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9
Figure4-2
AC
~
!
ENSURETHEPOWERISREMOVEDFROM
THEINSTRUMENTBEFOREREPLACINGTHEFUSE
38
39
!
WARNING
TOAVOIDELECTRICSHOCKTHEPOWERCORDPROTECTIVEGROUNDING
CONDUCTORMUSTBECONNECTEDTOGROUND.
FORCONTINUEDFIREPROTECTION.REPLACEONLYWITHSPECIFIED
TYPEANDRATEDFUSE.
NOOPERATORSERVICEABLECOMPONENTSINSIDE.DONOTREMOVE
COVERS.REFERSERVICINGTOQUALIFIEDPERSONNEL.
POWERMAX.35WATTS,40VA
LINEVOLTAGE
SELECTION
220V
RANGE
(50/60Hz)
198~242V
FUSE
110V 109~121V
T0.5A
250V
T1A
250V
4.OPERATIONMETHOD
4.1lntroductionofFrontPanel
CRT:.
POWER...............................(6)
Mainpowerswitchoftheinstrument.Whenthisswitchisturnedon,theLED(5)isalsoturnedon.
INTEN.................................(2)
Controlsthebrightnessofthespotortrace.
FOCUS................................(3)
Forfocusingthetracetothesharpestimage.
TRACEROTATION..............(4)
Semi-fixedpotentiometerforaligningthehorizontaltraceinparallelwithgraticulelines.
FILTER................................(35)
Filterforeaseofwaveformviewing.
CHl(X)input..........................(8)
VerticalinputterminalofCH1.WheninX-Yoperation,X-axisinputterminal.
CH2(Y)input..........................(20)
VerticalinputterminalofCH2.WheninX-Yoperation,Y-axisinputterminal.
AC-GND-DC..........................(10)(18)
Switchforselectingconnectionmodebetweeninputsignalandverticalamplifier.
AC:ACcoupling
GND:Verticalamplifierinputisgroundedandinputterminalsaredisconnected.
DC:DCcoupling
VOLTS/DIV.............................(7)(22)
Selecttheverticalaxissensitivity,from5mV/DIVto5V/DIVin10ranges.
VerticalAxis:
10