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User Manual
TDS 340, TDS 360 & TDS 380
Digital Real-Time Oscilloscopes
070-9459-01
1lllllI
nlllllllllllllll
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- .
<
. .
-m.-..
.--..e
.
TEK .INTER-OFFICE COMlvllJNlCATlON
..
TO
FWW
M3KC.T
Sohn
94-540
Martin
3:.' t
Juno 25, 1991
Frank Gray, SO-PAT
GIDEP permit
request
In response to the request to grant permission to the
Industry Exchange Pro ram (GPDEP) to reproduce
Tektronix
operator,
service and P nstruction
manuals,
Tektronix,
Inc. hereby grant6 such permission for distribution
of such documents to any GTDEP user that is a full
participant
in the Metrology
Data Interchange Data Base of GIDEP provided
that
all
copies
of the original
work include the entire
copyright
notice and ownership statement exactly a-& it appears
in the original,
together with the Legend "Reproduded with
Government
pemieeion,a
This permission has been approved by the Intellectual
Committee
of Tektronix
and
a copy
of this
memo
aeon% 1[ded to GIDEP to provide'the requested
permission.
g:&dy
Group Pat&t
Coun&al
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may
Table of Contents
General Safety Summary ....................................
Preface ...................................................
vii
xi
slatup ........................................................
l-2
l-.3
l,-5
I-7
Getting Started
Line FuseReplacemcnl............................................
SeNTcst ........................................................
FunctionalTcs1...................................................
Operating Basics
DisplayandPowerControls.........................................
VerricalControls..................................................
HorizontalControls ...............................................
TriggerControls.. ................................................
MiscellaneousControls ............................................
DisplayMap .....................................................
Inputs ..........................................................
Rear-Panel
Connectors..................
..........................
UsingtheMenuSystem............................................
Usinglhc Probes .................................................
UsingAutoset....................................................
lntrnduction
...............
. ...............................
Manipulating Waveforms ...................
. ................
VerticalOperations................................................
HorizontaIOperations.............................................
DisplayingMath Wavcfums ........................................
Tr&ring
......................
._......_.................f
EdgeTriggering ..................................................
VidcoTriggering .................................................
TaklngMeasurements ...... ......f.....f
....................
AutomatedMeasurements..........................................
Tating Measurements
with Cursors...................................
Controlling Acquisition ..........
. .. +. .... _f ..... . ...........
. .................
Controlling the Display ....................
.._........
..........
UsingthePFT ........................
Description......................................................
Operation.......................................................
Considerations
for UsingI+Ts ......................................
Making Hard Copies (Option 14 Equipped Instruments Only) .. . . .
ConfiguringHardCopyOutput ......................................
SavingaHardCopytoDisk(~S360andTDS380only) ................
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2-l
z2
2-3
24
2-5
26
2-7
2,-8
2-9
2-12
2-15
>l
3-3
3-3
36
3-s
3-11
3-11
3-14
3-17
3-17
3-21
3-25
3-27
3-31
3-31
3-32
3-36
3-41
3-41
343
I
‘T;lbleof Comcnts
Saving
and Recalling Waveforms
3-45
..............................................
UsingRefmenceWav&rms
............................................... 3-45
UsingtheDisk (TDS 360andTDS 380only)
347
: ::
Viewinga Wdom ona Spreadsheet
349
.............................
Savin:: and Recalling Front-Panel Setups
3-51
................................
3-52
UsingInlemalMemory ............
......................
UsingtheDisk(~S360and??)S380only). ..........................
3-52
Using the File System (TDS 360 and ‘CDS380 only) ..............
3-53
Ilsing the Utility Menu
SettingtheDateandTime ................................................................................
Appendices
Appendix A: Specifications ...................................
WuramedClwxtcristics...........................................................
TypicalCharacteristics
............................
NominalTraits ...................................................
Appendix B: Performance Verification
Conventions.. .. ........ ...............................................................
TeslEquipment.................
..................................
TcstRccord,.,,.,,,,,,-
A-l
A-l
A-5
A-7
R-l
B-1
B-3
B-4
PcrfOrmnceTestOvcrvicw...................................................................................
n-5
SignalAcquisitionSystcrnChecks ...............
... . ................
B-5
Time BaseSystemCheeks..........
................................
B-IO
‘%ig:er SystemChecks ..... ..................................................................... B-11
B-14
SineWaveGeneratorLcvclingProcedure
Appendix C: Options and Accessories _.........................
C-l
Options...............
C-l
StandardAccessories
c-3
C-3
OptionalAccessories......................................................................................................................................
AccessoryProbes................
C-4
.................................
AccessoryCables..............
...................................
Cd
Appendix D: General Care and Cleaning .......................
I)-1
Gencrdcm .. ........ ..... .....................................
D--l
Clcanin~~
* ........................................................
D-l
Glossary
index
ii
TDS 340, TDS 360 & TDS 380 User Manuti
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Table of Contents
The ON/STBY button ..............................
Line fuse removal ................................
Verifying adjustments and signal path compensation ...
.,.....
Hookup for functional test ...................
Figure
Figure
Figure
Figure
l-l:
l-2:
l-3:
l-4:
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
,,.....
2-l: Using menus ...............................
.,.....
2-2: A pop-up menu ............................
,,.....
2-3: Connecting a probe .........................
.,.....
2-4: Probe compensation setup ...................
.,.....
25: Compensation waveform ....................
2-6: How probe compensation atrects signals ....... ,,.....
2-7: Location of probe compensation ad.iustment ...........
,,.....
2-8: The AUTOSET button ......................
Figure 3-l:
Figure 3-2:
Figure 3-3:
Figure 34:
Figure 3-5:
Figure 34:
Figure 3-7:
Figure 3-8:
The VERTICAI, MENU button ....................
The vertical menu .................................
......
Inverting a waveform .......................
The HORIZONTAL MENU button .................
......
The horizontal menu ........................
The MATH button ...............................
A math waveform ................................
The TRIGGER MENU button .....................
Figure 3-Y: The edge trigger menu ............................
Figure 3-10: The video trigger menu ..........................
Figure 3-11: The video scan-rate menu .........................
Figure 3-12: The MEASURE button ..........................
Figure 3-13: The measure menu and active measurements ........
Figure 3-14: The CURSOR button ............................
Figure 3-15: The cursor menu ................................
Figure 3-16: Paired cursor measurements of a sine wave ..........
Figure 3-17: The ACQUIRE button ...........................
Figure 3-18: The acquire menu ...............................
Figure 3-19: The DISPLAY button ............................
Figure 3-20: The display menu ...............................
Figure 3-21: System responseto an impulse ....................
Figure 3-22: Define FFT waveform menu ......................
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l-3
1-t
I-6
l-7
210
2-11
212
2-13
t-13
214
2-14
2-15
>3
3-4
>5
s6
3-6
3-8
>9
3-H
3-I,2
3-14
3-15
3-17
3-18
3-22
3-22
3-23
3-25
3-25
3-27
~27
3-32
3-33
“,.
111
Table
of Conrcnts
Figure 3-23: Cursor measurement of an FFT waveform ..........
Figure 3-24: FFT time domain record vs. FFT frequency
domainrecord ..........................................
Figure 3-25: How aliased frequendes appear in an FFT ..........
Figure 3-26: Windowing the FFT time domain record ............
Figure 3-27: The HARDCOPY button .........................
Figure 3-2X: The UTILITY button ............................
............................
Figure3-29:ThcsystemUOmenu
Figure 3-30~ The reference waveform buttons ...................
Figure 3-31: A reference waveform menu ......................
Figure 3-32: Save Format menu ..............................
Figure 3-33: The SAVFXXECALL button .......................
Figure 3-34: The save/recall menu ............................
Figure 3-35: File utilities ....................................
Figure 3-36: File system - Labelling menu .....................
Figure 3-37: The UTILITY button ............................
Figure 3-38: The utility pop-up menn ..........................
Figure 3-3Y: Date and time display ............................
Figure h-l: TDS 340, TDS 360, and TDS 380 dimensions . . . . . . . . .
Figure B-l: Menu locations .................................
Figure D-2: Hookup for DC voltage measurement accuracy
check .................................................
Figure H-3: Hookup for analog bandwidth check ...............
Figure B-4: Measuring analog bandwidth .....................
Figure B-5: Hookup for sampIe rate check ....................
Figure Bd: Hookup for trigger sensitivity check ...............
Figure B-7: Measuring triger sensitivity .....................
Figure B-8: Hookup for sine wave generator leveling ............
iv
3-35
3-36
3-38
3-39
341
342
342
3-15
345
3-48
3-H
3-51
3-53
3-57
3-59
3-60
361
A-11
o-2
134
B-8
B-9
U-10
B-12
H-13
B-15
-IDS 340, TDS 360 Br TDS 380 User Manual
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-‘Isblc of Contents
Table 2-l: Autoset defaults ............................
.,.....
2-15
Table 3-l: Measurement definitions ...........................
3-19
Table A-l: Warranted characteristics-signal
acquisition system .
Table A-2: Warranted characteristics - time basesystem ........
Table A-3: Warranted characteristics - triggering system .......
Table A-i: Power Requirements ..............................
..........
Table A-5: Warranted charaderistics
- environmental
Table A-6: Typical charactelistics - signal acquisition system ....
Table A-7: Typical characteristics-triggering
system ..........
Table A-8: Typical characteristics -probe compensator output ...
Table A-Y: Typical characteristics -data handling .............
Table A-10: Nominal traits -signal acquisition system ..........
Table A-XX: Nominal traits - time base system .................
Table A-12: Nominal traits-triggering
system ................
Table A-13: Nominal traits-display
system ...................
Table A-14: Nominal traits-I/O
interface option ..............
Table A-15: Nnminal traits-power
distribution system .........
Table A-16: Nominal traits - mcrhanicd characteristics ........
Table A-17: Certifications and compliances ....................
A-l
A-2
A-3
Table R-1,: Test equipment
Table%2:DCaccuracy
Table C-l:
Table C-Z:
Table C-3:
Table Cd
Table C-5:
Table C-6:
..................................
.....................................
output connector pins ........................
International power cords .........................
Language options ................................
Standard accessories ..............................
Optional accessories ..............................
Accessory cables .................................
VGA
380User Manual
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A-3
A-4
A-5
A6
A-6
A-7
A-7
A-8
A-S
A-Y
A-9
A-9
A-10
A-12
K-3
B-7
C-l
C-‘1
C-Z
c-3
c-3
C-l
Y
Tektronix ‘IDS 340, TDS 360, and ‘IDS 380 oscilloscopesarc digital signal
processorsandare superbtools for displaying andmeasuringwaveforms.Their
performanceaddressesthe needsof both benchtoplab andportable applications
with the following features:
Two input Chdnneb,
eachwith a recordlength of 1,000samplesand X-bit
vertical resolution. Both channelSacquirewaveforms simultaneously.
2 Gigasample/sccondmaximum samplerate (TDS 380); 1 Gigasamples/
secondmaximum samplerate (TDS 360); 500 McgasamplesIsecond
max,imum samplerate (TDS 340).
400 MHz analogbandwidth and fastesttime basesetting of 2.5 nsidiv
(‘IDS 380): 200 MHz analogbandwidth and fastesttime basesetting of
2.5 ns/div (‘IDS 360); 100MHz analogbandwidth andfastesttime base
setting of5 ns/div (TDS 340).
A full complementof advancedfunctions including on-screenreadout,
AUTOSET, cursors,continuously updatedautomaticmeasurements,and
FFT.
Waveform averaging,waveform enveloping,and hardwarepeak.detection.
Floppy disk drive (TDS 380 andTDS 360) for massstorageof waveforms,
setups,andhard copies.
A unique graphicaluser interface (GUI) and a logical front-panellayout
which combine to deliver the standardin usability pioneeredby the TDS
family of oscilloscopes.
TDS 340, TIX
360
& TDS 380 User
Mdnual
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Getting Started
,,,---
-
Start Up
To properlyinstallandpoweron theoscilloscope,
performthisprocedure.
1. Checkthatyouhavetheproperelcctticalconnections.
Therearlabellists
powerrequirements
for all possiblevoltage’inputs.
2. Checkthefuseto bcsureit is thepropertypeandrating(Figurel-2).
TDS300Seriesoscillo~copcs
areshippedwith a UL-approved
fuseinstalled.
Fusespecifications
areasfollows:
Smm x 20 mm,time-lag,3.15A, 250V.or
1.25in x 0.25in, cimc-lag,3 A, 250V
3. Connecttheproperpowercordfromtherear-panel
powerconnector
(Figurel-2) to thepowersystem.Usethepowercordclampto securethe
cordto therearpanel.
4. Leavespacefor conlmg.Do thisby verifyingthatUKair-intaksandexhaust
holesonthesidesandbottomof thecabinet(wheretttc fanoperates)
arefree
of anyairflowobstructions.
hWe
at least5.1,cm (2,in) fret oneachside.
5. PresstheON/STBYbuttonto powerup theoscilloscope
(seeFigure1-l).
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!
0n
0
0
c0
Q
f
OWSTBYbutton ,
Figure I-1:The
ONISTBY button
Line Fuse Replacement
A!
WARNING. To avoid injury or death, unplug ths line cord from the .linc voltagt
power smrce b&w continuing
I.
Have handy a flat-bladedscrewdriver
2. Set the oscilloscopeso its bottom is down on the work SUrface
facing you.
and its rearis
3. Find the lint cord on the rcx cover. (SeeFigure l-2.) Unplug the line cord
from its reccptaclc.
4. Find the fusedrawer beneaththe line-voltageplug on the rear :pancl.Now,
pry open the drawer with a small flat-bladed screwdriver,andrremovethe
line fuse. (SeeFigure l-2.)
m35 340, TDS 360 &
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1-4
TDs 340. ms 360 & ‘IDS 380 user ,Manual
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Getting Started
--
This procedureusesinternlll routinesto verify that the oscilloscopefunctions and
passesits internal self testsand signal-pathcompensations.It also confirms that
the oscilloscope wasadjusted properly at the dme it was last adjusted.No test
equipmentor hookupsarerequired.
EquipmentRequired:None.
TimeRequired:Approximately 5 minutes.
Prerequisites:Power up the oscilloscopeand allow a 20 minute warm up before
doing this procedure.
Procedure:
1. Pressthe front-panelbutton UTILITY.
2. Pressthe main-menubutton System to selectDiag.
3. Pressthe main-menu button Execute and thenpressthe side-menubutton
OK Confirm Run Test. The internal diagnosticsverify properoscilloscope
function. This vcrlfication takesabout30 seconds.While it progresses,a
variety of test patternsflash on screen.When finished, statusmessages
appearon the screen.
4. Check that the screenreportsno failures. If it reportsa failure, the oscilloscopehas failed the self test. Contactyour Tektronix representadvefor
assistance.
5. PressCLEAR
bmw.
6. PressUTILITY and thenpressthe main-menubutton SystemI:OselectCal.
7. Check that the word Passappearsin the main menu underthe ‘Voltage
Reference,Timing, and Ext Trig menulabels. (Set Figure l-3.) If any of the
labels readFall, the oscilloscopehas failed the self test. Contactyour
Tektronix rcprcsentativefor assistance.
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Gming Swtcd
First, display
lheGAL menu.
Third. run a signal palh compensalm and verify
Slatus is Pass.
1
Figure I-3: Verifyingadjustmentsand signal pathcompensation
8. PressSipnti Pathand thenpresstbc sidemenubuttonOK Compeasate
[email protected] Paths.Whencompensation
completes,
thestatusmessage
updatesto
Passor Failin themaanmenu
9. Checkthat thewordPassappears
underSignalPathin themainmt:nu.(See
Figure l-3.) If Passdoes not appear,theoscilloscope
hasfailedthe
performance
verification;rctumit to Tektronixfor servicing.
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Getting Started
Functional Test
‘kc purposeof this proccdurcis to conlkm that the oscilloscopefunctions
properly.
NOTE Thisprocedureverifiesfunctions; that is, ii verifies that oscilloscope
feutures operate.It doesnot verify that they upcmte within limits. Therefbre,
when the instructions thatfollow call for you to veriyythat a signal appears
on-screen“thnl is aboutJive divisions in amplitude’” or “has a period of’about
six horizontal divisions,” do NOT interpret the quantitiesgiven as limits.
Operation within limits is checlledEnthepeflormance tests,which begin on
pug’eB-5.
110 NOT make changesto thefront-penel settingsthat are not called out in the
procedure.If you make changesto thesesettingsother than thoseculled out in
theprocedure,you may obtuin invalid rest&s. In this case,just redothe
vrocedurefrom stev 1.
Equipment Required: One P6109B (TDS 340),P6111B(TIX 360), or I?61146
(TDS 380) probe.
Time Required: Approximately 5 minutes.
Procedure:
1. Install tbc probeon CB 1. Connectthe probetip to PROBE COMP on tie
front panel; leave the probe groundunconncctcd.(SeeFigure IA.)
Figure 1-4: Hookup for functional test
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-Getting Started
2. Frcsstie front-panelbuttonSAVEmCALL, themain-menu
bul:tonRecall
FactorySetup,andthentheside-menu
buttonOK ConfirmFactoryInit.
3. PressAUTOSET.
4. SettheVOLTS/DIVto 1 V. USClhc verticalPOSITION knobto ccntcrthe
waveformverticallyonscreen.
5. SettheSEC/DIVto 250ps.
6. Checkthata squarewaveprobe-com,pen,sation
signalof aboutfivedivisions
in amplitudeis on screen.
7. Cheekthatoneperiodof thesquarewaveprobe-compensation
signalis
aboutfourhorizontaldivisionson screen.
8. CheckthatthehorizontalPOSInON knobpositionsthesignalIcft andright
on screenwhenrotated.
9. Pressthefront-panelbuttonTRIGGERMENU, themain-menu
button
Mode,andthentheside-menu
buttonNormal.
10.Checkthatthetrigger-level.
readoutfor themaintriggersystemchanges
with
thetriggerLEVELknob.
‘Il.
Cheekthatthetrigger-levelknobcantrig&r anduntriggerthesquare-wave
signalasyourotateit. (Leavethesignaluntriggcred.)
12.CheckthatpressingSETLEVELTO 50%triggersthesignalthatyoujust
left untriggcred.
13. Pressthefront-panelbuttonACQUIRE,themain-menu
buttonMode,and
rhcntheside-menu
buttonSample.
14. CheckthatUKoscilloscope
displaysanactivelyacquiringwaveform
on-screen.
(Notetbdtthereis noisepresenton thepeaksof thesquarewave.)
15.Presstheside-menu
buttonPeakDetect.Cheekthattheoscilloscope
displays
an activelyacquiringwaveformon screenwith the.noise“peakdetcctcd.”
16. ‘Press
theside-menu
buttonEnvelope.Checkthattheoscilloscope
displays
anactivelyacquiringwaveformonscreenwith thenoisedisplayed.
17. Presstheside-menubuttonAverage.CheckthattheosciIloscope
displaysan
activelyacquiringwaveformon screenwith thenoisereduced.
18. PressWAVEFORMOFFto removeChannel1 from thedisplay.
19. PressCB 2 andmovetheprobeto theCH 2 input.
20. Repeatsteps3 through17for Charm&l
2.
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- Getting Stxtcd
21. Disconnectthe probe from the channel: input and the PROBE: COMP
terminal.
340,
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Operating Basics
This chapterbegins with tight illustrations that identify anddcscr’lbceach
control and connectoron the TDS 300 Series oscilloscope.Next, 0perating
Basics coverstheseadditional topics:
a
Using the menu system
W Using probes
II Using autoset
Display and Power Controls
I I
The SideMenubuttaxi provide
accessto side menusalections.
See page 2-9 for m0rf.z
informationaboutIho user
interface.
The ONETBYbutiontoggles The MainMenu buttonsprovideacces to
Instrumentpower.
main menuselections.See page 2-9 for
mow informationabout the user intetfacs.
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VerticalControls
The VanicalPOSlllONknobcontrols
lhs veniealpositionof the selected
waveform.
Tho WaveformSalectbunoosdisplay
andselectwaveforms(CHi,GH2,MATH,
REFl,andREF2).Alighlne~toabutton
illuminateswhenthat waveformis
selected.
The VER-iiCAtMENUbunoncallsup
the verticaloperadonsmenu. Forrnoro
informationabati verticaloperations,
seepage z-3.
The SCALEknobcontrolsthe vefliwl
scaleof the solededwaveform.
Probecornpens& output.see
page 2-12 for instrucrionson howto
compensatethe probes.
’
The WAVEFORM
OFFbutronturns
off the selectedwaveform.
TDS 340,TDS360&TDS380UserManual
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The HorizontalPOS~IONknobcon~r&
the horizontalpositionof allwaveforms.
The HORIZONTAL
MENUbuttonM/ISup
iho horizontaloperationsmsnu.For more
informationabout horizontaloperations,
see
page
SC
The SCALEknobrnntrolsthe horizontal
scaleof the activewaveforms.
-IDS 340,TDS 360&~~S380UscrManual
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2-3
Miscellaneous Controls
The MEASURE button wlk upthe
automated measurements menu. See
page %I7 for more information about
automated measuremeo,s.
The UTILITY button 4s up the utiiily
menu. See page 3-59 for more
information about utilities.
The floppy disk drive provides
mass wage for waveforms,
setups. and hard copies.
l-he AUTOSET bullon aulomalically ss$
up rhe instrument to produce a usable
display of the input signals. See
page 2-15 for more information about
Ihe auloset fundion.
The General PurQOSe Knob controls many
side-menu fundions. including the cursors.
The SELECT button switches control from
cursor to 0”rscI.
bUllOil SlatIS
quisfiion.
The HARDCOPY button star% print
e -41 for more
The ACQUIRE button calls up the
acquisition menu. See page 3-25 for
more information about controlling
The SAWRECALL button calls up the
save/recall me”“.Seepage345for
more
information about saving and recalling
wavefarms. See page %51 for more
information about saving and recalling
The CURSOR bunon ~1x11s
up the cursor
menu. See page >21 for information
aboutmakingmeasurementswilhcursois.
The DISPLAY button calls up the display
menu. See page >27 for information
about controlling the display.
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2-5
Display Map
k
Iwaveformomrd.
/
//
Showswhat patsof Ihe waveformrecord16dlsplayed.
Thevalueenteredwiththe
generalpurposeknob.
* Whenthe generalpurpose
knobis firstassigned.Ihe
knob iconappearshere.
The StatusReadoutsshow
triggerstatusand acquisiCon
~tat~s(modeandsamplingrare
or numberof acquisitions).
Cursormeasurement
readouts.See pageZ-21
for moreinformationabout
C”rsOrs.
TriggerlevelindicatorTriggerwin! indicator
The sidemew offersa
choiceof specific
actions.
Chanoeiground
indicator
The Channelreadout
showsIhe verticalscaleof
all anive channels.
The Triggerreadoulshows
the triggerSDU~W
and level
and whetherlheuscilloscope
is triggeredon the risingor
failingedgeof the waveform.
The mainmenu offersa
choiceof majoractions.
The he base readoti showsthe
lime baseseffing.M indicates
(M)ainlime base,0 indicates
(D)elayedtime base,
Whenin video-lriuaer
.,_ mode,
the readoutdisplayssourca
and triggerfeafuru(Field1,
Field2, or Lines).
TDS 340, TDS 360 & TDS 380 Userh,UNd
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The channelBNCinputs(CHl and
CH2)acceptelectricalsignalsfor
display.
The EXTTRIGinputacceptsex~emai
triggersignals.See page3-12 for
more informationabout external
triggering
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Opcming
-,---
Basics
Rear-Panel Connectors
The Option 14 Panel (Option 14 instruments only)
allows ~ccoss 10three communi&ons interfaces:
a Centronics parallel port, an US-232 interface.
and a GPIE interface. It also includes a VGA
videwxnparibla output pod and a power
mnn~clor for Ihe optional TDS4F5Q printer
upgrade kit,
The power connector accepts line voltage
to powerthe inslrument.SeepageC-1 for
a lis! of power cord and connector options.
-
The fuse drawer holds the line fuse. See
page 13 for fuse replacement procedures.
YOUcan “so Ihe Centronics, K-232, and GPIB
interfaces to Iranemil hardcopy data: see page
Wl tar hard copy procedures.
You can use lhe WI6 and RS-232 innixes to
operateaodprogt~mtheoscilloscopefromaGPl~
controller: see [email protected] TDS 340, lDS 360 & TDS 380
ProgrammerManualfor more informaban.
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the MenuSystem
TDS 300 Series0sciHoscopesuse an intuitive userinterface.This intetiacc
reducesfront-panelclutter wh,ile allowing easyaccessto specializedfunctions
throughthe menu st~hxe.
The procedureon page2-10 illustrateshow to navigatein the menu structure. If
you areunfamiliar with this menu system,you may want to run through the
procedureseveraltimes to learn how you can accessfunctions and subfunctions.
Refer to Figure 2-l as necessary.
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2-9
Operatin: Basics
Tdumnjx
1 Pressany of the fmnt-panel
menubutloos
‘IDS360
--we”m
-
,-,,
2 Selsctankm fmmthemain(bottom)
menu
oruseleftmost
button
topopupselections.
0
0
A#
ifdisplayed
3 SelodanitemfromIhesidemenu.
0
0
4
Adjudmenuitamvalues
withgeneral
purpose
knob.
Figure2-1: Usingmenus
1. Pushone of the indicated front-panelbuttons to call up a menu OSfunctions
This first menu is the main menu. Sometimesthe main tienu will bc a side
menu (Step3), but most main menusare bottom menus,
TJX 340, TDS 360 & TDS 380 UserManual
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2. Push a bottom menu button to selecta function, Oneof threethings result:
n
n
n
If tbc function bas no subfunctions,it becomesactive. If it is a variable
function, you can now use the GeneralPurposeKnob to adjustit
(step4).
If the function hassubfunctions,they appearon the side menu (step3).
The leftmost bottom menu button sometimesactivatesa pop-up menu
(as shown in Figure 2-2). You can cycle throughthe pop-upmenu
options by repeatedlypressingthe button. Each selectioncrllls up
different bottom andside menus,
Figure 2-2: A pop-up menu
,,::,:
“‘,
3. Push a sick-menu button to select a subfunction.
4. Use the GeneralPurposeKnob to alter variable-functionor subfunction
settings.
5. Pressthe CLEAR MENU button to remove a menu from the scn:en.
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TheTDS340,TIX 360,andTDS380comewilh two standard-accessory
probes.Usetheseprobesto conductsignalsto theoscilloscope.
For detailed
probespecifications
andinstructions,seetheinstructionmanualpackaged
with
theprobe.
Connecting a Probe
Toconnecta probeto theoscilloscope,
attachtheBNC endof thepro:bcto &her
theCH 1or CA 2 inpul.Be sureto twist theprobeendclockwiseuntil tie BNC
is fully locked.SeeFigure2-3.
Figure2-3: Connectinga probe
Compensating a Probe
Usethefollowingprocedure
to compensate
theprobeeverytim,cyousetupyour
oscilloscope.
1. AttachtheprobeBNCconnectorto theCH 1inputandattachtheprobetip
10thePROBECOMPoutputsignalasshownin Figure24. Attach the
probesound clip to theouterringof theCH 2 ENC.
‘ES 340, -IDS 360 & ‘IDS 380UserM:
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Figure2-4: Probecompensationsetup
2. PressAUTOSET. The oscilloscopedisplays the compensationwaveform. It
should resemblethe waveform shown in Figure 2-5.
I
I-1
II
II
0
0
II
0110
II
II
0110
0
Figure2-5: Compensationwaveform
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2-I 3
Operating Basics
--,
-
3. Check that the wavefon indicatescomet compensation.isee Fi-ure 2-h).
the wawfm
indicates over or undercompensation,use.tie tiigkcnt tool
ProvidCdwith the probe10adjust thecompensationas shown in Figure z-7,
n
1-L
Probecompensatedcorrectly
Probeundorcompensaied
ns?_
Figure 2-6: How Probe compensation
affects signals
Figure Z-7: Location of probe compensation
adjustment
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OperatinsBasics
Using Autoset
The TDS 300 Seriesautosetfeatureproducesa stable,triggereddisplay of
almost any input signal. To USCautosct,connecta [email protected] to either the CH 1 or
CH 2 input connector,andpressthe AUTOSET button (shown j,n Figure Z-8)
Figure 2-8: The AUTOSET button
Table 24 specifics the changesautosetmakesin your oscilloscopesetup.
table Z-l: Autoset defaults
Control
Changed by autoset to
Selected channel
If none already displayed, numetically lowesf of the displayed
channels
Acauire Mode
I Sam&
Acquire Stop After
RUN/STOPbutton only
Display Style
vectors
Disolav
,, lntensitv
, - Overall
If less than 50%. set to 75%
Display Format
Yr
Horizontal Position
Centered within the graticule window
Horizontal Scale
1As determined by the signal frequency
Horizontal Ime Base
1Main Only
Triqqer Position
1 Unchanged
TriggerType
Trigger Source
Numerically lowest of the displayed channels (the selected
channel)
Triqqer Level
1 Midpoint of data for the triqqer source
Tnsaer Slope
I Positive
Triaaer Coudina
I DC
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2-15
;;
I
Opcradn,n Basics
Table 2-l: Autoset defaults (co,-,t.)
Control
T$gar Holdoff
VerkcalScale
-
--LYF
_I
As dehmined by the signal level
VerticalCoupling
DC unless AC was previouslyset
AC remains unchanged
vet?iCalBandwidth
Full
Vertical Offset
0 volts
2-16
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ppendix A: Specifications
This appendix conrains complete spcciftcationsfor the TDS 340, TDS 360, and
TDS 380. The specificationsaredivided into threesubsections,one for eachof
Characteristics,Typical Churacteriscics, and
thm classes of traits: Warrutted
Nominal Trails.
WarrantedCharacteristics
Warrantedcharacteristicsare describedin terms of quantifiable performance
limits that *arewarranted.This subsectionlists only warrantedcharacterktics.
NOTE In these tables, those warranted characteristics that ore checked in the
Pcrformancc Tests,starting on page B-5, appear in boldfnce type under lhe
column Name.
Performance
Conclitions
The electrical characteristicsfound in thesetablesof warrantedcharacteristics
apply when the oscilloscopehasbeen adjustedat an ambient remperaturc
between+20” C and+30” C, hashad a warn-up period of at least20 minntcs,
and is operatingat an ambient temperaturebctwcen-10” C and+55’ C (unless
0 I ‘C
otherwise noted).
7
Table A-l: Warranted characteristics
-signal
acquisition system
Name
Description
Accuracy, DC Voltage Measurement,
Average Acquisition Mode
Measurement type
1DC accuracy
Average of 216 waveforms
i(2.0% x I(reading - Net Ofketl)l + Offset
1Accuracv+ 0.1 div\
I
Delta volts between any two averages of
216 waveforms acquired under the same
setup andambient conditions
Accuracy, DC Gain, Sample or
Average Acquisition Modes
2%
Pulse Response, Peak Detect and
Envelope Mode
SeclDiv setting
5 sldiv - 25 wdiv
TDS 340: 10 psidiv - 5 n&v
TOS 360: 10 ps/div - 2.5 ns/div
TDS 380: 10 psldiv - 1 nsldiv
*(2-O% x lreadingl + 0.15 div + 0.3 mV)
I
Minimum pulse width
lone
The greater of 10 ns or
.OZx se&iv setting
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Appendix A: Specifications
-,-
TableA-l: Warranted characteristics -signal
acquisition system (Cont.)
Name
Description
Accuracy, Offset
VoltslLliv setting
1Offset accuracy
2 mVidiv- 99.5 mV/div
$491, x INet Offset’l
+ 3 mV + 0.1 div x Vldiv setting)
100 mV/div - 995 mV/div
+_(0.4%x INet Offset’1
* 30 mV + 0.1 div x V/div setting)
1 Vldiv- 10 Vldiv
Analog Bandwidth, DC coupled
CrossTalk (Channel isolation)
Input Impedance, DC-Coupled
Input Voltage, Maximum
+(0.4%x INet Offset’l
t 300 mV + 0.1 div x Vidiv setting)
TDS 340: DC - ~100 MHz
,biL
f u :,I
TDS 360: DC-ZOO MHZ: DC - t180 MHz for 2 mV/div
I” \
lTX 380: DC - ?400 MHz; DC - Z2250MHz for 2 mV/div
,,-.-‘5 , I.
21OO:l at 50 MHz with equal Volt&iv settings on each channel
lil 0
TDS 340: 1 MR il% in parallel with 20 pF 22.0 pF
TDS 360: 1 Mai1 % in parallel with 20 pF k2.0 pF
<IL
TDS 380: 1 MfI +I% in parallel with 12 pFi2.0 pF
LL
*300 V (DC or AC) CAT II; derate at 20 dB/decade above 100 kHz to 13 V peakAC!at
3 MHz and above
Lower Frequency hmit, AC Coupled2
’
510 Hz
Net Offset : Offset - (Position x Volts/Div). Net offset is the voltage level at the center of the A-D converter dynamic
range. Offset Accuracy is the accuracy of this voltage level.
2
The AC Coupled Lower Frequency limits are reduced by a factor of IO when IOX, passive probes are used.
Table A-2: Warranted characteristics-time
base system
Name
Description
Accuracy, Long Term Sample Rate and
Delay Time
*lo0 ppm over any 21 ms interval
Accuracy, Delta Xme Measuremems’v 2
For single-shotacquisitions using sample acquisitionmode and a bandwidth limit setting
of FULL:
i(l WI + 100 ppm x IReadingl t 0.6 ns)
For repetitive acquisitionsusing average acquisition mode with 216 averages and a
bandwidth limit setting of FULL:
1
2
k(1 WI + 100 ppm x Reading1 c 0.4 ns)
For input signals 25 divisions in amplitude and a slew rate of 22.0 diiisionslns at the delta time measurement points.
Signal must be acquired at a volts/division setting 25 mV/division.
The WI (waveform interval) is the time between the samples in the waveform record. Also, see the footnotes far Sample
Rate Range and Equivalent Time or lnferpolated Waveform Rates in Table A-11 on page A-8.
TDS 340, TDS 360 & ‘IDS 380 User Manual
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n ..+.nnAi.r A. C*nn:cnnr:r.-,.
IIDescriotion
her Level, DC Coupled
dge-Type Trigger, DC
bigger source
( Sensitivity
3H1 or CH2
?(3% of ISetting - Net Offset’1+ 0.2 div x
1voltsldivsetting + OffsetAccuracy)
Ztemal
f(6% of ISettingl * 20 mV)
~xtemalll0
?(6% of ISetting + 200 mV)
kigger source
Sensitivity
:Hi or CH2
TDS 340: 0.35 divisionfrom DC to 20 MHz,
increasing to 1 div at 100 MHz
SDS 360: 0.35 divisionfrom DC to 50 MHz,
increasing to 1 div at 200 MHz
1TDS 380: 0.35 divisionfrom DC to 50 MHz.
increasing to 1 div at 400 MHz
ixtemal
TDS 340: 50 mV from DC to 20 MHz,
increasing to 150 mV at lC10MHz
TDS 360: 50 mV from DC ‘to50 MHz.
increasing to 150 mV at 2C’OMHz
TDS 380: 50 mV from DC to 50 MHz.
~increasingto5OOmVat4OOMHz
.xtemal/l 0
TDS 340: 500 mV from DC:to,20 MHt,
increasing to 1.5 Vat 100 MHz
TDS 360: 500 mV from DC to 50 MHz,
increasing to 1.5 Vat 200 IMHz
TDS 380: 500 mV from DC to 50 MHz,
increasino to 5.0 Vat 400 MHz
MR *2% in parallel with 20 pF 22 pF
:300 V (DC or AC) CAT II; demte at 20 dB/decade above 100 kHz to 13 \I peak AC at
MHz and above
’
Net Offset: Offset- (Position x Volts/Div). Net Offset is the voltage level at the center of the A-D converter ‘dynamic
~~~“~~~;>~;;;,,~,
(;
range. Offset Accuracy is the accuracy of this voltage level.
ir:‘::~.,,: ,’ ”
,‘+
/ ‘,;:F:::
,‘,ii!;re:!
;::‘,,
Mle
A-4: Power Requirements
Name
I Descriwtion
90 to 132 VACRM~,continuous range, for47 Hz through 440 Hz
power Cons”mptio”
p,,
range, for47 Hz through 63 Hz
1G5 Watts (120 VA)
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Appendix
A: Specifications
Table A-5: Warranted characteristics
-environmental
Name
ckscription
Atmospherics (TDS 340)
1emperature:
-loo C to t55” C, operating:
-51 o C to +710 C, non-operating
FM&e
I
humidity:
to 95%, at or below t40” C1or to 75% from 141’ C to 455”
C
rliitude:
To 15,000 ft (4570 m). operating;
to 40,000 ft (12190 m). non-operating
Atmospherics (TDS 360 or TDS 380)
bmperature without diskette in floppy disk drive:
t4” C to *50” C, operating;
-22” C to t60” C. non-operating
$mpemture with diskette in floppy disk drive:
t10” C to GO0 C, operating or non-operating
lelative humidity without diskette in floppy disk drive:
to 80% at or below +29” C, or to 20% fmm +30° C to t50” C, operating;
to 90% at or below t40” C, or to 5% from +410 C to +SO’ C, non-operating;
lelative humiditywith diskette in floppy disk drive:
to 80% at or below +29’ C, or to 20% from +30” C to t50” C, operating or
non-operating
Muda:
To 15.000 ft (4570 m), operating;
to 40,000 ft (12190 m), nomoperating
Dynamics
landom vibration without diskette in floppy disk drive:
0.31 g n~s. from 5 to 500 Hz, 10 minutes each axis, operating;
2.46 g RMS,from 5 to 500 Hz, 10 minutes each axis, non-operating
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Appendix A: Specifications
--
Typical Characteristics
Typical characteristicsare describedin tCrmSof typical or averagepcrformancc.
Typical characteristicsare not warranted.
Table A-S: Typical characteristics
-signal
acquisition system
Name
Description
Accuracy,DC Gain, Envelope
AcquisitionMode
T3% for secidiv settings from 5 SeclDiv to 25 t.rsec/div;
&2% for secldiv settings,fmm 10 Hsidivto 5 nsldiv (TDS 340);
12% for secldiv settings from 10 Hsidivto 2.5 nsidiv (TDS 360);
k2% for seddiv settinas from 10 us/div to 1 ns/div (TDS 3801
Accuracy,DC Voltage Measurement,
Sample AcquisitionMode
Measurement type
DC accuracy
Any Sample
k(2.0% x (treading - Net Offset’l) + Offset
Accuracy+ 0.13 div + 0.6 mV)
Delta Volts between any two samples2
acquired under the same setup and
ambient conditions
?(2.0% x treading1+ 0.26 div + 1.2 mV)
Frequency Limit, Upper, 20 MHz Eandwidth Limited
20 MHz
Step Response Settling Error
VoiWDiv
setting
step
amplitude
Settling error (%)3
100 ns
20ms
2 mV/div- 99.5 mV/div
<2V
51 .o
50.1
100 mV/div - 995 mV/div
520 V
21.5
so.2
1 Vldiv- IO Vldiv
5200 v
a.5
SO.2
Common Mode Rejection Ratio (CMRR)
1OO:iat 60 Hz, reducing to 2O:l at SOMHz, with equal VoltslDivand Coupling settings
on each channel.
1
Net Offset : Offset - (Position x VoMDiv). Net Offset is the voltage level at the center of the A-D converter dynamic
range. Offset Accuracy is the accuracy of this voltage level.
2
The samples must be acquired under the same setup and ambient conditions.
3
The values given are the maximum absolute difference betieen the value at the end of a specified time interval after the
mid-level crossing of the step, and the value one second after the mid-level crossing of the step, expressed as a
percentage of the step amplitude,
TDS 340, TDS 360 & TDS 380 User Manual
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A-5
Appendix
.-,-
A: Specifications
Table A-7: Typical characteristics
-triggering
system
requencies above 80 kHz. Attenuates signals below
2
The waveform interval (WI) is the time between the samples in the waveform record. Also see the footnote for the
characteristics Sample Rate Rang6 and Equivalent Time or Interpolated Waveform Rates in Table A+ on page A-8.
3
The minimum sensitivity for obtaining a stable trigger. A stable trigger results in a uniform, regular display triggered on
the selected slope. The trigger point must not switch between opposite slopes on the waveform, and the display must not
“roll” across the screen on successive acquisitions. The TRIG’D LED stays constantly lighted when the SEC/D/DIV
setting
is 2 ms or faster but may flesh when the SEClOtVsetting is 10 ms or slower.
4
See the characteristic Sensitivify, Edge-Type Trigger, DC Coupledin Table A-3, which begins on page A-3.
Ta’ahkA-8; Typical characteristics-probe
compensator
Name
Description
Output Voltage and Frequency,
Probe Compensator
Characteristic
output
Voltage
5.0 V (low-high) into a 1 MQ load
Frequency
1 kHz
TDS 340, TDS 360 g: TDS 380 User Manllal
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rence waveforms, stored setups, and cahbrahon constants are retained when there is no power to the
edby a lithium ply-carbon monofluoride battery.
traits
aredescribedusing simple statementsof fact suchas “Two,
identical” for the trait “Input Channels,Number of,” ratherthan in terms of
limits that areperformdncc requirements.
Nominal
Nominal traits-signal
acquisition system
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Range, Sample-Rate1~2
TDS 340: 10 Samples/s to 500 MSampiesisin a 1-Z-5 sequence
TDS 360: 10 Samples/s to 1 GSampleslsin a i-2-5 sequence
TDS 380: 10 Samples/s to 2 GSampiesisin a l-24 sequence
Range, Seconds/Div&sion
Range, Time Base Delay Sime
TDS 340: 5 nsidiv to 5 tidiv in a 1-2.5-S sequence
IDS 360: 2.5 nsidiv lo 5 sidiv in a i-2.5-S SPOIIP~I)P
TDS 380: 1 ns/div to 5 sidiv in a i-2.5-5 sequence
16.5 ns to 50 seconds
Record Length
1,000 samples
’
The range of real-time rates, expressed in samples/second, at which a digitizer samples signals at its; inputs and stores
the samples in memory to produce a record of time-sequential samples
z
The Waveform Rate (WR) is the equivalent sample rate of a waveform record. For a waveform record acquired by
real-time sampling Of a single acquisition, the waveform rata is the same as the real-time sample rate; for a waveform
created by interpolation of real-time samples from a single acquisition or by equivalent-time sampling of multiple
acquisitions, the waveform rate is faster than the real time sample rate. For all three cases, the waveform rata is
14Waveform Interval) for the waveform record, where the waveform interval (WI) is the time between the samples in the
waveform record.
Table A-12: Nominal traits-triggering
system
Name
Description
Range. Hold Off
500 ns minimum to 10 seconds maximum
Ranges, Trigger Level
SoUrCe
Range
Any Channel
212 divisionsfrom center of screen
External
‘-1.5 Volts
ExternalI1 0
+15
Volts
tine
Formati and Field Rates, Video Ttigger
TekProbe interface. ExternalTrigger
GO0 Volts
Triggers from sync-negativecomposite video, 525 to 625 lines, 50 Hz to 80 Hz, intedaced
or noninterlaced systems with scan rates from 15 kHz to 65 kHz - such as NTSC, PAL,or
SCAM
Level one probe coding
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Description
%inch UT.95 cm) diagonal, magnetic deflc . . . . ..
phosphor
-
-. .- _._. ___,., _, J,
640 pixels horizontally by480 pixelsvertically
Displayarea is 5.04 inch (12.92 cm) horizontallyby 3.7~” inrh
RPpm\
,,,“,, ICI
,“.““”
.,., ~rtidlv
.,_..,”-.,,
A Sin& araticule 401 x 501 oixels (8 x 10 divisions.
that aw nnnroximatelv
. . . with divisions
-...-rr
-.,
(Icm‘bvicml
’
Nominal traits - VO interface option
( Part of Option 14 I/O interface orTD3F14A 110interface field uuarade
kit: comolies with
,I
1 IEEEStd 488-1987
Part of Option 14 110interface or TD3F14A l/O interface field upgrade kit: a g-pin male
DTE RS.232 interface that complies with EWTIA 574-90
Part of Option 14 110intetface or T03F14A l/O interface field upgrade kit; a 25qin, IBM
1PC.type, parallel printer interface that complieselectricallywith Centronics C332-44,
DB-9 rear panel Video connector; non-intetiaced, with levels that comply with ANSI
RS343A
VGA compatible at a 30.6 ktlz sync rate
Powersupply connector to supply power to the Option 3P Printer Pack
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Appendix A: Specifications
-_,,
fable A-16: Nominaltraits-mechanical characteristics
Standard TDS 340
12.7 kg (28 Ibs) when packaged for domestic shipment
Standard TDS 360 or TDS 360
Rackmount TDS 360 or TDS 360
6.6 kg (14.5 Ibs). plus weight of rackmount parts, forTDS 360 or TDS 360
14.7 kg (32.5 Ibs) when the rackmounted TDS 360 orTDS 380 is package
shipment
Rackmount conversionkit
4.5 kg (10 Ibs); 7.6 kg (17.5 Ibs) when kit is packaged for domestic shipmen
Overall Dimensions
Standard Instmment (Figure A-l)
Height: 191 mm (7.5in) with feet and accessoriespouch installed
165 mm (6.5 in) without the accessoriespouch installed
Width:
362 mm (14.25 in) with handle
Depth:
471 mm (18.55 in) stand-atone instrument
490 mm (lg.28 in) with front cover installed
564 mm (22.2 in) with handle extended
Height: 178 mm (7 in)
Width:483mm(19in)
Depth: 472 mm (18.6 in) without handles: 517 mm (20.35 in) including handles
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Appendix A: Specilications
Figure A-i: TDS 340, TDS 360, and TDS 380 dimensions
TDS 340, TDS 360 & TDS 380 User Manual
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A-11
-Appendix A: Specifications
TableA-lf: Certificationsandcompliances
EC Declaration of Conformity
Meets intent of Directive8913WEEC for ElectromagneticCompatibilityand Low Voltage Directive
73/23/ECC for Product Safely. Compliance was demonstrated to the following specificationsas
listed in the OfficialJournal of the European Communities:
EMC Directive39/336/EEC:
EN 55011
EN 50081-i Emissions:
EN 60555.2
EN 50082-l Immunity:
EC 801-Z
IEC 801-3
lEC801-4
IEC 601.5
Class B Radiated and Conducted Emissions’
AC Power Line Hanonic Emissions
ElectrostaticDischarge immunity
RF EleclromagneticField Immunity2
ElectricalFast Transient/BurstImmunity
Power Line Surge Immunity
Low Voltage Directive 73/23/EEC:
EN 61010-l
Safety requirementsfor electricalequipment for measurement,
control, and laboratory use
To maintain emission requirements when connecting to the I/O interface of this oscilloscope,
use only a high-qualiv, double-shielded (braid and foil) cable. The cable shield must have
low-impedance connections to both connector housings. The VGA cable must also have a
ferrite cars at both ends. Acceptable cables are listed in Table C-6 on page C-1.
Performance criteria: -0.3 divisionwaveform displacement, or SO.6divisionincrease in p-p
noise from 27 MHz to 500 MHz. Test conditions: both channel inputs terminated with
grounding caps, both channels set to 10 mV/div, both channels set to DC Coupling, trigger
source set to CH 1, acquisition mode sat to Sample, and time base set to 250 ps/div.
Underwriters Laboratories listing to Standard Wlil-1
for ElectricalMeasuringand ‘Test
Equipment. 34
’
Canadian Standards Associationcertified to Standard CANICSA-C22.2No. 1010.1-92. 3
1
These standards are North Atnelican interpretations of IEC 1010.
Conditions for certification:operating temperature -10” C to +55” C, maximum operating
altitude 2000 m, Safety Class I (IEC 1010-I Annex HI. Overvoltaae Cataaow II (IEC 1010-l
”
” ’ ’
Annex J), Pollution Degree 2 (l&S 1010-1).
imissions comply with FCC Coda of Federal Regulations 47$Pan 15, Subpart B, ClassA Limits
:SA Certification includesthe prod&a and DOWWcords anorooriate for use in the Notth America
oower network. All other power cords supplied are approved f&the country of use.
’
FCC Compliance
CSACertified Power Cords
OvervoltageCategory
PollutionOeoree 2
A-l 2
?ategory:
Examples of Productsin this Category:
:AT Ill
Distribution-levelmains. fixed installation
:AT II
Local-levelmains, appliances. portable equipment
:AT I
Signal levels in special equipment or parts of equipment, telecommunications. electronics
IO not operate in environments where conductive pollutants may be present.
TDS 340, TDS 3GO & TRS 380 User [email protected],
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--~~~~~~
ppendix B: Performance Verification
The procedurein this appendixverities that the ‘HIS 340, TDS 360, and
TDS 380 oscilloscopesmeet warrantedspecifications.Dcpcnding on what you
want to accomplish,you may prefer to perform anotherprocedureyou can find
elsewherein this manual.
To rapidly conCm th;lt this oscilloscopefunctions,just do the procedures
underSe~~.~ts, which begin on page l-5.
Advantages: This procedureis quick to do, requiresno externalequipment
or signal sources,andperforms extensivefunctional and accuracyrestingto
provide high confidencethat the oscilloscopeperforms propefl,y.You can use
it as a quick checkbefore making a seriesof important measurements.
To further check function&y, do the proceduresunderFunctional Tests chat
begin on page l-7.
Advantages: Thcsc proceduresrequireminimal additional time to perform,
require no additional equipment other thana StandaId-aCCCSSOry
probe,and
more completely test the internal hardwareof this oscilloscope.You can use
them to quickly determineif the oscilloscopeis suitablefor pulting into
service,such as whenit is first received,
.
If you needa more extensivecotirmation of performance,do the [email protected] Tesrsin this appendix,beginning on pageB-5, after doing the
Functional and .%lfTestr just referenced.
Advantages: Theseproceduresadddirect checkingof warrantedspecifications. They requiremvre time andsuitable test equipment.(SeeEquipmcnllt
Required on page B-3.)
Conventions
Throughouttheseproceduresthe following conventionsapply:
Each testprocedureusesthe following generalformat:
Etle of Test
Equipment Required
lime Required
Prcrcquisites
Procedure
Refer to Figure B-l: “Main menu” refersto the menu that labels the seven
menu buttonsunder the display. “Side menu” refers to the mcnn that labels
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B-i
Verification
-AppendixB: Performance
thefive buttonsto theright of thedisplay.“Pop-upmenu”refersto a menu
thatpopsupwhena mainmenubuttonis pressed.
9 Whereinstnrctcdto usea front-panelbuttonor knob,selectCramamtin or
sidemenu,or verify areadoutor status message, thenameof thebuttonor
knobappears
in boldfacetype.
m Inst~ctionsfor menuselectionfollowthisformat:FRONT IPANEL
EU1TON -+ Pop-Up(if necessary)
-+ Main MenuButton -+ SideMenu
Button. Forexample,“PushTRlCGER MENU -+ Type:Video+ ‘fkigger On + Lines.”
Pop-UpMenu -
Md Menu
FigureB-l: Menulocations
T’LS 340, TDS 360 & TDS 380
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Aoucndix B: PerformanceVerification
Test Equipment
Theseproceduresuseexternal,traceablesignal sourcesto directly check
instrument perfotmancc.If your test equipmentdoes,not meet the minimum
requirementslisted in Table B-l, your test resultswill be invalid.
Table B-i: Test equipment
Item number
and description
Minimum requirements
Example
Purpose
(two required)
Impedance 50 R; connectors:
female ENC inpuf, male BNC
Tektronixpari number
011-0049-01
Checking delaybelween
channels
2.
Cable, PrecisionCoaxial
(Iwo required)
50 0.91 cm (36 in), male to
male ENC connectors
Tektronixpart number
012-0462-00
Signal interconnec!:ion
3.
Connector,
D&Banana
Female-BNC to dual-banana
Tektronixpart number
103-0090-00
Several accuracytests
4.
Connector,
BNCT
Male-BNC to dual-female-BNC
Tektronixpart number
103-0030-00
Checking trigger sensitivity
5.
Coupler,
Dual-Input
Female-ENCto dual-male-BNC Tektronixpart number
0670525-02
Checking delay between
channels
6.
Generator, DC Calibration
Vanable amplitude to f110 V;
accurecy to 0.1%
Wavetek 9100 Calibration
System with Oplion 250
Checking DC offset, gain, and
measurement accuracy
7.
Generator,
Leveled Sine Wave,
Medium-Frequency
200 kHz to 250 MHz: variable
amplitude from 5 mV to 4 Vpp
into 50 R
Wavetek9100 Calibration
System with Option 250
Checking bandwidth and trigger
sensitivity
6.
Generator,
Leveled Sine Wave,
High-Frequency’
200 kHz to 400 MHz; variable
amplitude from 5 mV to 4 V,.,
into 50 n
Rohde & Schwarr SMY with
URV 35 Power Meter and
NRV-Z8 Power Sensor
Checking bandwidth and trigger
sensitivity
9.
Generator,lme Mark
Variable marker frequency from
10 ms to 10 ns; accuracy within
Wavetek 9100 Calibration
System with Option 250
Checking sample rate and
delay-lime accuracy
A P6109B (TDS &IO), P6111B
FDS 360), or P6114E
(TDS 360) probe
Tektronixnumber
P6109B(TDS340),P6111E
(TDS 360). or P61148
FDS 380)
Signal interconnection
1. Termination
500
10. Probe, 10X.
included with this
instrument
’
The high frequency leveled sine wave generator is only required to verify the TDS 380, not the TOS 340 or TDS 360. If you
use the example equipment, refer to Sine Wave Generator Leveling Procedure on page E-14 for information on obtaining
a leveled output from an unleveled sine wave generator, If available, you can use a Tektronix 56504 Leveled Sine Wave
Generatior in place of the example equipment.
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CH2 VOLTYDIV
1V
Aat50mV
10mV
5mV
+266 mV
154.6 mV
-982 mV
+314mV
+65.4 mV
-998 rnv
CHI
42.5 mV
N/A
GH2
,42.5 mV
N/A
-2.0 Div
+2.0 Div
stable trigger
stable trigger
N/A
N/A
Analog bandwidth
Long term sample rate and delay time accuracy
Edge trigger sensitivity, DC coupled
Main Ttigger
Main Trigger-Falling
1
2
Generator set at -0.6 V.
Generator set at -0.9 V.
B-4
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: :;,;
Aooendix B: Pcrformarxc Verification
Performance Test Overview
The proccdurcsarc in threegroupings:Signal Acquisition SystemChecks,?ime
Bass SystemChecks,andTriggering SystemChecks.They check ah the
characteristicsthat appearin boldface type und&Warranted Characteristicson
pageA-l.
Prerequisites The testsin this subsectioncomprisean extensive,valid confrrnation of
performanceand functionality when the following requirementsare met:
The cabinetmust bc installed.
You must have performedandpassedthe proceduresunderSelf Tests,on
page l-5 and thoseunderFunctional Tests,on page 1-7.
The digitizing oscilloscopemust have beenoperatingfor a warm-up period
of at least20 minutes, and must bc operatingat an ambient tcrnperature
between-10” C and +5S” C.
Signal Acquisition System Checks
These procedurescheck signal acquisition systemcharacteristicsthat are listed as
checkedunder WurrantedCharacteris6icsin the Specificationssccl:ion.
CheckDC Voltage
Measurement
Accuracy
n!
WARNING.Pe~fom~anceof this procedurerequiresinput voltagestip to 98 VUC.
Contact with live circuits could causeinjury or death.Be sure to set the DC
calibration generatorto 0 vah bcforc connecting,disconnecting,and/or moving
the test hookuadurinz the oerformanceofchis orocedure.
Equipment Required: One dual-bananaconnector(Item 3). oneDC calibration
generator(Item 6), and oneprecision coaxial cable (Item 2).
Time Required: Approximately 35 minutes.
Prerequisites: The oscilloscopemust meet the prerequisiteslisted on
pageB-5.
Procedure:
1. Set the output of a DC calibration generatorto 0 volts.
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B-5
Verification
-Appendix B: Pcrformancc
2. Connecttheoutputof a DC calibrationgenerator
througha dual-banana
connectorfollowedby a50 8 precisioncoaxialcableto CII 1. asshownin
FigureB-2.
DC Calibrator
Coaxialcable
FigureB-2:Hookup for DC voltage measurement accuracy check
3. PressSAVE/RECALL SETUP i Recall Factory Setup + OK Confirm
Factory
Init.
4. Press ACQUIRE -+ Mode + Average 16.
5. PressMEASURE -t Select Measurement.
llllll/
i!
6. Presstic sidemenubuttonmore undlUKmenulabelMeanappears
in the
sidemenu.PressthesidemenubuttonMean.
7. Setthevertical SCALE to oneof thesettingslistedin TableE-2 thatyou
havenot yet checked. (Start with the first setting listed.)
8. PressVERTICAL
MENU-t
Position
9. TurntheGeneral Purpose Knob to settheverticalpositionto thesetting
listedin TableB-2. Thebaseline
levelmovesoff screen.
10. Pressthemainmenu button Offset.
11. Use the General Purpose Knob to setverticaloffsetto thesettinglistedin
‘fibk B-2 for thepresentverticalscalesetting.Thebaseline
levelremains
off screen.
B-6
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3
Appendix
,_-,
B: Performancr:Va’ificution
n
Table B-2: DC accuracy
Vertical scale
setting
Position
setting (divs)
Generator
settina
Offset settina
Accuracv limits
1V
I +5
I +lOOV
1+98V
1+97-l V to t98.9 V
200 mV
I +5
I*1ov
I ea.4 v
1t8.28
50 mV
I -5
l-l v
I-IXV
I -581 mV to 419 mV
5mV
IO
l-l v
I -990 mV
I -982 mV to -998 mV
V tot8.52V
12. Set the generatorto the level and polarity indicated in Table B-2 for the
vertical scale,position, and of&t settingsyou havemade.The DC test level
should appearon screen.(Ifit dots not rctum, the DC accuracycheekhas
failed for the presentvertical scalesetting of the currentchannel.)
13. Check that the readoutfor the measurementMean readouton screenis
within the limiti listed Forthe presentvertical scaleand position/offsct/gcnerator settings.
1,4.
Repeatsteps7 through 13 until you have checkedall the vertical scale
settingslisted in Table B-2. Recordthe measurementsfor eachof the 50 mV
settings.
15. Subtract the second50 mV measurementfrom the first and comparethe
result to the “A at 50 mV” limits in Table B-2.
:16. Press WAVEFORM
17.
OFF; then,pressCH 2
Set the generatoroutput to 0 V.
18. Move the test hookup to the CH 2 input.
19. Repeatsteps5 through I5 for channel2.
20. Set the generatoroutput to 0 V,
2X. Disconnect the cable at the CH 2 input connector.
DC Gain Accuracy
Offset Accuracy
i
DC gain accuracyis verified by successfulcompletion of the self tesI:s and the
DC voltage measurementaccuracy(in the previous procedure).
Offset accuracyis verified by successfulcompletion of the Self Testsandthe DC
voltage measurementaccuracy(in the previous proccdurc).
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B-7
precisioncable(ItemZ), and one50B termination(Item 1).
TimeRequired:Approximately
20 minutes.
Prerequisites:SeepageB-5.
Procedure:
1. Connect,througha 50 !J precisioncableanda 50 9 terminalion,
thesine
waveoutputof a kvekd sinewavegenerator
to CH 1 (seeFigureB-3). Set
theoutputof thegeneratorto a reference
frequencyof 50Hz.
NOTE Iiyou areverifying a TDS 380, you needa leveledsine wavegenerator
wit/za 400MHz oztputfrequency.He&rto SineWaveGenerator
Leveling
Procedure
on pageB-14jbr [email protected] on obtaining a leveledoutput&m, an
unlcvekd sine uwe generam
L
Leveled
Sine Wave
Generator
owul
b-
SO R Terminalion
Figure B-3: Hookupfor analogbandwidthcheck
1. PressSAVE/lZECAI,LSETUP+ RecallFactorySetup-+ OK Confirm
FactoryInit.
2. SetthehorizontalSCALEJO10ps/div.
3. PressTRIGGER MENU -+ Coupling-+ NoiseRej.
4. PressACQUIRE + Mode+ AverageX6.
5. PressMEASURE-+ High-Low Setup-+ Min-Mar.
6. PressthemainmenubuttonSelectMeasurement.Now pressthesidemenu
buttonmore untilthemenu labelPk-Pkappears
in thesidemenu.Pressthe
sidemenubuttonPk-Pk.
7. SettheverticalSCALEto 10mV/div.
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Appendix B: PerformanceVerification
8. Set the generatoroutput so the CHx Pk-Pk readoutequals60 :mV.
9. PressSET LEVEL TO 50% as necessaryto trigger the display.
10. Increasethe frequencyof the generatoroutput to 100 MHz (TDS 340),
200 MHz (TDS 360). or 400 MHz (TDS 380).
11. Set the horizontal SCALE to 5 ns/div (TDS 340), 2.5 ns/div (TDS 360), or
2.5 ns/div (TDS 380).
12. PressSET LEVEL TO 50% as necessaryto trigger the display.
13. Cheek that the Pk-Pk readouton screen(as shown in
Figure B-l) is 2 42.5 mV
First. increase the reference
frequency
IDrhe fesl frequency;
then decrease the horizontal
scale.
Second. read Ihe resutls
from the readout of
measuremenf Pk.Pk.
FigureB-4: Measuringanalogbandwidth
14. When fmishcd checking,set the horizontal SCALE back to the 10 @div
setting, and set the generatoroutput frequency back to 50 kHz.
15. PressWAVEFORM OFF to remove Channel 1 from the display.
16. PressCH 2 and move the hookup to the CH 2 input.
17. PressTRIGGER MENU + Source + CH 2.
18. Repeatsteps6 through 13 for CH 2.
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AppendixB: Performance
Veritication
-,I_
19. Disconnect
thetesthookup from theCH 2 inputconnector.
Time BaseSystemChecks
Thisprocedure
chec!~thosecharacteristics
that.relateto theMainandDelayed
time basesystemandarelistedascheckedunder Warrankd Chamctoirtics in
theSpcci$cations
section.
Check Long-Term Sample
Rate and Delay Time
Accuracy
EquipmentRequired:Onetime-markergenerator(Item9), oneprecision
coaxialcable,(Item2) andone50 Q termination(Item 1).
Time Required:Approximntcly5 minutes.
Prerequisites:SeepageB-5.
Procedure:
1. Connect,througha 50 Q precisioncoaxialcableanda50 Q termination,the
time-mtukoutputof a time-markergenerator
to CH 1, asshownin Fibwe
B-5. Settheoutputof thegeneratorfor 10msmarkers.
bl
-
SO II Termioafion
Figure B-5: Hookupfor sampleratecheck
2. PressSAVE/RECALLSETUP-+ Recall FactorySetup-+ OK Confirm
FactoryInit.
3. SettheverticalSCALEto 500mV/div.
4.
PressSETLEVEL TO ,SO%:usethevcrticti POSITION knobto center
thetestsignalonscreen.
5. SetthehorizontalSCALEto 1 ms/div.
6. PXSSHORIZONTAL MENU-t Trigger Position-t Setto 10%.
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Appendix B: PerformanceVcrii%at,ion
7. Adjust the horizontal POSITION to move the trigger T to the right andon
to the screen.Continue to position the trigger T to align it to the cenler
vertical gaticulc lint.
x. Pressthe main menu button Time Rase;thenpressthe side menu button
Delayed Only.
Y. Set the hodzontal SCALE of the D (delayed)time baseto 1 ms/div. Then
usechcGeneral Purpose knob to set delay time to 10 ms.
‘10. Set the horizontal SCALE of the D (dclaycd)time baseto 500 ns/div.
NOTE Whenyou changethe SECDIV in step 10, the delay time readout
changesto IO.00001or 9.99999.This is normal and has rzza
effecton the
verijication
11. Check that the rising edgeof the marker crossesthe centerhorizontal
graticule line at a point within ti.0 divisions of the gratlcule cerner.
NOTE Onedivision ofdisplacementfrom the centergraticule correspondsto
a SOppm time baseerrox
12. Disconnectthe test hookup.
DeltaTimeMeasurement Della time measurcmcntaccuracyis verified by successfulcompletion of the
Accuracy previousprocedure.
Trigger System Checks
Theseprocedurescheck thosecharacteristicsthat relate to the trigger systemand
arelisted as checkedunder WarrantedCharacteristicsin the Spccificacnlions
section
CheckEdgeTrigger
Sensitivity,DCCoupled
Equipment Required: One leveled sine wave gcncrator(Item 7 or 8), two
precision 50 SZcoaxial cables(Item 2), one 50 Q tcrmlnation (Item I), andone
BNC T connector(Item 4).
Time Required: Approximately 10 minutes.
Prerequisites: SeepageB-5.
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B-11
Verification
-,AppendixB: Performance
1. PressSAVE/RECALLSETUPJ RecallFactorySetup+ OK Confrm
FactoryInit.
2. SettheverticalSCALE to 500mV/div.
3.
Settie horizontalSCALEto 10n&iv.
4.
PressTRIGGER MENU + Made-+ Nnmal.
5. PressACQUIRE -t Mode-+ Average16.
6. Connectone50 Q cableto theoutputof thesinewavegenerator.
Attacha
BNC T connectortv theotherendof thecable.Connecta second50 Q cable
to theochersideof theBNC T connector.
7.
ConnecttheBNC T connectorto CH 1; connecttic cableto theEXTTRIG
inputthrougha 50 9 terminationasshownin FigureB-6.
ToEfl Trigger
50 n
Terrninah
FigureB-6:Hookup for triggersensitivitycheck
8. Scrthegeneratorfrequencyto 100MHZ
(Trx 340).200MH;: (TDS360).or
400 MHZ (TDS 3SO).
9.
PressMEASURE-t High-Low Setup-+ Min-Max
10. PressthemainmenubuttonSelectMeasurement.
11. Pressthesidemenubutton-more- until Amplitudeappears
in theside
menu.PressthesidemenubuttonAmplitude.
12. PressSETLEVEL TO 50%.
13. Setthetestsignalamplitudefor aboutonedivisiononscreen,Fineadjustthe
generator
outputuntil theCH I Amplitudereadoutindicates
theamplitude
is 500mV.(Readoutmayfluctuatearound500mV)
14. PressTRKGGERMENU + Slope.
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15. PKSSSET LEVEL TO 50%. Check that a stabletrigger is obtainedfor the
test waveform on both the positjve andnegativeslopes(seeEi~uccB-7).
(Use the side menu to switch betweentrigger slopes;usethe trigger LEVEL
knob to stabilize the trigger if required.) ,.
Second,
checkfor a Sable-’
’
FigureB-7: Measuringtrigger sensitivity
X6. PressWAVEFORM OFF.
17. PressCH 2.
1X. PressTRIGGER MENU + Source + Ch2.
19. Disconnectthe hookup from CEI 1 andcormectit to CH 2.
20. Set the vertical SCALE to 500 mV/ciiv.
21. RepeatstepsI4 and 15 for Channel2.
22. PressTRIGGER MENU -3 Source + EXT/lO.
23. PressMEASURE + Select Measrmnt + Amplitude.
24. Incrcascthe generatoramplitude until the amplitude measurementreads
1.5 V if you are checking a IDS 340 or TDS 360. Increasethe generator
amplitude until the amplitude measurementreads4.0 V if you are checking a
TDS 380.
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1,. Connectthe equipmentas shown in Figure B-8.
2.
Set the sine wave generatorto a referencefrequencyof 50 Wz.
3.
me sine wave gcncramr amplitude to tic requirednumberof
divisions as measuredby the oscilloscope.
4.
Note the reading on the level meter.
5.
Changethe sine wave generatorto the desirednew frequency.
6.
Input the correction factor for the new frequencyinto the level meter.
I.
,&djuS[
Adjust
the sine wave _~cncrabr amplitude until the level mMH
again
the value notedin step4. The signal amplimde is now correctly set
new frequency.
B-14
TDS 310, ‘IDS 360 & TD:
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Appendix 6: Pcrfomance Vetification
FigureB-8: Hookupfar sine wave generatorleveling
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This appendixdcscribcsthe various options as well asthe standardand optional
accessuriesthat areavailable for the TDS 340. TDS 340, andTDS 380.
Options
Options include the following.
Option14: l/O Interfaces
This option includes GPIB, RS-232, and Centronicsinterfaces,VGA video
output, and power for the DPU 411 printer. It also includesthe TDS 340,
TDS 360 & TDS 380 Programmer Manual.
You can connecta remotedisplay to the VGA 9.pin D cotmccmr on the rear
panel. Table C-6 on pageCA gives the part numberof a properly shielded
cable that is commercially available.
Becausedisplay manufacturersuse diffcrcnt pin combinationsand connectors,
you may find Ihe information in Table C-l helpful.
Table C-l: VGA output connector pins
Pin
Signal
2
1Video (monochrome analog)
I
4
1Horizontal sync @ 31.5 kHz (VGA rate)
5
I Verticalsync
I
6. 7.6
OptionsAi-AS:
InternationalPowerCords
Ground
Besidesthe standardNorth American, 110V, 60 Hz power cord, Tektronix ships
any of five alternatepower cord configurationswith the oscilloscopewhen
ordcrcd by the customer(seeTable C-2).
Table C-2: International
TDS 340, TDS 360 & TDS 380
powercords
Option
Al
Power Cord
Universal European - 220 V, 50 Hz
A2
UK- 240 V, 50 Hz
A3
Australian- 240 V, 50 Hz
user
hhnUd
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-AppendixC: OptionsandAccessories
Table C-2: international
LanguageOptions
power cords (Cont.)
Option
Power Cord
A4
North American - 240 V.60Hz
A5
Switzerland
- 220V,50Hz
..
Language
optionsprovideuserdocumentation
in followinglocallanguages
(see
TableC-3 for optionsandmanualpartnumbers):
Table C-3: Language options
Warranty-Plus
Service
Options
User manual
Language option
/ Language
Std
I”1
L3
L4
L5
L7
LR
LQ
English
French
1Gem-w
Spanish
Japanese
Simple
Chinese
Standarc!
Chinese
Korean
/ 070-9459-u
070.9431
-xx
I 070-9432-u
07O+I33~xy
070-9440-Xx
070.Q&7-xx
,.~
070.9438-Xx
070.9439xX
Reference
070.94wxx
070.9441-XX
Thek~hwin~ optionsaddto theservicesavailablewith thesYdndard,
warranty.
(Thestandardwarrantyappears
immediatelyfollowingthetitle pagein this
manual.)
n
n
n
OptionM2: Tektronixprovidestbrceyearsof warrantyplustwo years
remedialservice.
Option M3: Tektronix providestbrceyearsof warrantyplustwo years
remedialserviceandfourOscilloscope
calibrations.
OptionM8: Tektronixprovidesfour calibrations
andfour performance
verifications,oneof eachin the secondthroughthefifth yearsof service.
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Accessories
The standardaccessorieslisted in Table C-4 come with the TDS 340, TIE 360,
andTDS 380. (Refer to Table C-3 for manual part numbers.)
Table C-4: Standard accessories
ACCWOry
Reference
User Manual
U.S. Power Cord
Probes (quantity two) PGIOSB10X Passive (TDS340)
Probes (quantity two) P611lB 10X Passive(TDS 360)
Probes (quantihtwo) P6114B 10X Passive (TDS 380)
ional Accessories
You can order the optional accessorieslisted in Table C-5.
Table C-5: Optional accessories
Accessory
Part number
Scope Camera
C9. Option 4, (includesAdapter
Hood 016-1154-01)
OscilloscopeCart
Rackmount Kit (for field conversion)
016-1166-00
Soft-Sided CarryingCase
016-1156-01
Carrying Case
016-0792-01
Deluxe Transit Case
016-1157~00
Front Cover
200-3232-02
AccessonesPouch
016-1159.00
I/O Interface Field Upgrade Kit
TD3F14A
Docuwave waveform capture utilitysoftware for the PC
S60 DWAV
Printer,bubble-jet, 360 dpi, 63 cps, plain paper
HC 220
Printer,portable thermal, 112 mm paper
DPU 411
Paper for DPU 411 minter. package of five Tolls
I 006-7560.00
Programmer Manual
1070.9442-xX
Service Manual
I 070”9435-XX
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Appendix C: Options and Accessories
Accessory Probes
Thesearc other types of probesyou can use with the TDDS340,TDS 360, and
TDS 380. You can orderthe following probesseparately:
I
n
P61OlB 1X PassiveProbe
P6129B Switchable 1X-10X PassiveProbe(not recommendedfor the
TDS 360 or TDS 380)
n
P6408 ‘IT Logic Probe
n
PS 100 High Voltage Probe
q
P5200 High-Voltage Differential Probe
m
AM503S
DC/AC Current ProbeSystem
m P6561AS SMD Small-Geometry Probe
Accessory Cables
Table C-6 lists cables you can use with the TDS 340, TDS 360, and‘IDS 380.
You can order them separately.
TableC-6: Accessorycables
Cabletype
Part number
GPIE.1 meter (3.3 feet)
012-0991-01
GPIE, 2 meter (6.6 feet)
K-232, e-pin female to g-pin female connectors, null
modem, 76 inch (for AT style computers)
RS-232. g-pin female to 25pin female connectors, null
modem, 76 inch (for PC style compwers)
K-232, S-pinfemale to 25pin male connectors, null
modem, 9 feet (forserial interface plinks)
012.1298-00
135-232. g-pin female to 25.pin male connectors, 15 feet
(for modems)
Centronics, 25.pin male to 36.pin Centronics,
2.4 meter (8 feet) (for parallel printer interfaces)
012.1214-00
NEW VGA video cable. (Use an appropriate adapter
when other than a e-pin monitor connection is needed.)
TDS 340, TDS 360 & TDS 380
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User ManUd
D: General Care and Cleaning
Protect tic oscilloscopefrom adverseweatherconditions.The oscilloscopeis not
waterproof.
A!
CAUTION.To avoid damageto the oscilloscope,do not exposeit to sprays,
liauids. or solvennt~.
Inspectthe oscilkcope as often as operatingCOnditionS
oscilloscopeexterior,perform the following steps:
A!
rCqUire.
To clean the
1.
Remove loose dust on the outsideof the oscilloscopewith a lint-free cloth.
Use careto avoid scratchingtic clear plastic display filter.
2.
Use a soft cloth or papertowel dampcncdwith waterto cleanthe oscilloscope.You can use a 75% isopropyl alcohol solution for more efficient
cleaning.
CAUTION.i71awid damageto the surfhce of the oscilloscope,do not USL’nny
abrasive or chemical cleaninn apent,s.
3&l DS 380 User Mzmual
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