JYE Tech DSO 094 User manual

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UsersManual
ApplicableModel:09401
Two-channelOscilloscopeDSO094
Panel&Connectors
Modes&Menu
DN094-02v01/2012-05
BasicOperations
1.PoweringON/OFFtheDevice
2.SettingParameters
1)Unscrewthetwoscrewsatbackcover.Removebackcover.
Batterywasdisconnectedfortransportationreason.Youneed
connectitbeforepoweringthedeviceup.Pleasefollowthesteps
belowtoconnectbattery:
Channelconfig.
TestSignal
1Vpp/1KHz
Ch1(Y)Input
Ch2(X)Input
Ch1Couple
Select
Ch2Couple
Select
Push:powerON
Hold:powerOFF
Turn:adjustment
ToggleRUN/HOLD
Ch1(Y)Sensitiviy&Position
Ch2(X)Sensitiviy&Position
Timebase&Horizontalposition
TriggerLevel,Slope,Source,&Mode
Menu
Alternativefunctions
TestSignal
1Vpp/1KHz
Ch1(Y)Input Ch2(X)Input USBConnector
Noconnection
Ch1
V.Pos
Ch2
V.Pos
TrigPoint
Indicator Displayedportion
ofcapturebuffer
Triggerlevelindicator Ch1sensitivity,
couple,&position
Ch2sensitivity,
couple,&position
Timebase&H.Position
Triggerlevel,
slope,&source
Triggermode
YPos.
XPos.
YPos.
XPos.
Sampling
Rate
Y/TMode
Thisisthemostcommonlyusedmodethat
displayssignal-to-timerelationship.
Y/XMode
Thismodecanbeusedtographrelationships
betweentwosignals.InthismodeCh1becomesY
andCh2becomesX(seephotoatright).
MENU
MenuFunctionSummary
Item
DSOY/T
DSOY/X
SAVEWAVEFORM
RECALLWAVEFORM
SENDSCREEN
Menuisusedtoswitchmodesandperformspecialfunctions.Press[MENU]bottontoentermenu
andpress[HOLD]toexecuteselecteditem.Press[MENU]toexit.
CHANGEREC.LEN
CHANGETRIGPOS
CHANGETRIGSEN
RESTOREDEFAULT
REBOOT
Functions
SelectY/Tmode
SelectY/Xmode
SavecapturedwaveformtoEEPROM
Recallsavedwaveforms
SendscreentoPCasbitmapfile
Changerecordlength(waveformbuffersize)
Changetrigposition(pre-trigbuffersize)
Changetriggersensitivity
Restoresettingstofactorydefault
Reboottheoscilloscope(enterbootloader)
Y/XModeScreen
FirstTimePoweringUP
2)Batterywasattachedtotheinnersideofbackcover.Insertits
connectortotheheaderonPCB(markedas"BATT"atthesideof
USBconnector)asshowninthephotoatright.
3)Putbackcoverbackandscrewitup.
PowerOn -presssing[ADJ]knob
PowerOff -holdingdown[ADJ]knobforabout2-3seconds
Frequentlyoperatedparametersaregroupedintofourcatagoriesandgovernedbyfourbuttons
respectively,aslistedinthetablebelow.Whenaparameterisselectedthecorresponding
indicatorishighlighted.Turning[ADJ]knobwillchangetheparameter.
Catagory Parameters
Ch1
Vertical ØSensitivity
ØPosition
ØCouple
Ch2
Vertical ØSensitivity
ØPosition
ØCouple
SelectingButton
[CH1]
[S/DIV]
[CH2]
Horizontal ØTimebase
ØPosition
Trigger ØLevel
ØSlope
ØSource
ØMode
[TRIGGER]
Adjustment
Turning
[ADJ]
Turning
[ADJ]
Turning
[ADJ]
Turning
[ADJ]
Remarks
Coupleisdirectlysetbyslideswitchat
theleftsideofpanelandnotcontrolled
by[CH1]button.
3.SpecialFunctions
Coupleisdirectlysetbyslideswitchat
theleftsideofpanelandnotcontrolled
by[CH1]button.
Functions
ToggleHOLD/RUNstate
ButtonAction
Pressing[HOLD]
Pressing[MENU]
Explantions
Freezingwaveformsforstaticveiwing
BringupFunctionMenu Usemenutoswitchmodes,save/recallwaveforms,etc.
LCDbacklightON/OFF Holding[ALT]
FastadjustmentON/OFF Pressing[ALT]at
specificcussor
locations
Whenverticalposition(Ch1&Ch2),horizontalposition,
ortriggerlevelishighlighted(selected)pressing[ALT]will
turnonFastAdjustment,whichincreasestheadjustment
incrementalto5(or25forH.position)fromdefaultvalue1
PersistentdisplayON/OFF Pressing[ALT]when
cursorisatTimebase
Clearwaveforms Holding[S/DIV] Clearingthewholewaveformbufferaswellasdisplay
Ch10Vlevelalignment Holding[CH1] Aligning0VlevelofCh1toitspositionindicator
Ch20Vlevelalignment Holding[CH2] Aligning0VlevelofCh2toitspositionindicator
Thetablebelowlistssomefrequentlyusedspecialfunctionsandrelatedbuttonactions.
4.AboutRollingDisplayMode
WhenTimebaseissetto0.1s/DivorslowerDSO094enters.In
thismodetracesshift(rolling)fromrighttoleftacrossscreentodisplayslowsignals.
RollingDisplayMode
Connectbattery
5.Calibrationof10Xprobe
Ychannelas
triggersource
IMPORTANT
Maximunallowedinputvoltages
are50Vpkfor1Xprobeand400Vpk
for10Xprobe.
WARNING!
DONOTATTEMPTTOUSETHE
DEVICETOMEASURELIVE
LINEVOLTAGEDIRECTLY!!!.
Rev.01
Pleaserefertothetechnicalnote""(www.jyetech.com/
Support/HowToCalibrate10xProbe.pdf)fordetails.
HowtoCalibrate10XProbe

AdvancedOperations
BatteryRunningTime
TheBuilt-inBatteryCharger
FirmwareUpgrade
DSO094usesone3.7V1200mAhLi-ionbattery.Whenfullychargeditcanlast
about4hours.IfLCDbacklightisturnedoffitcanlastlonger.
Thebuilt-inchargerisprogrammedtochargebatteryatcurrentabout100mA.It
requiresabout16hourstofullychargeacompletelydischargedbattery.Tocharge
batteryconnecttheUSBporttoPCorpoweradapterwithUSBconnector.The
batterysignwillblinkindicatingchargingisundergoing.
Fromtimetotimefirmwaremayneedtobeupgradedfornewfunctionsor
improvedperformance.Thiscanbedonebythebuilt-inbootloader.Forhowthe
bootloaderworksandhowtouseitpleasereferto www.jyetech.com/Products/
LedScope/e094.php
SetupUSBConnection
TouseUSBconnectionPCdriverforCP2102needstobeinstalled.Thedrivercanbe
downloadedat . www.silabs.com/products/mcu/pages/usbtouartbridgevcpdrivers.aspx.
Windowsdriverisalsoavailableat www.jyetech.com/Support/Drivers&Tools.php
SaveCapturedWaveform
Press[MENU],scrollto"SAVEWAVEFORM"andpress[HOLD].Followscreen
instructionstosavewaveformtoselectedbuffer.
RecallSavedWaveform
SendScreenasBitmapFile
1)ConnectUSBcable.RunaPCapplicationthatcanhandleXModemProtocol
(WindowsHyperTerminal,forexample).Setcommunicationformatto
andprepareitforfilereceiving.
38400bps,
8databits,1stopbit,noparity,noflowcontrol
2)Adjustcapturedwaveformsothattheinterestedportionisdisplayedonscreen.
3)EnterMENUandexecute"SENDSCREEN".
Youwillseescreenasshowninphotoatright.
RestoreFactoryDefaultSettings
Press[MENU],scrollto"RECALLWAVEFORM"andpress[HOLD].Follow
screeninstructionstorecallsavedwaveformfromselectedbuffer.Recalledwave-
formisdisplayedunderHOLDstate.
4)Youcaneitherstartsendingbyfirstpressing
[HOLD]buttonthenenablingPCreceiving.
OryoucanfirstenablePCreceivingthenpress
[HOLD]tostartsending.Werecommendyou
usetheformersequencebecauseitusually
resultsinshorterwaittime.
ChangeRecordLength(waveformbuffersize)
ChangeTriggerPosition(Pre-trigLength)
ChangeTriggerSensitivity
Press[MENU],scrollto"RECALLWAVEFORM"andpress[HOLD].Follow
screeninstructionstoselectrecordlengthdesired.
Trigpositioniswherethetrigpointisoverthewholewaveformbuffer(seefigure
below).Youmayliketosettrigpositionclosertobufferstartortobufferend
dependingonwhichportionofwaveformsyouaremoreinterested.
InDSO094trigpositionisrepresentedaspercentageofbuffersize.Tochangeit
press[MENU],scrollto"CHANGETRIGPOS"andpress[HOLD].
Trigsensitivityistheminimumlevelrequiredtoproducetrigs.InDSO094itis
expressedasnumberofonetenthofmajorscreendivisionsize.Tochangeitp
Defaultvalueis4.
ress
[MENU],scrollto"CHANGETRIGSEN"andpress[HOLD].Theadjustable
rangeis2-40.
Pre-trigLength
BufferSize
Trigposition
Press[MENU],scrollto"RESTOREDEFAULT"andpress[HOLD].Defaultvalues
arelistedinthetableatnextpage.
Maintenance
Hint:TherebootfunctionunderMenuisaquickwaytoenterthebootloader.
PoweredFromUSB
WhenconnecttingthedevicetoUSBgoodqualitycableisstronglyrecommended.
Badcablecouldcreatetoomuchvoltagedropandconsequentlythedevicemay
notbeabletoworkproperly.
Parameter Range
Timebase
H.Position
Ch1Sen.
Ch1Couple
Ch1V.Pos.
Ch2Sen.
TriggerSlope
TriggerLevel
TriggerSrc.
TriggerPos.
Ch2Couple
Ch2V.Pos.
TriggerMode
TriggerSen.
RecordLength
WorkingMode
10M/div--0.2us/div
0--(Rec.Len.-100)
2V/div--10mV/div
DC,AC,GND
-127--+127
Auto,Normal,Single
Falling,Rising
Ch1,Ch2
0%--100%
2--40
500--8000points
Y/T,Y/X
Default
-127--+127
2V/div--10mV/div
DC,AC,GND
-127--+127
1ms/div
0
10mV/div
10mV/div
10
-10
Auto
Falling
0
Ch1
50%
4
1000
Y/T
ParameterRangesandDefaults
ChannelConfiguration
DSO094canbesettodisplaytwochannelsoronechannelonlybytheChannel
ConfigurationSwitchattop-leftcornerofpanel.Whenitissettoonechannelonly
thenot-selectedchannelisnotdisplayed.However,itssignalisstillcaptured.
NumberofChannel 2
Max.SamplingRate
AnalogBandwidth
Max.Sensitivity
Resolution
Max.RecordLength
Max.SamplingRate
FastestTimeBase
Max.InputVoltage
InputImpedance
Num.ofWaveformMem.
ScreenSize
PowerSupply
CurrentConsumption
Dimension
Weight
50MSa/s
0--10MHz
10mV/div
50Vpk(1Xprobe),400Vpk(10Xprobe)
1Mohm/20pF
8bits
8000points
0.2us/div
4
128X64
Battery/USB
~300mA
140x70x30mm
190g
TriggerModes
TriggerPosition Auto,Normal,Single 0%--100%
Specifications
Built-inTestSignal
Thebuilt-intestsignalisasquarewavesignalwithfixedfrequencyof1KHzand
amplitudeofabout1Vpeak-to-peak..
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