clockwise,setthe meter tothehighestdetectingsensitivityinordertoenlargethedetectingrange. 4.12.6Puttheprobesocketclosetotheleadorthepowersocket,IfACelectricalvoltageispresent,the redLEDIndicatorwhichinfrontofthemeterwillflashandtheaudiblewarningwillsound. 4.12.7Intheplaceswithmanyleadsandjacks,rotatethesensitivityadjustingknobinthemiddleofthe transformswitchclockwise,setthemetertothelowerdetectingsensitivityinordertoconfirmwhichone iselectriferous. NOTE: -WhenusingACVdetectingfunction,alwayssetthemetertothehighestsensitivity. -Inthisrange,eventhoughthereisnoanysoundandlightindication,themeterwillstillconsume electricity. -Thereisnoautopowerofffunctioninthisrange. -AlwayssetthepowerswitchtotheOFFpositionwhenthemeterisnotinuse. 5.MAINTENANCE 5.1BATTERYREPLACEMENT WARNING Beforeattemptingtoopenthebatterycoverofthemeter,besurethattheprobetipofthe meterandtestlead(ortestclip)havebeendisconnectedfrommeasurementcircuitto avoidelectricshockhazard. 5.1.1Ifthesign‘ ’ appearsontheLCDdisplay,itindicatesthatthebatteryshouldbereplaced. 5.1.2Loosenthescrewfixingthebatterycoverandremoveit. 5.1.3Replacetheexhaustedbatterywithanewone. 5.1.4Putthebatterycoverasitsorigin. 5.2TESTLEADS(ORTESTCLIP)REPLACEMENT WARNING Fullincompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleads supplied.Ifnecessary,theymustbereplacedwiththesamemodelorsameelectric ratings.Electricratingsofthetestleads:600V10A. Youmustbereplacedthetestleadiftheleadisexposed. 6.ACCESSORIES ⑴ Test Lead:ElectricRatings600V10Aonepiece (ortestclip)totheother side. 4.8.6Youcangetreadingfrom LCDdisplay. WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VrmsAC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringvoltage. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whentestleadstouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangeatthehighestpositionandsetdowngradually. -TransformtothemanualrangewhenusethemVrange. 4.9MEASURINGRESISTANCE 4.9.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.9.2InserttheblacktestleadortestclipintheCOMjack. 4.9.3Setthetransformswitchatthe(rangeposition. Autorangeormanualrangecanbe transformedbyputtingthe“RANGE”. 4.9.4Connecttheprobetipofthe metertoonesideofthetested circuitandprobetipofthetest lead(ortestclip)totheotherside. 4.9.5YoucangetreadingfromLCDdisplay. WARNING RiskofElectrocution. Whenmeasuringin-circuitresistance,besurethecircuitundertesthasallpower removedandthatallcapacitorshavebeendischargedfully. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Formeasuringresistanceabove1MΩ,themetermaytakeafewsecondstogetstablereading. -Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL ’ willbedisplayedfortheoverrange condition. 3.2.1DCVoltage RangeResolutionAccuracy 200mV0.1mV 2V0.001V 20V0.01V ±（0.7%ofrdg+2digits） 200V0.1V 600V1V -InputImpedance:10MΩ -OverloadProtection:200mVrange:250VDCorACrms, 2V-600Vranges:DC600VorAC600Vrms. -Max.InputVoltage:600VDC 3.2.2ACVoltage RangeResolutionAccuracy 200mV0.1mV 2V0.001V ±（0.8%ofrdg+3digits） 20V0.01V 200V0.1V 600V1V±（1.0%ofrdg+3digits） -InputImpedance:10MΩ -OverloadProtection:200mVrange:250VDCorACrms, 2V-600Vranges:DC600VorAC600Vrms. -FrequencyRange:40to400Hz -Response:Average,calibratedinrmsofsinewave. -Max.InputVoltage:600VrmsAC 3.2.3Resistance RangeResolutionAccuracy 200Ω0.1Ω ±（1.0%ofrdg+3digits） 2kΩ0.001kΩ 20kΩ0.01kΩ±（1.0%ofrdg+1digit） 200kΩ0.1kΩ 2MΩ0.001MΩ 20MΩ0.01MΩ ±（1.0%ofrdg+5digits） -OpenCircuitVoltage:0.25V -OverloadProtection:250VDCorrmsAC 3.2.4Continuity RangeFunction Built-inbuzzerwillsound,ifresistanceislowerthan50(. -Opencircuitvoltage:approx.0.5V -OverloadProtection:250VDCorrmsAC 3.2.5Diode 4.10TESTINGDIODE 4.10.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.10.2InserttheblacktestleadortestclipintheCOMjack. 4.10.3Setthetransformswitchatthe rangeposition. 4.10.4putdownthe"FUNC."transformedat test. 4.10.5Connecttheprobetipofthemetertotheanodeofthediode, theblacktestlead(ortestclip)tothecathodeofthediode. 4.10.6YoucangetreadingfromLCDdisplay. NOTE: -Themeterwillshowthe approximateforwardvoltage dropofthediode. -Ifthemeterandtheleadconnectionisreversed,onlyfigure‘OL ’ willbedisplayed. -Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL ’ willbedisplayed. 4.11CONTINUITYTEST WARNING RiskofElectrocution. Whentestingthecircuitcontinuity,besurethatthepowerofthecircuithasbeenshut downandallcapacitorshavebeendischargedfully. 4.11.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.11.2InserttheblacktestleadortestclipintheCOMjack. 4.11.3Setthetransformswitch atthe rangeposition. 4.11.4Putdownthe"FUNC." transformedat continuitytest. 4.11.5Connecttheprobetipof themetertoonesideofthetestedcircuitandprobetipofthetestlead(ortestclip)totheotherside. 4.11.6Ifcontinuityexists(i.e.,resistancelessthanabout50Ω),built-inbuzzerwillsound. NOTE: -Iftheinputopencircuit(orthecircuitresistancemeasuredishigherthan200Ω),thenthefigure‘0L ’ will bedisplayed. 4.12ACVOLTAGEDETECT WARNING RiskofElectrocution. Whendetectingpayattentiontoavoidgettinganelectricshock. Beforeusingtocheckforvoltageinanoutlet,alwaystestthemeteronaknownlive circuittoverifythattheACvoltagedetectfunctionofthemeterisworkingproperly. keepfingersbehindtheprobebarrierwhilemeasuring. measuredisunknownbeforehand,selectthehighestrange. 4.6.2Whenmeasuring,atfirst,connecttothepublic(COM)testingline,thenconnecttheprobetipofthe metertothecircuitundertest. 4.6.3Ifthebatteryvoltageislessthan2.4V,displaywillshow“ ”,thebatteryshouldbechangedatthis time. 4.7DCVOLTAGEMEASURING WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VDC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringhighvoltage. 4.7.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.7.2InserttheblacktestleadortestclipintheCOMjack. 4.7.3Setthetransformswitchatthe V rangeposition. 4.7.4Pressthe"FUNC."Button totransformtoDCmeasurement. Autorangeandmanualrange canbetransformedby pressingthe“RANGE” button. 4.7.5Connecttheprobetipofthemeterandprobetipofthetestlead(ortestclip)acrossthepower sourceorbeloadedonthetwosidesundermeasurement. 4.7.6YoucangetareadingfromLCDdisplay.Thepolarityofthetestedterminalwhichthetipofthe meterconnectionwillbeindicated. NOTE: -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whenmetertouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangetothehighestpositionandsetdowngradually. 4.8MEASURINGACVOLTAGE 4.8.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.8.2InserttheblacktestleadortestclipintheCOMjack. 4.8.3SetthetransformswitchattheVrangeposition. 4.8.4Autorangeandmanualrangecanbetransformedbyputtingthe“RANGE”. 4.8.5Connecttheprobetipofthemeter toonesideofthetestedcircuit andprobetipofthetestlead ... MS8 211 ⑵ Test Clip:ElectricRatings600V10Aonepiece ⑶Battery:1.5V,AAAtwopieces ⑷InstructionManualonepiece RangeResolutionFunction 0.001VDisplay:readapproximateforwardvoltageof diode -ForwardDCCurrent:approx.1mA -ReversedDCVoltage:approx.1.5V -OverloadProtection:250VDCorrmsAC 3.2.6ACVoltageDetect RangeTEST Sensitivity Voltagesensitivity>50V，adjustcontinuously Frequency50Hz Distance<150mm（changealongwiththesensitivity） -Non-contactdetecting 4.OPERATINGINSTRUCTION 4.1 DATA HOLD Ifyouneeddataholdwhenmeasuring,youcanputon“DATA-H”button,itwillholdthereading;ifyouput thebuttonagain,dataholdisnotcontinue. 4.2MAXIMUMVALUEMEASURINGANDHOLD Attherangeofvoltage,youcanputon“MAX.H”button,itwillholdthemaximumvalue;ifyouputthe buttonagain,themaximumvaluewillnotbeheld. 4.3FUNCTIONTRANSFORM Putdownthe"FUNC."whenmeasuringthevoltage.MeterwillbetransformedbetweenDCandAC range.Put"FUNC."whenmeasuringtheresistance,diodeandcontinuity,meterwilltransformamong them. 4.4RANGETRANSFORM Theautorangeisusedwhenmeasuringthevoltageandresistance.Putdownthe"RANGE"ifthe manualrangeisneeded.Eachtimeyouputdown,rangewillgoupward;theminimumrangeis transformedif"RANGE"isputdownatthemaximumrange.Ifthe"RANGE"isputdownmorethantwo seconds,autorangeisusedagain. 4.5AUTOPOWEROFF Ifthere’snoanyoperationwithinfifteenminutesafterpowerison,meterwillautopoweroffwithfiveshort soundsandalongsoundinaminute. Afterautopoweroff,ifstirthetransformswitchorputdownanybuttonof“FUNC.”, “DATA-H”,”MAX.H”,”RANGE”,meterwillrecovertheworkingcondition. Ifpressesthe“FUNC.”whenpowerison,autopoweroffdisable. NOTE: AttheTESTrange(ACVdetecting),thereisnoautopowerofffunction 4.6PREPARATIONFORMEASUREMENT 4.6.1Setthetransformswitchtotherightrange.Atthemanualrange,whenthevaluescaletobe 4.12.1Rotatetheprobesocketanti-clockwisetospintheprobeintothemeter. 4.12.2Setthetransformswitchatthe Vrangeposition. 4.12.3Besurethatthedisplayisnot shown“ ”,otherwise,the batteryshouldbereplaced. 4.12.4Setthetransformswitchto theTESTrange.ThenthegreenLEDoftheLEDIndicatorisbright. 4.12.5Rotatethesensitivityadjustingknobinthemiddleofthetransformswitchanti-clockwise,setthe meter tothehighestdetectingsensitivityinordertoenlargethedetectingrange. 4.12.6Puttheprobesocketclosetotheleadorthepowersocket,IfACelectricalvoltageispresent,the redLEDIndicatorwhichinfrontofthemeterwillflashandtheaudiblewarningwillsound. 4.12.7Intheplaceswithmanyleadsandjacks,rotatethesensitivityadjustingknobinthemiddleofthe transformswitchclockwise,setthemetertothelowerdetectingsensitivityinordertoconfirmwhichone iselectriferous. NOTE: -WhenusingACVdetectingfunction,alwayssetthemetertothehighestsensitivity. -Inthisrange,eventhoughthereisnoanysoundandlightindication,themeterwillstillconsume electricity. -Thereisnoautopowerofffunctioninthisrange. -AlwayssetthepowerswitchtotheOFFpositionwhenthemeterisnotinuse. 5.MAINTENANCE 5.1BATTERYREPLACEMENT WARNING Beforeattemptingtoopenthebatterycoverofthemeter,besurethattheprobetipofthe meterandtestlead(ortestclip)havebeendisconnectedfrommeasurementcircuitto avoidelectricshockhazard. 5.1.1Ifthesign‘ ’ appearsontheLCDdisplay,itindicatesthatthebatteryshouldbereplaced. 5.1.2Loosenthescrewfixingthebatterycoverandremoveit. 5.1.3Replacetheexhaustedbatterywithanewone. 5.1.4Putthebatterycoverasitsorigin. 5.2TESTLEADS(ORTESTCLIP)REPLACEMENT WARNING Fullincompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleads supplied.Ifnecessary,theymustbereplacedwiththesamemodelorsameelectric ratings.Electricratingsofthetestleads:600V10A. Youmustbereplacedthetestleadiftheleadisexposed. 6.ACCESSORIES ⑴ Test Lead:ElectricRatings600V10Aonepiece (ortestclip)totheother side. 4.8.6Youcangetreadingfrom LCDdisplay. WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VrmsAC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringvoltage. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whentestleadstouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangeatthehighestpositionandsetdowngradually. -TransformtothemanualrangewhenusethemVrange. 4.9MEASURINGRESISTANCE 4.9.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.9.2InserttheblacktestleadortestclipintheCOMjack. 4.9.3Setthetransformswitchatthe(rangeposition. Autorangeormanualrangecanbe transformedbyputtingthe“RANGE”. 4.9.4Connecttheprobetipofthe metertoonesideofthetested circuitandprobetipofthetest lead(ortestclip)totheotherside. 4.9.5YoucangetreadingfromLCDdisplay. WARNING RiskofElectrocution. Whenmeasuringin-circuitresistance,besurethecircuitundertesthasallpower removedandthatallcapacitorshavebeendischargedfully. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Formeasuringresistanceabove1MΩ,themetermaytakeafewsecondstogetstablereading. -Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL ’ willbedisplayedfortheoverrange condition. 3.2.1DCVoltage RangeResolutionAccuracy 200mV0.1mV 2V0.001V 20V0.01V ±（0.7%ofrdg+2digits） 200V0.1V 600V1V -InputImpedance:10MΩ -OverloadProtection:200mVrange:250VDCorACrms, 2V-600Vranges:DC600VorAC600Vrms. -Max.InputVoltage:600VDC 3.2.2ACVoltage RangeResolutionAccuracy 200mV0.1mV 2V0.001V ±（0.8%ofrdg+3digits） 20V0.01V 200V0.1V 600V1V±（1.0%ofrdg+3digits） -InputImpedance:10MΩ -OverloadProtection:200mVrange:250VDCorACrms, 2V-600Vranges:DC600VorAC600Vrms. -FrequencyRange:40to400Hz -Response:Average,calibratedinrmsofsinewave. -Max.InputVoltage:600VrmsAC 3.2.3Resistance RangeResolutionAccuracy 200Ω0.1Ω ±（1.0%ofrdg+3digits） 2kΩ0.001kΩ 20kΩ0.01kΩ±（1.0%ofrdg+1digit） 200kΩ0.1kΩ 2MΩ0.001MΩ 20MΩ0.01MΩ ±（1.0%ofrdg+5digits） -OpenCircuitVoltage:0.25V -OverloadProtection:250VDCorrmsAC 3.2.4Continuity RangeFunction Built-inbuzzerwillsound,ifresistanceislowerthan50(. -Opencircuitvoltage:approx.0.5V -OverloadProtection:250VDCorrmsAC 3.2.5Diode 4.10TESTINGDIODE 4.10.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.10.2InserttheblacktestleadortestclipintheCOMjack. 4.10.3Setthetransformswitchatthe rangeposition. 4.10.4putdownthe"FUNC."transformedat test. 4.10.5Connecttheprobetipofthemetertotheanodeofthediode, theblacktestlead(ortestclip)tothecathodeofthediode. 4.10.6YoucangetreadingfromLCDdisplay. NOTE: -Themeterwillshowthe approximateforwardvoltage dropofthediode. -Ifthemeterandtheleadconnectionisreversed,onlyfigure‘OL ’ willbedisplayed. -Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL ’ willbedisplayed. 4.11CONTINUITYTEST WARNING RiskofElectrocution. Whentestingthecircuitcontinuity,besurethatthepowerofthecircuithasbeenshut downandallcapacitorshavebeendischargedfully. 4.11.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.11.2InserttheblacktestleadortestclipintheCOMjack. 4.11.3Setthetransformswitch atthe rangeposition. 4.11.4Putdownthe"FUNC." transformedat continuitytest. 4.11.5Connecttheprobetipof themetertoonesideofthetestedcircuitandprobetipofthetestlead(ortestclip)totheotherside. 4.11.6Ifcontinuityexists(i.e.,resistancelessthanabout50Ω),built-inbuzzerwillsound. NOTE: -Iftheinputopencircuit(orthecircuitresistancemeasuredishigherthan200Ω),thenthefigure‘0L ’ will bedisplayed. 4.12ACVOLTAGEDETECT WARNING RiskofElectrocution. Whendetectingpayattentiontoavoidgettinganelectricshock. Beforeusingtocheckforvoltageinanoutlet,alwaystestthemeteronaknownlive circuittoverifythattheACvoltagedetectfunctionofthemeterisworkingproperly. keepfingersbehindtheprobebarrierwhilemeasuring. measuredisunknownbeforehand,selectthehighestrange. 4.6.2Whenmeasuring,atfirst,connecttothepublic(COM)testingline,thenconnecttheprobetipofthe metertothecircuitundertest. 4.6.3Ifthebatteryvoltageislessthan2.4V,displaywillshow“ ”,thebatteryshouldbechangedatthis time. 4.7DCVOLTAGEMEASURING WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VDC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringhighvoltage. 4.7.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.7.2InserttheblacktestleadortestclipintheCOMjack. 4.7.3Setthetransformswitchatthe V rangeposition. 4.7.4Pressthe"FUNC."Button totransformtoDCmeasurement. Autorangeandmanualrange canbetransformedby pressingthe“RANGE” button. 4.7.5Connecttheprobetipofthemeterandprobetipofthetestlead(ortestclip)acrossthepower sourceorbeloadedonthetwosidesundermeasurement. 4.7.6YoucangetareadingfromLCDdisplay.Thepolarityofthetestedterminalwhichthetipofthe meterconnectionwillbeindicated. NOTE: -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whenmetertouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangetothehighestpositionandsetdowngradually. 4.8MEASURINGACVOLTAGE 4.8.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.8.2InserttheblacktestleadortestclipintheCOMjack. 4.8.3SetthetransformswitchattheVrangeposition. 4.8.4Autorangeandmanualrangecanbetransformedbyputtingthe“RANGE”. 4.8.5Connecttheprobetipofthemeter toonesideofthetestedcircuit andprobetipofthetestlead ... MS8 211 ⑵ Test Clip:ElectricRatings600V10Aonepiece ⑶Battery:1.5V,AAAtwopieces ⑷InstructionManualonepiece RangeResolutionFunction 0.001VDisplay:readapproximateforwardvoltageof diode -ForwardDCCurrent:approx.1mA -ReversedDCVoltage:approx.1.5V -OverloadProtection:250VDCorrmsAC 3.2.6ACVoltageDetect RangeTEST Sensitivity Voltagesensitivity>50V，adjustcontinuously Frequency50Hz Distance<150mm（changealongwiththesensitivity） -Non-contactdetecting 4.OPERATINGINSTRUCTION 4.1 DATA HOLD Ifyouneeddataholdwhenmeasuring,youcanputon“DATA-H”button,itwillholdthereading;ifyouput thebuttonagain,dataholdisnotcontinue. 4.2MAXIMUMVALUEMEASURINGANDHOLD Attherangeofvoltage,youcanputon“MAX.H”button,itwillholdthemaximumvalue;ifyouputthe buttonagain,themaximumvaluewillnotbeheld. 4.3FUNCTIONTRANSFORM Putdownthe"FUNC."whenmeasuringthevoltage.MeterwillbetransformedbetweenDCandAC range.Put"FUNC."whenmeasuringtheresistance,diodeandcontinuity,meterwilltransformamong them. 4.4RANGETRANSFORM Theautorangeisusedwhenmeasuringthevoltageandresistance.Putdownthe"RANGE"ifthe manualrangeisneeded.Eachtimeyouputdown,rangewillgoupward;theminimumrangeis transformedif"RANGE"isputdownatthemaximumrange.Ifthe"RANGE"isputdownmorethantwo seconds,autorangeisusedagain. 4.5AUTOPOWEROFF Ifthere’snoanyoperationwithinfifteenminutesafterpowerison,meterwillautopoweroffwithfiveshort soundsandalongsoundinaminute. Afterautopoweroff,ifstirthetransformswitchorputdownanybuttonof“FUNC.”, “DATA-H”,”MAX.H”,”RANGE”,meterwillrecovertheworkingcondition. Ifpressesthe“FUNC.”whenpowerison,autopoweroffdisable. NOTE: AttheTESTrange(ACVdetecting),thereisnoautopowerofffunction 4.6PREPARATIONFORMEASUREMENT 4.6.1Setthetransformswitchtotherightrange.Atthemanualrange,whenthevaluescaletobe 4.12.1Rotatetheprobesocketanti-clockwisetospintheprobeintothemeter. 4.12.2Setthetransformswitchatthe Vrangeposition. 4.12.3Besurethatthedisplayisnot shown“ ”,otherwise,the batteryshouldbereplaced. 4.12.4Setthetransformswitchto theTESTrange.ThenthegreenLEDoftheLEDIndicatorisbright. 4.12.5Rotatethesensitivityadjustingknobinthemiddleofthetransformswitchanti-clockwise,setthe meter tothehighestdetectingsensitivityinordertoenlargethedetectingrange. 4.12.6Puttheprobesocketclosetotheleadorthepowersocket,IfACelectricalvoltageispresent,the redLEDIndicatorwhichinfrontofthemeterwillflashandtheaudiblewarningwillsound. 4.12.7Intheplaceswithmanyleadsandjacks,rotatethesensitivityadjustingknobinthemiddleofthe transformswitchclockwise,setthemetertothelowerdetectingsensitivityinordertoconfirmwhichone iselectriferous. NOTE: -WhenusingACVdetectingfunction,alwayssetthemetertothehighestsensitivity. -Inthisrange,eventhoughthereisnoanysoundandlightindication,themeterwillstillconsume electricity. -Thereisnoautopowerofffunctioninthisrange. -AlwayssetthepowerswitchtotheOFFpositionwhenthemeterisnotinuse. 5.MAINTENANCE 5.1BATTERYREPLACEMENT WARNING Beforeattemptingtoopenthebatterycoverofthemeter,besurethattheprobetipofthe meterandtestlead(ortestclip)havebeendisconnectedfrommeasurementcircuitto avoidelectricshockhazard. 5.1.1Ifthesign‘ ’ appearsontheLCDdisplay,itindicatesthatthebatteryshouldbereplaced. 5.1.2Loosenthescrewfixingthebatterycoverandremoveit. 5.1.3Replacetheexhaustedbatterywithanewone. 5.1.4Putthebatterycoverasitsorigin. 5.2TESTLEADS(ORTESTCLIP)REPLACEMENT WARNING Fullincompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleads supplied.Ifnecessary,theymustbereplacedwiththesamemodelorsameelectric ratings.Electricratingsofthetestleads:600V10A. Youmustbereplacedthetestleadiftheleadisexposed. 6.ACCESSORIES ⑴ Test Lead:ElectricRatings600V10Aonepiece (ortestclip)totheother side. 4.8.6Youcangetreadingfrom LCDdisplay. WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VrmsAC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringvoltage. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whentestleadstouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangeatthehighestpositionandsetdowngradually. -TransformtothemanualrangewhenusethemVrange. 4.9MEASURINGRESISTANCE 4.9.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.9.2InserttheblacktestleadortestclipintheCOMjack. 4.9.3Setthetransformswitchatthe(rangeposition. Autorangeormanualrangecanbe transformedbyputtingthe“RANGE”. 4.9.4Connecttheprobetipofthe metertoonesideofthetested circuitandprobetipofthetest lead(ortestclip)totheotherside. 4.9.5YoucangetreadingfromLCDdisplay. WARNING RiskofElectrocution. Whenmeasuringin-circuitresistance,besurethecircuitundertesthasallpower removedandthatallcapacitorshavebeendischargedfully. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Formeasuringresistanceabove1MΩ,themetermaytakeafewsecondstogetstablereading. -Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL ’ willbedisplayedfortheoverrange condition. 3.2.1DCVoltage RangeResolutionAccuracy 200mV0.1mV 2V0.001V 20V0.01V ±（0.7%ofrdg+2digits） 200V0.1V 600V1V -InputImpedance:10MΩ -OverloadProtection:200mVrange:250VDCorACrms, 2V-600Vranges:DC600VorAC600Vrms. -Max.InputVoltage:600VDC 3.2.2ACVoltage RangeResolutionAccuracy 200mV0.1mV 2V0.001V ±（0.8%ofrdg+3digits） 20V0.01V 200V0.1V 600V1V±（1.0%ofrdg+3digits） -InputImpedance:10MΩ -OverloadProtection:200mVrange:250VDCorACrms, 2V-600Vranges:DC600VorAC600Vrms. -FrequencyRange:40to400Hz -Response:Average,calibratedinrmsofsinewave. -Max.InputVoltage:600VrmsAC 3.2.3Resistance RangeResolutionAccuracy 200Ω0.1Ω ±（1.0%ofrdg+3digits） 2kΩ0.001kΩ 20kΩ0.01kΩ±（1.0%ofrdg+1digit） 200kΩ0.1kΩ 2MΩ0.001MΩ 20MΩ0.01MΩ ±（1.0%ofrdg+5digits） -OpenCircuitVoltage:0.25V -OverloadProtection:250VDCorrmsAC 3.2.4Continuity RangeFunction Built-inbuzzerwillsound,ifresistanceislowerthan50(. -Opencircuitvoltage:approx.0.5V -OverloadProtection:250VDCorrmsAC 3.2.5Diode 4.10TESTINGDIODE 4.10.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.10.2InserttheblacktestleadortestclipintheCOMjack. 4.10.3Setthetransformswitchatthe rangeposition. 4.10.4putdownthe"FUNC."transformedat test. 4.10.5Connecttheprobetipofthemetertotheanodeofthediode, theblacktestlead(ortestclip)tothecathodeofthediode. 4.10.6YoucangetreadingfromLCDdisplay. NOTE: -Themeterwillshowthe approximateforwardvoltage dropofthediode. -Ifthemeterandtheleadconnectionisreversed,onlyfigure‘OL ’ willbedisplayed. -Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL ’ willbedisplayed. 4.11CONTINUITYTEST WARNING RiskofElectrocution. Whentestingthecircuitcontinuity,besurethatthepowerofthecircuithasbeenshut downandallcapacitorshavebeendischargedfully. 4.11.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.11.2InserttheblacktestleadortestclipintheCOMjack. 4.11.3Setthetransformswitch atthe rangeposition. 4.11.4Putdownthe"FUNC." transformedat continuitytest. 4.11.5Connecttheprobetipof themetertoonesideofthetestedcircuitandprobetipofthetestlead(ortestclip)totheotherside. 4.11.6Ifcontinuityexists(i.e.,resistancelessthanabout50Ω),built-inbuzzerwillsound. NOTE: -Iftheinputopencircuit(orthecircuitresistancemeasuredishigherthan200Ω),thenthefigure‘0L ’ will bedisplayed. 4.12ACVOLTAGEDETECT WARNING RiskofElectrocution. Whendetectingpayattentiontoavoidgettinganelectricshock. Beforeusingtocheckforvoltageinanoutlet,alwaystestthemeteronaknownlive circuittoverifythattheACvoltagedetectfunctionofthemeterisworkingproperly. keepfingersbehindtheprobebarrierwhilemeasuring. measuredisunknownbeforehand,selectthehighestrange. 4.6.2Whenmeasuring,atfirst,connecttothepublic(COM)testingline,thenconnecttheprobetipofthe metertothecircuitundertest. 4.6.3Ifthebatteryvoltageislessthan2.4V,displaywillshow“ ”,thebatteryshouldbechangedatthis time. 4.7DCVOLTAGEMEASURING WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VDC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringhighvoltage. 4.7.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.7.2InserttheblacktestleadortestclipintheCOMjack. 4.7.3Setthetransformswitchatthe V rangeposition. 4.7.4Pressthe"FUNC."Button totransformtoDCmeasurement. Autorangeandmanualrange canbetransformedby pressingthe“RANGE” button. 4.7.5Connecttheprobetipofthemeterandprobetipofthetestlead(ortestclip)acrossthepower sourceorbeloadedonthetwosidesundermeasurement. 4.7.6YoucangetareadingfromLCDdisplay.Thepolarityofthetestedterminalwhichthetipofthe meterconnectionwillbeindicated. NOTE: -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whenmetertouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangetothehighestpositionandsetdowngradually. 4.8MEASURINGACVOLTAGE 4.8.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.8.2InserttheblacktestleadortestclipintheCOMjack. 4.8.3SetthetransformswitchattheVrangeposition. 4.8.4Autorangeandmanualrangecanbetransformedbyputtingthe“RANGE”. 4.8.5Connecttheprobetipofthemeter toonesideofthetestedcircuit andprobetipofthetestlead ...

... toán.Và đây cũng chính là công cụ giúp em chọn đề tài: “HẠCH TOÁN VỐN BẰNG TIỀN BẰNG PHẦN MỀM MS ACCESS . + Hạch toán tiền đang chuyển kế toán sử dụng TK 113” tiền đang chuyển” tài khoản này...

... Lựa chọn công cụ phát triển 5 2. Môi trờng làm việc 6 II. Tổng quan về hệ quản trị cơ sở dữ liệu MS ACCESS 6 III. Giới thiệu tổng quát ngôn ngữ lập trình VISUAL BASIC 7 Chơng III : Phân Tích và ... ỏn ny em s trỡnh by quỏ trỡnh phõn tớch, thit k cho h thng qun lý nhân sự vi h qun tr c s d liu MS Access ca hóng Microsoft. V ngụn ng xõy dng cho phn mm ny l Visual basic Ni dung ca ỏn bao gm: ã ... Basic inh Xuõn Lõm 6. C S D Liu Visual Basic Nguyn Th Ngc Mai 7. Tin Hc Vn Phũng Access 2000 Nguyn S Dng 8. Lp Trỡnh Access 2000 ễng Vn Thụng Tin 43A 37 Website: http://www.docs.vn Email : lienhe@docs.vn...

... hiểu phần mềm và khả năng của Access. 1. Phần mềm Microsoft Access: Microsoft Access gọi tắt là Access, là hệ QTCSDL do hãng Microsoft sản xuất. 2. Khả năng của Access: Cung cấp các công cụ ... dữ liệu MS Access §3 GIỚI THIỆU MICROSOFT ACCESS I. Mục tiêu: 1. Về kiến thức: Giúp học sinh - Biết những khả năng chung của Access như một hệ QTCSDL - Biết bốn đối tượng cơ bản trong Access: ... các thao tác. - Xung phong. IV. Củng cố: Access là gì? Các chức năng chính của Access? Nắm các đối tượng của Access, Cách khởi động và thoát khỏi Access? V. Dặn dò: - Về nhà xem lại bài. -...

... THIU MICROSOFT ACCESS THPT NGUYN TRI 4. Mt s thao tỏc c bn Cách 1: Từ bảng chọn Start ALL Programs Microsoft Access. a. Khởi động ACCESS Cách 2: Nháy đúp vào biểu tượng Access trên màn ... MICROSOFT ACCESS THPT NGUYN TRI  C¸ch 1: File → Exit.  C¸ch 2: Nh¸y nót ë gãc trªn bªn ph¶i mµn h×nh lµm viÖc cña Access e. KÕt thóc phiªn lµm viÖc víi Access BÀI 3 GIỚI THIỆU MICROSOFT ACCESS THPT ... THIU MICROSOFT ACCESS THPT NGUYN TRI Vớ d : Xột bi toỏn qun lý hc sinh trờn access Bảng (Table) Mẫu hỏi (Query) Biểu mẫu (Form) Báo cáo (Report) Lưu ý : Mỗi đối tượng được Access quản...

... Phn mm MS Access Phn mm Ms Access (gi tt l Access) l h QTCSDL nm trong b phn mm MS Office ca hóng MS dnh cho mỏy tớnh cỏ nhõn v mỏy tớnh chy trong mng cc b. Hot ng 2: CC KH NNG CA ACCESS Hot ... nht? Vỡ sao? 3/. Bi mi : Hot ng 1: Phn mm MS Access Hot ng ca GV v HS Ni Dung GV: yờu cu hc sinh nghiờn cu sỏch giỏo khoa v cho bit khỏi nim v phn mm MS Access? HS: Xem SGK GV:Gi mt hc sinh tr ... CSDL GV: Yờu cu hc sinh nghiờn cu sỏch giỏo khoa v cho bit cỏc kh nng ca Access. . 2. Cỏc kh nng ca Access. Cỏc kh nng ca Access: Cung cp cỏc cụng c to lp, lu tr, cp nht v khai thỏc d liu + To...

... thoai hiển thị như hình 4. Hình 4: Bạn có thể thay đổi cách Access lưu giữ thông tin ở hộp thoại này. 1. Chỉ rõ cách bạn muốn Access giữ thông tin đã được lưu thông qua mặt nạ nhập liệu. ... muốn, hãy thay đổi dấu ngăn cách mà input mask sẽ sử dụng (thường mặc định là dấu gạch chân). MS Access - Bài 16: Kiểm tra cách trình bày của bạn Sau khi đã định rõ được cách bố trí bảng, ... là 10 ký tự, bạn nên lưu giá trị không dùng định dạng các ký tự. 2. Kích chuột vào nút Next. Access hiển thị hộp thoại cuối cùng như hình Credit Limit 1500 Last Order 7/8/99 Active Yes (select...

... Query Language  Ngôn ngữ truy xuất CSDL quan hệ  Là phương tiện được sử dụng để trao đổi với DBMS  Câu lệnh giống ngôn ngữ tiếng Anh (dễ đọc, dễ hiểu hơn tiếng Anh). 4.1 SQL  Lọc nhóm: HAVING  Dùng...

... vấn mà bạn muốn nhập vào Filter và chọn OK. Access tải Filter. Bạn có thể sử dụng Filter hoặc thực hiện bất kỳ thay đổi để lọc như bạn muốn. MS Access - Bài 19: Lọc dữ liệu hiển thị tới ... Access hiển thị. Khi xác định một filter, bạn chỉ định tiêu chuẩn mà dữ liệu cần có trước khi Access hiển thị nó. Ví dụ, một filter liệt kê các bản ghi về công nhân sống ở New York. Access ... hình 2. (Chú ý rằng Access tự động thêm dấu trích dẫn quanh tên nhà cung cấp) Hình 2: Tạo một filter đơn giản 4. Kích chuột vào Apply Tilter trên thanh công cụ. Access áp dụng các quy...

... Using Wizard trong cửa sổ Database (hình 2). MS Access - Bài 22: Sử dụng Query Wizards Hình 16: Hiển thị thông tin thêm. Trong hộp thoại này, Access hỏi nếu bạn muốn truy vấn hiển thị thêm ... chuột vào nút Next. Access sẽ hiển thị hộ thoại như hình 12. Hình 12: Access hỏi bạn về tên truy vấn Ở hộp thoại này, bạn hoàn thành việc tạo truy vấn và cần lưu nó lại. Access hỏi bạn tên ... này, kích chuột vào nút Finish để chấp nhận tên đó. Access lưu truy vấn dưới tên này và cập nhật danh sách truy vấn trong cửa sổ Database. Access mở truy vấn để hiển thị kết quả vừa hoàn thành...

... một bảng, Access trình bày các bản ghi theo các dòng. MS Access - Chương 1: Thuật ngữ Access Access cung cấp môi trường với các tiện ích mạnh mẽ để quản lý thông tin. Sử dụng Access, bạn ... khởi động Access • Môi trường làm việc của Access • Wizards trợ giúp như thế nào • Làm cách nào để nhận được sự trợ giúp khi sử dụng Access • Có thể sử dụng cả cơ sở dữ liệu và Access • ... Có thể sử dụng cả cơ sở dữ liệu và Access • Cách thoát khỏi Access Bài 1: Làm quen với Access Trước khi đi sâu vào môi trường Access, có một vài thuật ngữ mà bạn cần phải làm quen. Chúng...