Tus neeg siv phau ntawv

13
LEVEL...................(29)
Todisplayasynchronizedstationarywaveformandsetastartpointforthewaveform.
Towards:"+":
Towards:"-":Thetriggeringlevelmovesdownwardonthedisplaywaveform.
TRIGGERMODE.......................(26)
Selectthedesiredtriggermode.
AUTO:Whennotriggeringsignalisappliedorwhentriggeringsignalfrequencyislessthan25Hz,sweeprunsin
thefreerunmode.
NORM:Whennotriggeringsignalisapplied,sweepisinareadystateandthetraceisblankedout.Usedprimarily
forobservationofsignal25Hz.
TV-V:Thissettingisusedwhenobservingtheentireverticalpictureoftelevisionsignal.
TV-H:Thissettingisusedwhenobservingtheentirehorizontalpictureoftelevisionsignal.
(BothTV-VandTV-Hsynchronizeonlywhenthesynchronizingsignalisnegative.)
Thetriggeringlevelmovesupwardonthedisplaywaveform.
FAMILY.........(33)
.
Displayasynchroninzdesignalfrequency(modelshavethisfunctiononly)
Others
CAL................(1)
Thisterminaldeliversthecalibrationvoltageof2Vp-p,approx.1KHz,positivesquarewave.
GND...............(15)
Groundterminalofoscilloscopemainframe.
TimeBase
TIME/DI
V.............................(30)
Sweeptimerangesareavailablein20stepsfrom0.2uS/DIVto0.5S/DIV.
X-Y:ThispositionisusedwhenusingtheinstrumentasanX-Yoscilloscope.
SWP.VAR..................................(31)
Verniercontrolofsweeptime.ThiscontrolworksasCALandthesweeptimeiscalibratedtothevalueindicatedby
TIME/DIVofweepcanbevariedcontinuouslywhenShaftisoutofCALposition.Thenthecontrolisrotatedinthe
directionofarrowtothefull,theCALstateisproducedandthesweeptimeiscalibratedtothevalueindicatedby
TIME/DIV.Counterclockwiserotationtothefulldelaysthesweepby2.5timeormore.
X10MAG..................................(32)
Whenthebuttonispushedin,amagnificationofl0occurs.
POSITION..........................(34)
Horizontalpositioningcontrolofthetraceorspot.
14
4.21ntroductionofRearPanel
STUDS..................................(38)
Forlayingtheoscilloscopeonitsbacktooperateitintheupwardposition.Alsousedtotakeupthepowercord.
ACPowerinputconnector.........(39)
ACPowerinputsocket.ConnecttheACpowercord(supplied)tothisconnector.
INPUT.............(36)
inputterminal
OFF/ON....................(37)
Componenttest.