Matrix 620B - 4.2 Introduction of Rear Panel

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Triggering:
EXTTRIGINinputterminal...............(24)
Inputterminalisusedforexternaltriggeringsignal.Tousethisterminal,setSOURCEswitch(23)totheEXTposition.
SOURCE....................(23)
Selecttheinternaltriggeringsourcesignal,andtheEXTTRIGINinputsignal.
CHl:WhentheVERTMODEswitch(14)issetintheDUALorADDstate,selectCHlfortheinternaltriggeringsource
signal.
CH2:WhentheVERTMODEswitch(14)issetintheDUALorADDstate,selectCH2fortheinternatriggeringsource
Signal.
LINE:ToselecttheACpowerlinefrequencysignalasthetriggeringsignal.
EXT:TheexternalsignalappliedthroughEXTTRIGINinputterminal(24)isusedfortheexternaltriggeringsourcesignal.
SLOPE...................(26)
selectthetriggeringslope.
"+":Triggeringoccurswhenthetriggeringsignalcrossesthelevelinpositive-goingdirection.triggering
"-":Triggeringoccurswhenthesignalcrossesthelinnegative-goingdirection.triggeringtriggeringleve
TRIG.ALT.............(27)
:
WhentheVERTMODEswitch(14)issetintheDUALorADDstate,andtheSOURCEswitch(23)isselectedatClor
CH2,withtheengagementoftheTRIGALTswitch(27),itwillalternatelyselectCH1&CH2fortheinternaltriggering
sourcesignal.
H
.
LEVEL...................(28)
Todisplayasynchronizedstationarywaveformandsetastartpointforthewaveform.
Toward:s"":Thetriggetinglevelmovesupwardonthedisplaywaveform.
Towards:"-":Thetriggetinglevelmovesdownwardonthedisplaywaveform.
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LOCK.................................(22)
TIMEDI
click(28)byfu11yclockwisepositien,thentriggringlevelisautomaticallymaintainedatoptimumvalueirrespective
Ofthesignalamplitude,requiringnomanualadjustmentoftriggeringlevel.
TRIGGERMODE.......................(25)
Selectthedesiredtriggermode.
AUTO:Whennotriggeringsignalisappliedorwhentriggeringsignalfrequencyislessthan25Hz,sweeprunsin
thefreerunmode.
NORM:Whennotriggeringsignalisapplied,sweepisinareadystateandthetraceisblankedout.Usedprimarily
forobservationofsignalthatfrequencyislessthan25Hz.
TV-V:Thissettingisusedwhenobservingtheentirevertialpictureoftelevisionsignal.
TV-H:Thissettingisusedwhenobservingtheentirehorizontalpictureoftelevisionsignal.
(BothTV-VandTV-Hsynchronizeonlywhenthesynchronizingsignalisnegative.)
/V.........................(30)
Sweeptimerangesareavailablein20stepsfrom0.2us/divto0.5s/div.
X-Y:ThispositionisusedwhenusingtheinstrumentasanX-Yoscilloscope.
SWP.VAR...............................(32)
Verniercontrolofsweeptime.ThiscontrolworksasCALandthesweeptimeiscalibratedtothevalueindicatedby
TIME/divofsweepcanbevariedcontinuouslywhenShaftisoutofCALposition.Thenthecontrolisrotatedinthe
directionofarrowtothefull,theCALstateisproducedandthesweeptimeiscalibratedtothevalueindicatedbyTIME/DIV.
Counterclockwiserotationtothefulldelaysthesweepby2.5timeormore.
'POSITION..........................(35)
Horizontalpositioningcontrolofthetaceorspot.
X10MAG..................................(33)
Whenthebuttonispushedin,amagnificationofl0occurs.
TimeBase