Kenwood CS-5130 User manual

40MHz DUALTRACEREADOUTOSCILLOSCOPE
CS-5130
40MHz DUALTRACEOSCILLOSCOPE
CS-5135
INSTRUCTION MANUAL
KENWOODCORPORATION
©PRINTED INJAPANB50-7667-20(T)
92/121110 987654321 91/121110 987654321
KENWOOD

SAFETY
Symbol in This Manual
» This symbolindicateswhereapplicabiecautionaryor
ZI\ otherimformationistobefound.
Power Source
This equipmentoperates from a powersourcethatdoesnot
applymorethan250V rmsbetweenthesupplyconductors
orbetweeneithersupplyconductorandground.A protec-
tivegroundconnectionbywayofthegroundingconductor
inthepowercordisessentialfor safe operation.
Grounding theProduct
This equipmentisgrounded through thegroundingconduc-
torofthepowercord.Toavoidelectricalshock,plugthe
powercord into a properlywiredreceptaclebeforeconnec-
ting totheequipment input or output terminals.
Use theProperPowerCord
Use onlythepowercordandconnectorspecifiedforyour
product.
Use theProper Fuse
To avoidfirehazard,usea fuseofthecorrecttype.
DonotOperateinExplosiveAtmospheres
To avoidexplosion,donotoperatethisproductinanex-
plosive atmosphere.
DonotRemoveCoverorPanel
To avoidpersonalinjury,donotremovethecoverorpanel.
Refer servicingtoqualifiedpersonnel.
VoltageConversion
Ifthepowersourceisnotappliedtoyourproduct,contact
yourdealer.Toavoidelectricalshock,donotperformthe
voltageconversion.
CONTENTS
SAFETY 2
FEATURES 3
SPECIFICATIONS 4
^PRECAUTIONS 7
CONTROLS ANDINDICATORS9
FRONT PANEL... 9
REAR PANEL 14
DIRECTIONS FOR USE... 15
READOUT DISPLAY (CS-5130Only)15
OPERATING INSTRUCTIONS16
INITIALSTARTING PROCEDURE ..16
[A] OPERATIONS ASA GENERAL-USE OSCILLOSCOPE 16
(1)NORMAL SWEEP DISPLAY OPERATION16
(2)MAGNIFIED SWEEP OPERATION18
(3) ALTERNATE SWEEP OPERATION18
(4)X-YOPERATION19
(5)VIDEOSIGNAL OBSERVATION.. ....19
(6) SINGLE SWEEP OPERATION20
[B] READOUTOPERATION(CS-5130Only)20
APPLICATION ....21
PROBE COMPENSATION....21
TRACE ROTATIONCOMPENSATION21
1. DC VOLTAGE MEASUREMENTS 21
2. MEASUREMENTS OFTHE VOLTAGE
BETWEEN TWOPOINTSONA WAVEFORM22
3. ELIMINATIONOFUNDESIREDSIGNAL
COMPONENTS 23
4. VOLTAGE RATIOMEASUREMENT
USING CURSORS 23
5. TIMEMEASUREMENTS24
6.TIME DIFFERENCE MEASUREMENT24
7. PULSE WIDTHMEASUREMENTS..25
8. PULSE RISE TIMEAND FALL TIME
MEASUREMENTS.... 26
9. PHASE DIFFERENCE MEASUREMENTS 27
10.TIMERATIOMEASUREMENTUSING CURSORS ..28
11. FREQUENCY MEASUREMENTS ...29
12. RELATIVE MEASUREMENTS '...30
13. PULSE JITTER MEASUREMENTS 31
14. SWEEP MAGNIFICATIONS32
15. APPLICATIONOFX-YOPERATION32
/^MAINTENANCE 34
ACCESSORIES ..35
NOTE: This instructionmanualisdescribedfortwomodels
CS-5130 and CS-5135. Refer toitemappliedtoyour
product.
2

FEATURES
1. Highvertical axis sensitivityof 1 mV/divandwideband-
width thatcoversfullyspecifiedfrequencyresponseat
5 mV/div.
2. 12-stepverticalsensitivity from 1 mV/divto5 V/div.
3. Verticalmodefunctionprovidesautomatictrigger sig-
nal selectioncorrespondenttoMODEselectorsetting.
4. Maximumsweeptimesweepat20ns/div.
5. Alternatesweepfunctionenablessimultaneousobser-
vationofa desiredwaveformanditsmagnified
waveform.
6. One-touchswitchovertoX-Yoperation.
7. Automaticfixingfunctioneliminatestroublesome syn-
chronizationoperation.
8. Equipped with theCH1OUTconnectorfor monitoring
channel-1 input signal.
9. Five-revolution DELAY TIME POSITION potentiometer
offers easy setting.
10. Thereadoutfunctiondisplays,inletters,each scale fac-
torofthevertical axis input sensitivity,sweeptime,etc.
onthe CRT. (CS-5130 only)
11. Cursormeasurementmode (CS-5130 only)
The cursormeasurementmodedisplays,inletters,vol-
tagedifference,voltageratio,timedifference,timera-
tio,frequency,andphasedifferencecorrespondingto
movementoftwocursors. This displayprovidesac-
curatewaveformobservationandfacilitatesdatacol-
lectionbyphotography.
3

SPECIFICATIONS
CS-5130 CS-5135
CRT
1 50mmrectangular with internalgraticule
AccelerationVoltage
12 kV
Display Area
8x 10div(1div= 10mm)
VERTICAL AXIS (CH1 and CH2)
Sensitivity
1 mV/divto5 V/div:1 mVto2 mV/div±5%,5 mV/divto5 V/div±3%
Attenuator 12 steps,1 mV/divto5 V/divin1-2-5sequence
Vernier control for fully adjustablesensitivitybetweensteps
Input Impedance
1 MO±2%,approx.30pF
Frequency
Response
DC DC
to40MHz, within -3dB(5mV/divto5 V/div)
DC to15MHz, within -3dB(1mV/divto2 mV/div)
Frequency
Response
AC
5 Hzto40MHz, within -3dB(5mV/divto5 V/div)
5 Hzto 1 5 MHz, within -3dB(1mV/divto2 mV/div)
Rise Time 8.7ns(5mV/divto5 V/div)
17.5 ns(1mV/div& 2 mV/div)
Signal DelayTime Adequateto
identify leadingedge
Crosstalk
-40 dBor less (at1 kHz)
OperatingModes
CH1
Single traceOperatingModes
CH2 Single trace
OperatingModes
ALT Two-waveformdisplay,alternately
OperatingModes
CHOP
Two-waveformdisplay,chopped
OperatingModes
ADD CH1 +(±CH2)addeddisplay
ChopFrequency Approx.300kHz
Channel Polarity Normalorinverted,channel2 onlyinverted
/r\ Maximum Input Voltage
500 Vp-por250V (DC+ ACpeak)
HORIZONTALAXIS Input thru CH2,x 10MAGnotincluded
OperatingModes
X-Y operationisselectable with HORIZMODEswitch
CH1 : Y axis
CH2 : X axis
Sensitivity
Same asvertical axis (CH2)
Input Impedance
Same asvertical axis (CH2)
Frequency
Response
DC DC
to1 MHz, within -3dB
Frequency
Response
AC
5 Hzto1 MHz, within -3dB
X-Y Phase Difference 3°or
less at100kHz
/fyMaximum Input Voltage
Same asvertical axis (CH2)
SWEEP
Type
A A sweep
Type
ALT
A sweep(intensifiedfor duration ofB sweep)andB sweep(delayedsweep)alternating
Type
B
Delayed sweep
Type
X-Y X-Y oscilloscopeoperation
Sweep Time
A 0.2jus/divto0.5s/div±3%,in20ranges,in 1 -2-5sequence
Vernier control for fully adjustablesweep time betweensteps
Sweep Time
B
0.2/xs/divto50ms/div± 3%,in 1 7 ranges,in 1 -2-5sequence
Sweep Magnification
x 10(tentimes)±5%(±8%in0.2/xs-to-0.5(is range)
Linearity
±3% (±5%forx 10magnification)
Holdoff
Continuouslyvariable from NORMtomorethanten time (MAX)
Trace Separation
Shifts B sweeptracecontinuouslyinverticaldirectionby4 divisionsormore with
respect toA sweep
Delayed Sweep Continuousdelay
(AFTER DELAY) & triggered delay(B TRIG' D: triggered byA trigger)
Delay Time Continuousadjustable
from 0.2fis/d'w to0.5s/div
4

CS-5130 CS-5135
Delay Accuracy ±(3%ofsetvalue+
1 % of full
scale) + (0to300ns) ±4%ofreadingonCRT
Delayed Jitter
10000 : 1 ofdecupled time axis A setvalue
TRIGGERING
Modes
AUTO, NORM,FIX,& SINGLE-RESET
Trigger
Source
VERT MODE Triggeredby
input signalselected with verticalMODEselector
Trigger
Source
CH1
TriggeredbyCH1verticalsignal
Trigger
Source
CH2
TriggeredbyCH2verticalsignal
Trigger
Source
LINE
Triggeredbylinefrequency
Trigger
Source
EXT
Triggeredbyexternal trigger signal
External Trigger Input Impedance
1 MO±2%,approx.25pF
^MAX.EXT. Input Voltage
50 V (DC+ ACpeak)
Coupling
AC, HFREJ, DC, TV-FRAME, & TV-LINE
TriggerSensitivity AtNORM
position
TriggerSensitivity
AC
Triggerfrequencyrange
10 Hzto20MHz(INT:1 div, EXT: 0.15 Vp-p)
10 Hzto40MHz(INT:1.5div, EXT: 0.2Vp-p)
TriggerSensitivity
DC
Triggerfrequencyrange
DC to20MHz(INT:1 div, EXT: 0.15Vp-p)
DC to40MHz(INT:1.5div, EXT: 0.2Vp-p)
TriggerSensitivity
HFREJ
Triggerfrequencyrangeismorethan50kHz,andminimumamplitude(voltage)
requiredforsyncisincreased.
TriggerSensitivity
TV
FRAME, LINE
INT: 1.0div, EXT: 0.15Vp-p
AUTO: SameasabovespecificationsFIX:50Hzto20MHz(INT:1.5div,EXT:200mV)
forabove50Hz50Hzto40MHz(INT:2.0div,EXT:250mV)
CALIBRATION VOLTAGE
1 V p-p±3%,squarewave,positivepolarity,approx.1 kHz
INTENSITY MODULATION
Sensitivity
+ 5 V,positivevoltagedecreasesbrightness
Input Impedance Approx.10kfi
Usable FrequencyRange
DC to5 MHz
Maximum Input Voltage
50 V (DC+ ACpeak)
VERTICAL AXISSIGNALOUTPUT(CH1only)
Output voltage Approx.50mVp-p/div(500 termination)
Output Impedance Approx.50Q
Frequency Response
100 Hzto40MHz,-3dB/500 termination
(1 mV/div,2 mV/div:100Hzto15MHz,-3dB)
5

CS-5130 CS-5135
READOUT
Set Value
CH1/CH2 scale factor(withprobedetec-
tion); V-UNCAL, ADD, INVERT
A/B sweep scale factor(magnificationcon-
version): SWEEP-UNCAL, AFTER DELAY,
TRIG' D,X-Y
Cursor Mode
A modeonly AV^ Voltagedifferencebetween
ZiREF and
zlcursors ona CH1 scale factor basis
Cursor Mode
A modeonly
A\I2 Voltagedifferencebetween
ziREF and
zicursors ona CH2 scale factor basis
Cursor Mode
A modeonly
AT
Time differencebetween zlREF andzicur-
sors onthe basis ofA sweep scale factor
Cursor Mode
A modeonly
1/AT Frequency between AREF andzlcursorson
the basis ofA sweep scale factor
Ratio: Voltageandtimeratiobetween
AREF and^cursors,supposing
5-divisionontheCRTas100%
Phase: Phase differencebetween zlREF
and ^cursors,supposing5-divi-
sion ontheCRTas360°
NOTE: TheX-YmodeallowsZiV1measurementonly.
Cursor
Meas-
urement
Resolution
10 bits
Cursor
Meas-
urement
Measurement
accuracy
±4%
Cursor
Meas-
urement
Measurable range AV, Ratio:±3.6divormorefromthe
CRT
center
AT, MAT, Ratio, Phase: ±4.6divormore
fromtheCRTcenter
TRACE ROTATION (Electrical, adjustablefrom front panel)
POWER REQUIREMENT
Line Voltage
100 V/120V/220V ±10%,216V-250V
Line Frequency 50/60 Hz
Power Consumption Approx.47W Approx.41W
DIMENSIONS (WxHxD)
319 (341)x 132(145)x380(455)mm
( ) dimensionsincludeprotrusionfrom basic outlinedimensions
WEIGHT
9.0kg
8.5 kg
ENVIRONMENTAL
WithinSpecifications 10°Cto35°C,85%max.relativehumidity
Full Operation 0°Cto40°C,85%max.relativehumidity
ACCESSORIES SUPPLIED
Probe
PC-33 (READOUT compatibleprobe)x 2
PC-30x2
Attenuation 1/10
1/1, 1/10
Inputimpedance
10 MO,25pF±10%
1 MO,200pFor less
10 MO,22pF± 10%
Power supplycable
1
Replacement Fuse
1 Ax2,0.5Ax2
InstructionManual1
*Circuitandratingaresubjecttochange without noticeduetodevelopmentsintechnology.
6

PRECAUTIONS
SAFETY
Before connectingtheinstrumenttothepower source, care-
fullyreadthe following information,thenverifythatthe
powercordandpowerlinefuseareonesforyourpowerline.
The instrument'srearpanelhasa fuseholderonthe left of
theACinletterminal(thefuseholeralso serves asa vol-
tageselector).Thevalueunderthetriangle• markedon
theholderindicatesthelinevoltagesetfortheinstrument.
Ifthepowercordisnotapplied with thecorrectvoltage,
thereisa danger from electricshock.
•Whenconvertingthevoltage,refertotheMaintenance
section.
Line voltage
This instrumentoperatesusingac-power input voltagesthat
100/120/220/240 V atfrequencies from 50Hzto60Hz.
Power cord
) Thegroundwireofthe3-wireacpowerplugplacesthe
chassis andhousingoftheoscilloscopeatearthground.Do
notattempttodefeatthegroundwireconnectionorfloat
theoscilloscope;todosomayposea greatsafetyhazard.
The appropriatepowercordissuppliedbyan option that
is specifiedwhentheinstrumentisordered.
The optionalpowercordsareshownasfollowsinFig.1.
Line fuse
The fuseholderislocatedontherearpanelandcontains
theline fuse. Verifythattheproperfuseisinstalledby
replacingtheline fuse.
EQUIPMENT PROTECTION
1. Neverallowa smallspotofhighbrilliancetoremain sta-
tionaryonthescreenformorethana few seconds. The
screen maybecomepermanentlyburned.A spotwill
occur onlywhenthescopeissetupforX-Yoperation
and nosignalisapplied.Eitherreducetheintensityso
thespotisbarelyvisible,switchbacktonormalsweep
operationwhennosignalisapplied,orsetupthescope
forspotblanking.
2. Nevercovertheventilatingholesonthetopoftheos-
cilloscope, asthiswillincreasetheoperatingtempera-
tureinsidethe case.
3. Neverapplymorethanthemaximumratingtotheos-
cilloscope inputs.
/J^CH1, CH2 INPUT jacks: 500Vp-por250V
(DC + ACpeak)
EXT TRIG INPUT jack:50V (DC+ ACpeak)
Z axis INPUT jack:50V (DC + ACpeak)
Never applyexternalvoltagetotheoscilloscope out-
putterminals.
4. Alwaysconnecta cable from theearthground(GND)
jack oftheoscilloscopetothe chassis oftheequipment
undertest. Without thiscaution,theentirecurrentfor
theequipmentundertestmaybedrawn through the
probeclipleadsundercertain circumstances. Such con-
ditionscouldalsoposea safetyhazard,whichthe
groundcablewillprevent.
5. Alwaysusetheprobegroundclipsforbestresults.Do
notuseanexternalgroundwireinlieuoftheprobe
groundclips,asundesiredsignalsmaybeintroduced.
6. Operationadjacenttoequipmentwhichproducesstrong
ac magneticfieldsshouldbeavoidedwherepossible.
This includessuchdevicesaslargepowersupplies,
transformers, electricmotors,etc.,thatare often found
inanindustrialenvironment.Strongmagneticshields
can exceedthepractical CRT magneticshieldinglimits
and resultinterferenceanddistortion.
7. Probecompensationadjustmentmatchestheprobeto
the input ofthescope.Forbestresults,compensation
ofprobeshouldbeadjustedinitially,thenthesamepro-
be always used with the input of scope. Probecompen-
sationshouldbereadjustedwhenevera probe from a
differentscopeis used. (Seepage21)
8. InX-Yoperation,donot pull outthe PULL x 10MAG
switch. Ifpulledoutit,noisemayappeareonthe
waveform.
9. When turning onandoffthe POWER switchrepeated-
ly,keepanintervalofabout5 seconds. Faster onand
offoperationmay cause malfunctiontotheinstrument.
10. Donotusetheprovided PC-33 Probe with other meas-
uringequipmentbecauseitincorporatesa terminalfor
READOUT detectionwhich might damagetheother
equipment.
7

Plugconfiguration Powercordand plug type
Factoryinstalled
instrumentfuse
Line cord plug fuse
North American
120volt/60 Hz
Rated 15amp
(12 amp max;NEC)
1.0A,250V
Fast blow
6x30 mm
None
Universal Europe
220volt/50 Hz
Rated 16amp
0.5 A,250V
T. lag
5x20 mm
None
U.K.
240volt/50 Hz
Rated 13amp
0.5 A,250V
Fast blow
6 x 30 mm
0.5 A
Type C
Australian
240volt/50 Hz
Rated 10amp
0.5 A,250V
Fast blow
6x30 mm
None
North American
240volt/60 Hz
Rated 15amp
(12 amp max;NEC)
0.5 A,250V
Fast blow
6x30 mm
None
Switzerland
240volt/50 Hz
Rated 10amp
0.5 A,250V
Fast blow
6 x 30 mm
None
Fig. 1 PowerInputVoltageConfiguration
8

CONTROLS ANDINDICATORS
FRONT PANEL
Fig. 2
©CH1| POSITIONControl
Rotationadjustsverticalpositionof CH1 waveformon
the screen. InX-Yoperation, rotation adjustsvertical
positionofdisplay.
@ CH1VOLTS/DIVControl
Vertical attenuatorforchannel1.Providesstepadjust-
mentofverticalsensitivityin1-2-5sequence. VARI-
ABLE controlisturnedtotheCALposition,the
calibratedverticalsensitivityisobtained.InX-Yopera-
tion,thiscontrol serves astheattenuatorfor Y-axis.
©CH1 VARIABLE Control
Rotationprovidesfinecontrolofchannel1 vertical sen-
sitivity.Inthefullyclockwise (CAL) position,theverti-
cal attenuatoriscalibrated.InX-Yoperation,thiscontrol
serves asthe Y-axis attenuationfineadjustment.
@ CH1AC-GND-DCSwitch
This switchistheCH1vertical axis couplingmode
selector, forX-Yoperation,the Y-axis couplingmode
control.
AC: AC input coupling with blockingofanyDC sig-
nal component.
GND: Verticalamplifierisdisconnected from thein-
putsignalandconnectedtoground. This mode
is usefulindeterminingthezeroreference.
DC: DCcoupling, with both theDCandACcom-
ponentsofthe input signaldisplayedonthe CRT.
©CH1INPUTjack
Vertical input forchannel1 traceinnormalsweepoper-
ation. Y-axis input forX-Yoperation.
©$ CH2POSITION/PULL INVert Control
•CH2 POSITION:
Rotationadjustsverticalpositionofchannel2
trace.
INV: Push-pullswitchselectschannel2 signalin-
verted (PULL INV)whenpulledout.
(Hereafter PULL INVisdescribedasCH2INV.)
©CH2VOLTS/DIVControl
Vertical attenuatorforCH2.Providesthesamefunc-
tion as VOLTS/DIV Control© for CH1. InX-Yopera-
tion,thecontrol serves asthe X-axis attenuator.
®CH2 VARIABLE Control
Rotationprovidesfinecontrolofchannel2 vertical sen-
sitivity.
Provides thesamefunctionas VARIABLE Control® for
CH1.
InX-Yoperation,thiscontrol serves for X-axis at-
tenuationfineadjustment.
©CH2AC-GND-DCSwitch
Three-positionleverswitchwhichoperatesasfollows:
AC: BlocksDCcomponentofchannel2 input signal.
GND: Openssignalpathandgrounds input tovertical
amplifier. This providesa zero-signalbaseline,
thepositionofwhichcanbeusedasa reference
whenperformingDCmeasurements.
DC: Direct input ofACandDCcomponentofchan-
nel2 input signal.
9

©CH2INPUT Jack
Vertical input forchannel2 traceinnormalsweepoper-
ation. X-axis input inX-Yoperation.
©MODESwitch
Selects thebasicoperatingmodesoftheoscilloscope.
CH1: Onlythe input signaltochannel1 isdisplayed
as a singletrace.
CH2: Onlythe input signaltochannel2 isdisplayed
as a singletrace.
ALT: Alternatesweepisselectedregardlessofsweep
time.
CHOP: Chopsweepisselectedregardlessofsweep
time atapproximately300kHz.
ADD: Thewaveforms from channel1 andchannel2
inputsareaddedandthesumisdisplayedasa
singletrace.WhentheCH2INV© button isen-
gaged,thewaveform from channel2 issub-
tracted from thechannel1 waveformandthe
differenceisdisplayedasa singletrace.
©GNDterminal/bindingpost.
Earth and chassis ground.
©CALTerminal
Provides 1 kHz,1 V peak-to-peaksquarewavesignal.
This isusefulforprobecompensationadjustment.
©EXTTRIGINPUT Jack
Input terminalforexternal sync signal.
When SOURCE switchisselectedinEXTposition,the
input signalattheEXT TRIG INPUT jackbecomesthe
trigger.
©POWERSwitch
A pressofthisswitchturnsthepowerON.
©POWERIndicator
Lightswhenthe POWER switchispressed.
©INTEN (REAL) Control
Controllerforadjustingbrightnessofthereal-time
waveform.
©INTEN(READOUT)Control(CS-5130only)
Controllerforadjustingbrightnessofthe READOUT
value.
*By turning thecontrollerclockwiseuptothevery
end, the READOUT valuebecomesbrightest;turn-
ingcounterclockwiseturnsreadout function OFF and
makes thevaluedisappear.
© FOCUS/PULL ASTIGControl
FOCUS: Focus adjustment
ASTIG: Usedto bring thewaveform into thebest
condition with the FOCUS adjustmentbyad-
justingtraceandspotaberration.Pullthe
knobtomakea spotcircular.
10
Fig. 3

© SCALE ILLUM/PULL TRACE ROTAControl
SCALE ILLUM: Brightnessadjustmentofthe scale of
the CRT. Forphotographing, rotate the
knobtoadjustbrightnesstoprevent
halationcausedbytoo bright illumi-
nation.
TRACE ROTA: Tiltadjustmentofthehorizontal bright
lineinthe case wheregeomagnetism
influencesthe bright lineto tilt.
©A SWEEP TIME/DIVControl
Range selectdialof19ranges from 0.2^s/divto
0.5s/div.
To calibratethesetvalue, rotate the SWEEP VARIA-
BLE controller© clockwiseuptotheCALposition.
©B SWEEP TIME/DIVControl
Range selectdialof17ranges from 50ms/divto
0.2/xs/div.Setthisdialtoa valuesameastheA SWEEP
TIME/DIV © orhigherthanit.
©A SWEEP VARIABLEControl
Fine sweep time adjustment.Inthe fully clockwise
(CAL) position,thesweep time iscalibrated.
©POSITION/PULLx 10MAGControl
Horizontal position controller,whichprovideshorizon-
talshiftofwaveform.By pulling theknob,thesweep
time isquickenedtentimes.
IntheX-Yoperation, rotation adjustshorizontalposi-
tion ofdisplay.
NOTE: InX-Yoperation,keepthisknobpressed(nor-
malsweepmode).
© LEVEL/PULL SLOPE (-)Control
LEVEL: Triggerleveladjustmentdetermines point on
triggering waveformwhereA sweeptriggered.
PULL SLOPE (-)Switch:
Two-positionpush-pullswitch.Pulledoutposi-
tion selectsnegative going (-)slopeand
pushedin position selectspositivegoing(+)
slopeas triggering point forA sweep.
©HOLDOFF/PULLB TRIG'DControl
HOLD OFF:
Adjusts holdoff (trigger inhibit periodbeyondsweep
duration).Clockwise rotation from theNORM position
increases holdoff time,upto10timesattheMAX.po-
sition(fullyclockwise).
PULL B TRIG'D:
PullingouttheknobactivatesB TRIG'D function.B
sweep starts from thesweepstart point atthe trigger
level afterdelay time set with theA SWEEP TIME/DIV
and ZIREF/DELAY TIME POSITION © (DELAY TIME PO-
SITION onlyonthe CS-5135) has passed. The trigger
signalforA sweepisusedasthe trigger signalforB
sweep. With thisknobdepressed,B sweepstartsaf-
terdelay time set with theA SWEEP TIME/DIVand
4REF/DELAY TIME POSITION has passed.
© TRACE SEPARATIONControl
AdjustsverticalseparationbetweenA sweepandB
sweep (controlhaseffectonlyintheALTof HORIZ.
MODE).
Clockwise rotation increasesseparation;B sweep
moves down with respecttoA sweepupto4 divisions.
©COUPLINGSwitch
Selects couplingforsync trigger signal.
AC: TriggerisACcoupled.BlocksDCcomponent
of input signal;mostcommonlyusedposition.
HFrej: Sync signalisDCcoupled through a low-pass
filter toeliminate high frequencycomponents
forstable triggering oflowfrequencysignals.
DC: ThesyncsignalisDCcoupledforsyncwhich
includestheeffectsofDCcomponents.
TV FRAME:
Verticalsyncpulsesofa compositevideo sig-
nalareselectedfortriggering.
TV LINE: Horizontalsyncpulsesofa compositevideo
signalareselectedfortriggering.
© SOURCE Switch
Sweep trigger sourceselectswitch.
VERT MODE:(HereinafterreferredtoasV.MODE).
The sweep trigger sourceisselected with the
MODE selectorfortheverticaloperation(Y-
axis). WhentheverticalMODEselectorisset
to CH1, thechannel-1signalisusedasa trig-
gersource.WhenitissettoCH2,thechannel-2
signalisusedasa trigger source.Whensetto
ALT, both thechannel-1andchannel-2signals
are usedalternately.Whensetto CHOP orADD,
thechannel-1signalisusedasa trigger source.
CH1: Channel1 signalisusedasa trigger source.
CH2: Channel2 signalisusedasa trigger source.
LINE: Sweepis triggered bylinevoltage(50/60Hz).
NOTE: Whenthe COUPLING switchissetto
otherthanACposition,the syn-
chronizationcannotbecarriedout.Be
sure tosetthe COUPLING switchtoAC
position.
EXT: Sweepis triggered bysignalappliedto EXT TRIG
input jack©.
©TRIGGERINGMODE(TrigMODE)Control
Selects triggering mode.
AUTO: Triggeredsweepoperationwhen trigger sig-
nalispresent,automaticallygeneratessweep
(freeruns)inabsenceof trigger signal.
NORM: Normal triggered sweepoperation.Notrace
is presentedwhena proper trigger signalis
notapplied.
X-Y: X-Yoperation.Channel1 input signalpro-
duces verticaldeflection (Y-axis). Channel2
input signalproduceshorizontaldeflection
(X-axis).
This operatesregardlessverticalMODE
selection.
11

Fig. 4
SINGLE: Single-sweepmode
NOTE: Dual-tracesingie-sweepobservationis
notpossibleiftheverticaloperation
MODE issettoALT.Besuretosetthe
MODE to CHOP.
RESET: Reset modeofsingle-sweepoperation.When
reset, theswitchreturnstothe SINGLE posi-
tion, with the READY LED @ lightinguntil com-
pletion ofsweep.
© READY Indicator
Whenresetinsingle-sweepoperation,thislamplights
andremainslit until thesweepoperationiscompleted.
©HORIZMODE(HORIZONTALMODE)Switch
Used toselectthehorizontaldisplaymode.
A: OnlyA sweepisoperative, with theB sweep
dormant.
ALT: A sweepalternates with theB sweep.Forthis
modeofoperation,theB sweepappearsasan
intensifiedsectionontheA sweep.
B: OnlydelayedB sweepisoperative.
X-Y: Channel1 becomesthe Y-axis andchannel2
becomesthe X-axis forX-Yoperation.Theset-
ting oftheverticalMODEand TRIG MODE
switches havenoeffect.
(§) CURSORS Switch(CS-5130only)
Cursor measurementmodeselectswitch.
NOTE: CursormeasurementisimpossibleiftheHO-
RIZ MODEselector (32) issettoALTorB.
OFF: Cursormeasurementisnotperformed.The
cursor,andcursourmeasurementmodeand
cursormeasurementvaluearenotdisplayed
ontheCRT.
A^/^: Twohorizontalcursorlinesaredisplayedon
theCRT,andvoltagedifferenceandvoltage
ratio betweenthemaredisplayedintheupper
right ontheCRTposteriortothecursor
measurementmodedisplay.
Settingthe CH1 VARIABLE controller® tothe
CAL position causes voltagedifference meas-
urement,anda valuecalculatedinaccordance
with settingofthe CH 1 VOLTS/DIV control @
is displayedposteriortoAV\.
Settingthe CH 1 VARIABLE controller© tothe
UNCAL position causes voltage ratio measure-
ment,anda valuecalculatedassuming that
5-divisionas100%isdisplayedposteriorto
the RATIO.
WhentheA cursorisbelowtheA REF cursor,
a negativevalueisdisplayed.
NOTE: SettingoftheMODEselectswitch (Q)
totheCH2 position causes A V2mode
cursormeasurement.
12

AMI: Twohorizontalcursorlinesaredisplayedonthe
CRT, andvoltagedifferenceandvoltage ratio
betweenthemaredisplayedintheupper right
onthe CRT posteriortothecursormeasurement
modedisplay.
SettingtheCH2 VARIABLE controller(8)tothe
CAL position causes voltagedifferencemea-
surement,anda valuecalculatedinaccordance
with settingoftheCH2 VOLTS/DIV control ©
is displayedposteriortoAV2.
SettingtheCH2 VARIABLE controller® tothe
UNCAL position causes voltage ratio measure-
ment,anda valuecalculatedonthe basis of
5-divisionas100%isdisplayedposteriortothe
RATIO. •
WhentheA cursorisbelowthe AREF cursor,
a minusvalueisdisplayed.
NOTE: SettingoftheMODEselectswitch© to
theCH1 position causes AVI modecur-
sor measurement.
Settingofthe HORIZ MODEselect
switch(§)totheX-Y position disables
AV2 modemeasurement.
AT: Twoverticalcursorlinesaredisplayedonthe
CRT, and time differenceand time ratio between
themaredisplayedintheupper right onthe CRT
posteriortothecursormeasurementmode
display.
Settingthe SWEEP VARIABLE controller© to
theCAL position causes time difference meas-
urement,anda valuecalculatedinaccordance
with settingoftheA SWEEP TIME/DIV control
©isdisplayedposteriortoAT.
Settingthe SWEEP VARIABLE controller© to
theUNCAL position causes time ratio measure-
ment,anda valuecalculatedassuming that
5-divisionas100%isdisplayedposteriortothe
RATIO.
WhentheA cursorisonthe left oftheA REF
cursor,a minusvalueisdisplayed.
NOTE: Settingofthe HORIZ MODEselect
switch (32) totheX-Y position disablesAT
modemeasurement.
VAT: Twoverticalcursorlinesaredisplayedonthe
CRT, andfrequencyandphasedifferencebet-
weenthemaredisplayedintheupper right on
theCRTposteriortothecursormeasurement
modedisplay.
Settingthe SWEEP VARIABLE controller© to
theCAL position causes frequencymeasure-
ment,anda valuecalculatedinaccordance with
settingoftheA SWEEP TIME/DIV control © is
displayedposteriortoVAT.
Settingthe SWEEP VARIABLE controller© to
theUNCAL position causes phasedifference
measurement,anda valuecalculatedassuming
that 5-divisionas360°isdisplayedposteriorto
the PHASE.
WhentheA cursorisonthe left oftheA REF
cursor,a minusvalueisdisplayed.However,fre-
quencyisdisplayedinanabsolutevalue.
NOTE: Settingofthe HORIZ MODEselect
switch© totheX-Y position disables
VAT modemeasurement.
©A Control(CS-5130only)
Controllerforshiftingthemeasuringcursor(rough dot-
tedline)outoftwocursorlinesdisplayedontheCRT
inthecursormeasurement.By rotating thecontroller
clockwise, thecursorlinemovesupwardorrightward:
by rotating counterclockwise,itmovesdownwardor
leftward.
(§) A REF/DELAY TIMEPOSITIONControl
(DELAY TIMEPOSITIONonlyontheCS-5135)
Controllerforshiftingthereferencecursor(small-dotted
line)outoftwocursorlinesdisplayedonthe CRT inthe
cursormeasurement.By rotating thecontrollerclock-
wise, thecursorlinemovesupwardorrightward:by
rotating counterclockwise,itmovesdownwardor
leftward.
This controllerisalsousedtosetdelay time oftheB
sweep start point from theA sweepstart point, ifthe
HORIZ MODEselectorissettoALTorB position.(DE-
LAY TIME POSITION)
Itcontrolsdelay time continuouslybetween0.2and10
timesofa setvalue with theA SWEEP TIME/DIV con-
troller.
13

CONTROLS ANDINDICATORS
REAR PANEL
Fig. 5
(§) Z AXISINPUT Jack
External intensitymodulation input; TTLcompatible.
Positive voltage increases brightness,negativevoltage
decreases brightness.
©CH1OUTPUT Jack
CH1 vertical output signalconnector.
AC coupled output connector.DonotconnectCH1
OUTPUT tochannel2 input ascascadedoperation.
(§) Fuse Holder,LineVoltageSelector
Contains theline fuse. Verifythattheproperfuseisin-
stalled whenreplacingtheline fuse.
100 V,120V 1 A
220 V,240V. ....0.5 A
After pulling thepowercordplug from thepower out-
let,adjustthisselectortoyourlinevoltage.
(§)PowerInputConnector
Inputterminalsofpowersupply.ConnecttheACcord
provided.
14

DIRECTIONS FORUSE
READOUT DISPLAY (CS-5130 Only)
(1)POSITIONSOFTHEDISPLAY
Displays the scale factors,cursormeasure-
mentdata,etc.atthe following positionson
theCRT.
(2)DISPLAYCONTENTS
1 Cursor Mode
The currentsettingcursormode,whichdependsonthe
combination ofthe operation controls,isdisplayed.
AVI, AM2, AT, MAT, RATIO, PHASE
2 CursorMeasuringData
The resultmeasuredbythetwocursorsisdisplayed.In
theMAT mode,whenthetwocursorsapproacheach
other andthemeasurementnearsits limit, a "?" will be
displayedin front ofthemeasureddata.Thisshows that
themeasureddataisnotavailable.
3 CH1 Scale Factor
Displays the CH1 vertical axis sensitivitytoonedivision.
WhennotinCALmode,a ">"isdisplayedposteriorto
CH1.
NOTE: ThisisnotdisplayedwhentheMODEswitch©
is settoCH2.
4CH2 Scale Factor
Displays the CH2 vertical axis sensitivitytoonedivision.
WhennotinCALmode,a ">"isdisplayedposteriorto
CH2.
NOTE: ThisisnotdisplayedwhentheMODEswitch©
is settoCH1.
5 ADD
"+ " isdisplayedwhentheMODEswitch© issetto
ADD.
6CH2INVERT
The inverted polarity of CH2 "I" isdisplayedbycon-
trolling the• POSITION/PULL INV©.
7A Sweep Scale Factor
Displays a sweeprangeselected with theA SWEEP
TIME/DIV ©.
Whenthe SWEEP VARIABLE isnotsettoCALmode,a
">" isdisplayedposteriortoA.
8B Sweep Scale Factor
Displays a sweeprangeselected with theB SWEEP
TIME/DIV iftheHORIZMODE© issettoALTorB.
By pulling the•<• POSITION/PULL x 10MAG®, 1/10
scale factorsoftheA SWEEP TIME/DIV © andB SWEEP
TIME/DIV © aredisplayed.IftheHORIZMODE© isset
toX-Yposition,"X-Y"isdisplayedinsteadofA andB
sweep ranges.
9DelayTime
The cursormodeandcursormeasuringdataarenotdis-
playediftheHORIZMODE© issettoALTorB."DE-
LAY" isdisplayedinplaceofthecursormode,anda
delay time isdisplayedinplaceofthecursormeasuring
data.
Ifthe triggered delay(B TRIG'D) isselected,"?"isdis-
playedposteriorto DELAY.
15
Fig. 6

OPERATING INSTRUCTIONS
INITIALSTARTING PROCEDURE
Priorto turning thepowerON,settheswitchesasinthe
drawingbelowinadvance.Fordetailsofswitchsetting,
refertothe item "Front Panel". Inthe case ofusinga pro-
be, refertotheOperationManualattachedtotheprobeas
wellastheapplicationexample"ProbeCompensation".
POWER OFF—
Rotatecounter
clockwise upto
theveryend
Threeo'clock
position
Center push
Rotatecounter
clockwise upto
the very end
Fig. 7
[A]OPERATIONASA GENERAL-USEOSCIL-
LOSCOPE
(1)Normalsweepdisplayoperation
1. Press the POWER switch© tosupplypower,andthe
POWER LED© lights.
2. A bright lineappearsintheCRTcenter.Ifitisnotinthe
center,adjustits position tothecenter with the• POSI-
TION controller (T). Then, adjustthebrightness with the
INTENSITY controller®,andthefocus, with the FOCUS
controller@ asrequiredfor easy observation.
3. Supply input signal into theCH1 INPUT jack©.Rotate
the VOLTS/DIV control © toadjustwaveformtoap-
propriatedimensions.
Set theMODEselectswitch© toCH2. Then, supplyin-
putsignal into theCH2 INPUT connector©.Itswave-
form isdisplayedonthe CRT inthesameprocedures with
channel1.
WhentheMODEselectswitchissettoADD,thecom-
positewaveformsofCH1andCH2(thealgebraicsum
ofCH1+ CH2)isdisplayedonthe CRT. Inthisstatus,
ifCH2INVisengagedby pulling outtheCH2• POSI-
TION, thealgebraicdifferencebetweenCH1andCH2
(CH1 - CH2) will bedisplayed.
The sensitivityoftheADDedwaveformbecomesthe
same asthevalueindicatedby VOLTS/DIV provided that
thesame VOLTS/DIV valuehasbeensetforthewave-
formsofthetwochannels.
WhentheMODEselectswitch© issettoALT,the
channel-1andchannel-2waveformsaredisplayedalter-
natelyineverysweep.Waveformofeachchannelistrig-
geredindependently.IftheMODEselectswitch© isset
to CHOP, channel-1andchannel-2waveforms through
chopped triggering aredisplayed.Ifthe SOURCE select
switch(§)issettoV.MODE,thechannel-1signalonly
is triggered.Tomakethechannel-2signaltriggered,set
the SOURCE selectswitch (29) toCH2.
4. Thedisplayonthescreen will probablybeunsynchroniz-
ed. Refer to TRIGGERING procedurebelowforadjusting
synchronizationandsweepspeedto obtain a stabledis-
playshowingthedesirednumberofwaveform.
TRIGGERING
The input signalmustbeproperly triggered forstable
waveformobservation. TRIGGERING ispossiblethein-
putsignalINTernallytocreatea trigger or with anEX-
Ternally providedsignalof timing relationshiptothe
observedsignal,applyingsucha signaltothe EXT. TRIG
INPUT jack®.
(1) Theselectionofa signal that serves asthe trigger
signalismadeusingthe SOURCE switch@.
*Internal Sync
Whenthe SOURCE selector (29) issettoV.MODE,
CH1, CH2or LINE, the input signalisconnectedto
theinternal trigger circuit.Inthisposition,a partof
the input signalfedtothe INPUT jack© or®isap-
plied from theverticalamplifiertothe trigger circuit
to cause the trigger signalsynchronously with the
input signaltodrivethesweepcircuit.Ifthe SOURCE
select switchissettoV.MODE,the trigger signal
is selectedincompliance with theverticalMODE
selectorsetting. (Refer tothesection "CONTROLS
AND INDICATORS".) SettingtheverticalMODE
selectortoALT causes independent trigger tothe
channel-1andchannel-2signalsrespectively, ena-
bling twosignals with no time relationshiptobeob-
served.
Ifthe SOURCE selectswitchissettoCH1orCH2,
triggering ismadebythechannel-1andchannel-2
signals respectively,regardlessofMODE© setting.
Settingthe SOURCE selectswitchto LINE causes
synchronization with commercialpowerfrequency.
16

•External Sync
Whenthe SOURCE selectionisin EXT, the input sig-
nalatthe EXTTRIG INPUT @ jackbecomesthetrig-
ger. This signalmusthavea time orfrequency
relationshiptothesignalbeingobservedto syn-
chronizethedisplay.External sync ispreferedfor
waveformobservationinmanyapplications.Forex-
ample.Fig.8 shows that thesweepcircuitisdriven
bythegatesignalwhenthegatesignalintheburst
signalisappliedtotheEXT. TRIG INPUT jack.
Shows the input/output signals,wheretheburst sig-
nalgenerated from thesignalisappliedtothein-
strumentundertest. Thus, accurate triggering can
beachieved without regardtothe input signalfed
tothe INPUT © or© jackso that nofurther trigger-
ingisrequiredevenwhenthe input signalisvaried.
EXT. TRIG
Triggersignal
(Gatesignal)
(2) Afterthe SOURCE hasbeenset,the trigger point can
besetby rotating LEVEL/SLOPE control ©.
AC:
The trigger signaliscapacitivelycoupled,soitsDC
componentiscut,givinga stable trigger whichisnot
affectedbytheDCcomponent. With thisadvantage,
this position ofthecouplingswitchisconveniently
selected forordinaryapplications.However,ifthe
trigger signalislowerthan10Hz,the trigger signal
level becomesattenuated,resultingin difficulty in
triggering.
HF RE J:
The trigger signalissupplied through a low-pass filter
toeliminatethehigh-frequencycomponent(higher
than10kHz),givinga stable triggering with low-
frequencycomponent.Whenhigh-frequencynoise
is superimposedoverthe trigger signalasshownin
Fig. 9,thehigh-frequencynoiseiscuttoprovidea
stable trigger.
Waveform with highfrequencynoise
TriggersignalbyHFrejection
Fig. 9
DC:
Permits triggering from dctoover60MHz.Couples
dc componentof sync trigger signal.Usefulfortrig-
gering from verylowfrequencysignals(below
10 Hz)orrampwaveforms with slowrepeatingdc.
(3) Settingofcouplingswitch@.
*TriggeringLevel
Trigger point onwaveformisadjustedbythe
LEVEL/PULL © control.Fig.10showstherelation-
shipbetweenthe SLOPE and LEVEL ofthe trigger
point. Triggeringlevelcanbeadjustedas necessary.
SLOPE "-"RANGE
Fig. 10
*AutoTrigger
Whenthe TRIG MODE(§)selectionisin AUTO, the
sweep circuitbecomesfree-runningas long asthere
is no trigger signal, permitting a checkofGNDlev-
el. Whena trigger signalispresent,the trigger point
can bedeterminedbythe LEVEL control forobser-
vationasinthenormal trigger signal.Whenthetrig-
gerlevelexceedsthe trigger signal,the trigger circuit
also becomesfree-runningwherethewaveform
starts running.Whenthe TRIG MODEissettoNORM
and/or,whenthe trigger signalisabsentorthetrig-
geringlevelexceedsthesignalthereisnosweep.
•Fix
Whenthe TRIG MODE (30) issettoFIX, triggering is
always effectedinthecenterofthewaveform,
eliminatingtheneedforadjustingthe triggering lev-
el. AsshowninFig. 11-(a) or(b),whenthe TRIG
MODE issettoNORMandthe triggering levelisad-
justedtoeithersideofthesignal,the trigger point
is deviatedasthe input signalbecomessmallwhich,
inturn,stopsthesweepoperation.Bysettingthe
TRIG MODEtoFIX,the triggering levelisautomati-
cally adjustedtotheapproximatecenterofthewave-
form andthesignalissynchronizedregardlessofthe
position of LEVEL control asshowninFig. 11-(c).
Whenthe input signalissuddenlychanged from a
square waveformtoa pulsewaveform,the trigger
point isshiftedextremelytowardthe"-"sideof
thewaveformunlessthe triggering levelisreadjusted
as showninFig. 12-(a).
See Fig 12-(a)-(2). Also,ifthe trigger point hasbeen
set tothe" - " ofsquarewave(Fig12-(b)-(1))and
the input signalischangedtoa plusesignal,thetrig-
ger point isdeviatedandthesweepstops.Whenthis
happens, setthe TRIG MODEtoFIXandthe trigger-
ingiseffectedintheapproximatecenterofthewave-
form,makingitpossibletoobservea stabilized
waveform.(Fig 12-(c))
17
SLOPE " + " RANGE
LEVEL
Inputsignalto
amplifier,etc.
Outputsignal from
amplifier,etc.
Fig. 8

"NORM"
Trigger
point
'FIX'
Fig. 11
Trigger
point
5) LEVEL control
Inputsignalchanged
intoa pulsewaveform.
Same levelas(1)
Highestlevel
(b)Whenthetriggerlevelissetto
the"-"sideofthewaveform
(Mode switchsetto"NORM")
5. AdjusttheA SWEEP/TIME DIVcontrol© toobtainan
appropriatedisplay.Nowa normalsweepdisplayisob-
tained.
121 MAGNIFIED SWEEP OPERATION
Since merelyshorteningthesweeptimetomagnifya por-
tion ofanobservedwaveformcanresultinthedesired por-
tion disappearingoffthe screen, suchmagnifieddisplay
shouldbeperformedusingtheMAGNIFIED SWEEP.
Using the POSITION © control,adjustthedesired por-
tion ofwaveformtothe CRT. Pullthe PULL x 10MAG®
controltomagnifythedisplay10times.Forthistypeofdis-
playthesweeptimeisthe SWEEP TIME/DIV settingdivid-
edby10.
(3) ALTERNATE SWEEP OPERATION
A sweepandB delayedsweepareusableinanalternating
fashionmakingitpossibletoobserve both thenormaland
magnifiedwaveformsimultaneously.
Procedure:
1. Setthe HORIZ MODEtoA andadjustfora normalwave-
form display.
2. DepresstheHOLDOFFcontrol© (AFTER DELAY) and
set the HORIZ MODEtoALT.Adjust TRACE SEPATA-
TION © for easy observationof both theA andB traces.
The uppertraceisthenon-magnified portion ofthewave-
form with themagnified portion super-imposedasan
intensifiedsection.Thelowerwaveformistheintensi-
fied portion displayedmagnified.
3. TheA REF/DELAY TIME POSITION © controlcanbeused
tocontinuouslyslidethemagnified portion ofthewave-
form across theA sweepperiodtoallowmagnification
ofpreciselythedesired portion ofwaveform.
4. Setthe HORIZ MODEtoB todisplaytheINTintensified
portion asa magnifiedB sweep.(Fig.14)
5. ForStarts AFTER DELAY operation,apparent jitter in-
creases asmagnification increases. Toobtaina jitter free
display pull theHOLDOFFcontrolout.Inthis"Trigger-
ableAfterDelay"modetheA triggersignalselectedby
the SOURCE switch© becomestheB triggersource.
(c) Mode switchsetto"FIX".
Triggeringwithout
settinglevel
Fig. 12
18
ITriggerpoint
vTrigger
point
Readjust level
(a)Whenthetriggerlevelisset
aroundthecenterofthewaveform.
Triggerpoint
Sweep stopswithnotrigger.

Fig. 13
Notethatforthistypeofoperation both the DELAY TIME
POSITION and TRIG LEVEL affectthestartoftheB sweep
so thatthedelaytimeisusedasa reference point. (Fig.15)
14) X-YOPERATION
For somemeasurements,anexternalhorizontaldeflection
signal isrequired. This isalsoreferredtoasanX-Y meas-
urement,wheretheY input providesverticaldeflectionand
X input provideshorizontaldeflection.
X-Y operationpermitstheoscilloscopetoperformmany
types ofmeasurementsnotpossible with conventional
sweep operation.TheCRTdisplaybecomesanelectronic
graphoftwoinstantaneousvoltages.Thedisplaymaybe
a directcomparisonoftwovoltagessuchasduringphase
measurement, orfrequencymeasurement with Lissajous
waveforms.
To useanexternalhorizontal input, usethe following pro-
cedure;
1. Setthe HORIZ MODEswitchtoX-Ytheposition.
2. Usethechannel1 probeforthevertical input andthe
channel 2 probeforthehorizontal input.
3. Adjusttheamountofhorizontaldeflection with theCH2
VOLTS/DIV and VARIABLE controls.
4. TheCH2(vertical) POSITION © controlnow serves as
thehorizontalpositioncontrol,andthe•<• POSITION
@) controlisdisabled.
5. All sync controlsaredisconnectedandhavenoeffect.
(5)VIDEOSIGNALOBSERVATION
The TV FRAME/LINE switchpermitsselectionofverticalor
horizontal sync pulseforsweep triggering whenviewing
compositevideowaveforms.Inthe LINE position,horizon-
tal sync pulsesareselectedastriggerstopermitviewing
ofhorizontallineofvideo.Inthe FRAME position,vertical
sync pulsesareselectedastriggerstopermitviewingofver-
ticalfieldsandframesofvideo.Whenobservingthevideo
waveforms, stabledisplayisobtainedonthescreenregard-
less the TRIG LEVEL © controlifthe TRIG MODE(§)switch
toFIX.
Atmostpointsofmeasurement,a compositevideosignal
is ofthe(-)polarity,thatis,the sync pulsesarenegative
andthevideoispositive.Inthis case, use"-" SLOPE.
Ifthewaveformistakenata circuit point wherethevideo
waveformisinverted,the sync pulsesarepositiveandthe
videoisnegative.Inthis case, use" + " SLOPE.
Fig. 15
19
A Sweep Magnifiedviewofintensified.
B Sweep
Fig. 14Magnifiedviewofintensifiedzoneabove
A Sweep
B Sweep
Intensifiedzonetobemagnified.

16) SINGLE SWEEP OPERATION
This modeofdisplayisusefulfor looking atnon-
synchronousorone time events.
Procedure:
1. Setthe TRIG MODE(§>toeitherAUTOorNORM.Apply
a signalofapproximatelythesameamplitudeandfre-
quencyasthesignal that istobeobservedasthetrig-
gersignalandsetthe trigger level.
2. Set TRIG MODEto RESET - observe that the READY
indicatorLEDlightstoindicatetheresetcondition.This
LED goesoutwhenthesweepperiodiscompleted.
3. Aftertheaboveset-upiscompletedthescopeisready
tooperateinthe SINGLE sweepmodeofoperationafter
resettingtheinstrumentusingthe RESET switch. Input
ofthe trigger signalresultsinoneandonlyonesweep
and READY indicatorLEDgoesout.
,—NOTE:: 1
With theHORIZMODEsettoALTthesimultaneous
observationoftheA sweepandB sweepwaveforms
at SINGLE sweepmodeisnotpossible.AlsoforALT
(verticalMODE)modeoperationsimultaneousobser-
vationisnotpossible.Setthe unit tothe CHOP mode
inthis case.
[B] READOUTOPERATION(CS-5130only)
1 CRTsurfacereadout
By rotating theINTEN (READOUT) controller@ clock-
wise uptotheveryend,charactersaredisplayedonthe
CRT. Adjustthebrightnessasnecessityrequires.The
CH1 andCH2 scale factorsaredisplayedinthelower
partoftheCRTinaccordance with settingoftheMODE
select switch©.Thesweep scale factorisdisplayedin
thelower right part.By pulling the• POSITION/
PULL x 10MAGswitch®,a tenth scale factoroftheA
andB SWEEP TIME/DIV control © © isdisplayed.
NOTE: Whenthereadoutvaluesaredisplayed,brilliance
modulation mayinfluencethereal-timewaveform
insome cases. Insucha case, rotate theINTEN
(READOUT) control @ fully counterclockwise.
The readout function will beturned OFF, andthe
brilliance modulation onthereal-timewaveform
will disappear.
2 Cursormeasurement
A\/1: SettheMODEselectswitch© toALTandthe
CURSORS selectswitch© toAVI, andtwo
horizontalcursorlinesaredisplayedontheCRT
andvoltagedifferencebetweencursorlines cal-
culatedinaccordance with settingoftheCH1
VOLTS/DIV control ® isdisplayedintheupper
right onthe CRT. BysettingtheCH1 VARIABLE
controller (3) totheUNCALposition,voltagera-
tioisdisplayed.
Movethecursorstothepositionstobemeasured
with the AREF controller© andA controller®.
AM2: Setthe CURSORS selectswitch© toAV2, vol-
tagedifferenceinaccordance with theCH2range
settingisdisplayedintheupper right ontheCRT
similarly with theaboveAVI.
AT: Setthe CURSORS selectswitch© toAT, and
twoverticalcursorlinesaredisplayedontheCRT
and time differencebetweenthecursorlines cal-
culatedbasedontheA sweep scale factordis-
playedinthelower right isdisplayedintheupper
right. Bysettingthe SWEEP VARIABLE controller
©totheUNCALposition, time ratio isdisplayed.
1 /AT: Setthe CURSORS selectswitch© to 11 AT, and
twoverticalcursorlinesaredisplayedontheCRT
andfrequencybetweenthecursorlinescalculat-
edbasedontheA sweep scale factordisplayed
inthelower right isdisplayedintheupper right.
By settingthe SWEEP VARIABLE controller© to
theUNCALposition,phasedifferenceisdis-
played.
20