Scientific SMO1000A-S User manual

Digital Oscilloscope
SMO1000A-S
User Manual

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Copyright © Scientific All rights reserved.
This instrument contains proprietary information, no part of this manual may be
photocopied, reproduced or translated without any prior written consent.
Information in this manual supersedes all corresponding previous released
material.
Scientific continues to improve products and reserves rights to amend part or all
of the specifications, procedures, equipment at any time without notice.
Rev 1.00/ 0116
Scientific Mes-Technik Pvt. Ltd
B-14 Industrial Estate, Pologround
Indore - 452015 (India)
Tel : [phone]/33
Fax: [phone]
Email : [email protected]
Website : www.scientificindia.com

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Table of Content
Copyright and Declaration ............................... ................................ ..........................................2
Safety Information ............................... ................................ ................................ ........................9
General Safety Summary ............................... ................................ ................................ ................9
Safety Terms and Symbols ............................... ................................ ............................................ 11
Measurement Category ............................... ................................ ................................ ................ 12
Working Environment ............................... ................................ ................................ ................... 12
Installation Overvoltage Category................................................................................................1
General Care and Cleaning............................... ................................ ................................ ....... .... 1
Document Overview............................... ................................ ................................ ...................14
Quick Start.............................. ................................ ................................ ....................................15
General Inspection............................... ................................ ................................ ...............16
Appearance and Dimensions ............................... ................................ ............................... 17
To Prepare the Oscilloscope for Use ............................... ................................ ....................18
To Adjust the Supporting Legs ............................... ................................ ................18
To Connect to Power Supply............................... ................................ ...................19
Power-on Inspection ............................... ................................ ................................ .19
To Connect the Probe ............................... ................................ ............................... 20
Function Inspection ............................... ................................ ................................ ...20
Probe Compensation ............................... ................................ ............................... .21
Front Panel Overview ............................... ................................ ............................... 22
Rear Panel Overview............................................................... ................................ 2
Front Panel Function Overview............................... ................................ ............................24
Horizontal............................... ................................ ................................ ....................24
Vertical ............................... ................................ ................................ ........................ 25
Trigger............................... ................................ ................................ .........................26
Run Control ............................... ................................ ................................ ................27
Universal Knob............................... ................................ ............................... ............28
Menu............................... ................................ ................................ ............................29
Help ............................... ................................ ................................ ................................ ...... 0
User Interface............................................................... ................................ ....................... 1
To Use the Security Lock ............................... ................................ ................................ ......
To Set the Vertical System ............................... ................................ ................................ ........ 4
To Enable the Channel ............................... ................................................................ ......... 5
To Adjust the Vertical Scale ............................... ................................ ................................ . 6
To Adjust the Vertical Position............................... ................................ ............................. 6
To Specify Channel Coupling ............................... ................................ ................................ 7
To Specify Bandwidth Limit............................... ................................ ................................ .. 7
To Specify Probe Attenuation Factor ............................... ................................ ................... 8
To Specify channel Input Impedance ............................... ................................ ................... 8
To Specify Amplitude Unit ............................... ................................ ................................ ... 8
To Invert a Waveform ............................... ................................ ................................ .......... 9

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Set the Horizontal System ............................... ................................ ................................ ..........40
Adjust the Horizontal Scale ............................... ................................ ................................ ...41
Adjust Trigger Delay ............................... ................................ ................................ ..............41
Set the Roll mode............................... ................................ ................................ ..................41
Use the Zoom Function ............................... ................................ ................................ .........42
To Set the Sample System ............................................................... ................................ .......4
Run Control ............................... ................................ ................................ ...........................44
Overview of Sampling ............................... ................................ ................................ ...........45
Sampling Theory ............................... ................................ ........................................45
Sample Rate............................... ................................ ................................ ................46
Oscilloscope Bandwidth and Sample Rate ............................... ............................47
Select Memory Depth ............................... ................................ ................................ ...........48
Select Sampling Mode............................... ................................ ................................ ...........48
Select Waveform Interpolation Method............................... ................................ ...............49
Select Acquisition Mode ............................... ................................ ................................ .......51
Normal ............................... ................................ ................................ ..........................51
Peak Detect ............................... ................................ ................................ ...................52
Average ............................... ................................ ................................ ......................... 5
High Resolution ............................... ................................ ................................ .............54
Change the Horizontal Format............................... ................................ .............................. 55
Use Sequence Mode ............................... ................................ ................................ .............56
To Trigger the Oscilloscope ............................... ................................ ................................ ......58
Trigger Source ............................... ................................................................ .......................60
Trigger Mode............................... ................................ ................................ ......................... 61
Trigger Level ............................... ................................ ................................ ..........................62
Trigger Coupling ............................... ................................ ................................ ....................62
Trigger Holdoff ............................... ................................ ................................ ......................6
Noise Rejection ............................... ................................ ................................ .....................6
Trigger Type ............................... ................................ ................................ ..........................65
Edge Trigger............................... ................................................................ ................66
Slope Trigger............................... ................................ ................................ ...............67
Pulse Trigger............................... ................................ ................................ ...............69
Video Trigger............................... ................................ ................................ ...............71
Window Trigger............................... ................................ ................................ ...........74
Interval Trigger............................... ................................ ................................ ............77
DropOut Trigger............................... ................................ ................................ ..........79
Runt Trigger ............................... ................................ ................................................81
Pattern Trigger ............................... ................................ ................................ ............8
Serial trigger and decode ............................... ................................ ................................ ..........85
IIC Trigger and Serial Decode ............................... ................................ ................................ 86
Setup for IIC Signals ............................... ................................ ................................ ..86
IIC Triggering............................... ................................ ................................ ...............87
IIC Serial Decode ............................... ................................ ................................ .......90
SPI Triggering and Serial Decode............................... ................................ ...........................92
Setup for SPI Signals............................... ................................ ................................ .92

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SPI Triggering ............................... ................................ ................................ ................95
SPI Serial Decode ............................... ................................ .............................. ...........97
UART/RS2 2 Triggering and Serial Decode............................... ................................ ...............99
Setup for UART/RS232 Signals ............................... ................................ ..................99
UART/RS232 Triggering............................... ................................ .............................100
UART/RS232 Serial Decode ............................... ................................ .....................101
To Save Reference Waveform............................... ................................ .......................... .........10
To Save REF Waveform to Internal Memory ............................... ................................ ..........104
To Display REF Waveform ............................... ................................ ............................ ...........104
To Adjust REF Waveform Display............................... ................................ ............................105
To Clear REF Waveform Display............................... ................................ ......................... ....105
To Make Math Operation............................... ................................ ................................ ............106
Units for Math Waveforms ............................... ................................ ................................ ....106
Math Operators ............................... ................................ ................................ .....................107
Addition or Subtraction............................... ................................ ................................ ..107
Multiplication and Division ............................... ................................ ............................108
FFT Operation............................... ................................ ................................ .................109
Math Function Operation............................... ................................ ................................ .......112
Differentiate ............................... ................................ ................................ ...................112
Integrate............................... ................................ ................................ .........................11
Square Root............................... ................................ ................................ ....................114
To Make Cursors Measurements ............................... ................................ ............................. .115
X Cursors ............................... ................................ ................................ ............................... .115
Y Cursors ............................................................... ................................ ............................... .115
To Make Cursor Measurements............................... ................................ .............................116
To Make Measurements............................... ................................ ................................ .................117
Type of Measurement ............................... ................................ ................................ ............118
Voltage Measurements ............................... ................................ ................................ ..118
Time Measurements ............................................................... ................................ ......120
Delay Measurements ............................... ................................ ................................ .....121
To Make Automatic Measurement............................... ................................ .........................122
To Clear Measurement Parameters............................... ................................ ........................124
To Make All Measurement ............................... ................................ ................................ .....124
Display Setting............................... ................................ ................................ ............................... .125
To Set Display Type............................... ................................ ................................ .................126
To Set Color Display............................... ................................ ................................ ................127
To Set and Clear Persistence ............................... ................................ ................................ ..127
To clear the display............................... ................................ ................................ .................128
To Select Grid Type ............................................................... ................................ ................129
To Adjust Waveform Intensity ............................... ................................ ............................... .129
To Adjust Grid Brightness ............................... ................................ ................................ .......1 1
To Adjust Transparence ............................... ................................ ................................ ..........1 1
Save and Recall............................... ................................ ................................ .............................. .1 2
Save Type............................... ................................ ................................ ............................... .1

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Internal Save and Recall ............................... ................................ ................................ .........1 4
External save and recall............................... ................................ ................................ ..........1 5
Disk Management ............................... ................................ ................................ ..................1 8
To Create a New File or Folder ............................... ................................ .......................1 9
To delete a file or folder ............................... ................................ ................................ .140
To rename a file or a folder ............................................................... ............................140
System Function Setting............................... ................................ ................................ .................141
To View the System Status............................... ................................ ................................ .....142
To Do Self Calibration ............................... ................................ ................................ .............14
To Enable or Disable the Sound ............................... ............................................................. 144
To Specify the Language ............................... ................................ ................................ ........144
To Do Pass/Fail Test ............................... ................................ ................................ ................145
To Set and Perform Pass/Fail Test ............................... ................................ .................146
To Save and Recall Test Mask ............................... ................................ ........................ .147
IO Set............................... ................................ ................................ ......................................149
To Set the USB Device ............................... ................................ ................................ ....149
To Set the LAN............................... ................................ ................................ ................150
To Set Aux Output............................... ................................ ................................ ..........151
To Enable Quick-Cal............................................................... ................................ ................152
To Update Firmware and Configuration ............................................................... ................15
Do Self Test............................... ................................ ................................ ............................. 154
Screen Test ............................... ................................ ................................ ..................... 154
Keyboard Test ............................... ................................ ................................ ................155
LED Test............................... ................................ ................................ ......................... .156
To specify Screen Saver Time ............................... ................................ ................................ .157
Option Management............................... ................................ ..............................................158
To Use the History Function............................... ................................ ................................ ...........160
Arbitrary Waveform Generator ............................... ................................ ................................ .....162
To Set Wave Type and Parameters ............................... ................................ .........................16
To Output Arbitrary Waveform............................... ................................ ............................. .165
To Set Output Load............................... ................................ ................................ .................166
Recover the Default Values of Wave Gen................................ ................................ ..............166
AWG Self Cal............................... ................................ ................................ ...........................167
Default Setup ............................... ................................ ................................ ................................ .168
Troubleshooting ............................... ................................ ................................ .............................174
Service and Support.......................................................... ................................ .............................174
Content of Figure
Figure 1 Front View............................... ................................ ................................ ...................17
Figure 2 Top View ............................... ................................ ................................ .....................17
Figure Adjust the Supporting Legs ............................... ................................ .........................18
Figure 4 To Connect to Power Supply ............................... ................................ .......................19
Figure 5 Function Inspection............................... ................................ ................................ .....20

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Figure 6 Front Panel Overview ............................... ................................ ................................ .22
Figure 7 Rear panel Overview ............................... ................................ ................................ ..2
Figure 8 Help Message............................... ................................ ................................ ............. 0
Figure 9 User Interface............................... ................................ ................................ ............. 1
Figure 10 To Use the Security Lock ............................... ................................ ..........................
Figure 11 Display Type Set to Dots............................... ................................ .......................... .49
Figure 12 x Interpolation............................... ................................ ................................ ..........50
Figure 1 Sinx Interpolation............................... ................................ ................................ .....50
Figure 14 Acquisition System ............................... ................................ ................................ ...51
Figure 15 Pulse With 0.1% Duty, Normal Mode .....................................................................52
Figure 16 Pulse With 0.1% Duty, Peak Detect Mode ............................... .............................. .52
Figure 17 With Random Noise, Normal Mode............................... ................................ .........5
Figure 18 With Random Noise, Average Mode............................... ................................ ........54
Figure 19 SEQUENCE Function Menu ............................... ................................ ...................... 56
Figure 20 HISTORY Function Menu ............................... ................................ .......................... 56
Figure 21 Turn off the Noise Reject............................... ................................ ....................64
Figure 22 Turn on the Noise Reject............................... ................................ ....................64
Figure 2 Edge Trigger............................... ................................ ................................ ..............66
Figure 24 Slope Trigger............................... ................................ .............................................68
Figure 25 Pulse Trigger............................... ................................ ................................ ........70
Figure 26 Video Trigger ............................... ................................ ................................ ............7
Figure 27 Absolute Window Trigger............................... ................................ ........................ .75
Figure 28 Relative Window Trigger ............................... ................................ ......................... .76
Figure 29 Interval Trigger ............................... ................................ ................................ .........78
Figure 0 Edge DropOut Trigger............................... ................................ .............................. .80
Figure 1 State DropOut Trigger ............................... ................................ ............................. .80
Figure 2 Runt Trigger............................... ................................ ................................ ..............82
Figure Pattern Trigger............................... ................................ ................................ ..........84
Figure 4 IIC SINGAL Menu ............................... ................................ ................................ ......86
Figure 5 IIC TRIGGER Menu............................... ................................ ................................ ....87
Figure 6 IIC Decode Menu............................... ................................ ................................ ......90
Figure 7 IIC Decode Result ............................... ................................ ................................ .....90
Figure 8 SPI SINGAL Menu ............................... ................................ ................................ .....92
Figure 9 SPI Clock Menu............................... ................................ ................................ .........92
Figure 40 MOSI Menu ............................... ................................................................ ..............92
Figure 41 MOSI Menu ............................... ................................................................ ..............9
Figure 42 SPI CS Menu ............................... ................................ ................................ .............9
Figure 4 SPI TRIG SET Menu ............................... ................................ ................................ ...95
Figure 44 SPI Trigger............................... ................................ ................................ .................96
Figure 45 SPI Decode function menu............................... ................................ .......................97
Figure 46 SPI Decode ............................... ................................ ................................ ...............97
Figure 47 UART SIGNAL Menu ............................... ................................ ................................ .99
Figure 48 BUS CONFIG Menu............................... ................................ ................................ ...99
Figure 49 UART TRIG SET Menu ............................... .............................................................100

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Figure 50 UART Trigger............................... ................................ ................................ ...........100
Figure 51 UART/RE2 2 DECODE Function Menu ............................... ................................ ...101
Figure 52 UART Decode............................... ................................ ................................ ..........101
Figure 5 Reference Waveform............................... ................................ .............................. 105
Figure 54 FFT Waveform In Split Mode ............................... ................................ ..................111
Figure 55 Differential Function Operation ............................... .............................................112
Figure 56 Integral without Offset............................... ................................ .......................... .11
Figure 57 Integral with Offset ............................... ................................ ............................... .114
Figure 58 Square Root............................... ................................ ................................ ............114
Figure 59 Measure Pulse Width............................... ................................ .............................116
Figure 60 Voltage Measurements ............................... ................................ ......................... .111
Figure 61 Overshoot............................... ................................ ................................ ...............112
Figure 62 Preshoot ............................... ................................ ................................ .................112
Figure 6 Time Measurements ............................... ................................ ............................. .11
Figure 64 Select the Measurement Parameter ............................... ................................ ......122
Figure 65 Added the Measurement ......................................................................................12
Figure 66 All Parameters Measurement ............................... ................................ ................124
Figure 67 Vectors Display............................... ................................ ................................ .......126
Figure 68 Dots Display............................... ................................ ................................ ............126
Figure 69 Color Temperature ............................... ................................ ................................ .127
Figure 70 Persist Set to Infinite ............................... ................................ ............................. .128
Figure 71 Intensity Set to 100% ............................... ................................ ............................ .1 0
Figure 72 Intensity Set to 10% ............................... ................................ .............................. .1 0
Figure 7 SAVE/RECALL File System............................... ................................ ...................... .1 5
Figure 74 Select Save Location............................... ................................ .............................. .1 6
Figure 75 File Name Dialogue ............................... ................................ ............................... .1 6
Figure 76 Input Keyboard............................... ................................ ................................ .......1 9
Figure 77 System Status ............................... ................................ ................................ .........142
Figure 78 Do Self Cal ............................... ................................ ..............................................14
Figure 79 Pass/Fail Test ............................... ................................ ................................ ..........145
Figure 80 LAN Setting Interface ............................... ................................ .............................150
Figure 81 Screen Test ............................... ................................ ................................ ............. 154
Figure 82 Keyboard Test ............................... ................................ ................................ .........155
Figure 8 LED Test ............................... ................................ ................................ ..................156
Figure 84 Screen Saver Interface ............................... ................................ ...........................157
Figure 85 OPTION Function Menu ............................... ................................ .........................158
Figure 86 LABEL Function Menu ............................... ................................ ........................... .158
Figure 87 Option Information ............................... ................................ ................................159
Figure 88 History ............................... ................................ ................................ ....................160
Figure 89 Send Wave Dialogue ............................... ................................ ............................. .165
Figure 90 Save Waveform Successfully ............................... ................................ ..................165
Figure 91 SETTING Function Menu ............................... ................................ ........................166
Figure 92 AWG Self Cal............................... ................................................................ ...........167

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Safety Information
General Safety Summary
Carefully read the following safety precautions to avoid any personal injury or
damage to the instrument and any products connected to it. To avoid potential
hazards, please use the instrument as specified.
Use Proper Power Line
Only the power cord designed for the instrument and authorized by local country could be
used.
Ground the Instrument
The instrument is grounded through the protective earth conductor of the power line. To
avoid electric shock, please make sure the instrument is grounded correctly before
connecting its input or output terminals.
Connect the Signal Wire Correctly
The potential of the signal wire is equal to the earth, so do not connect the signal wire to a
high voltage.
Look Over All Terminal s Ratings
To avoid fire or electric shock, please look over all ratings and sign instruction of the
instrument. Before connecting the instrument, please read the manual carefully to gain more
information about the ratings.
Use Proper Overvoltage Protection
Make sure that no overvoltage (such as that caused by a thunderstorm) can reach the
product, or else the operator might expose to danger of electrical shock.
Electrostatic Prevention
Operate in an electrostatic discharge protective area environment to avoid damages
induced by static discharge. Always ground both the internal and external conductors of the
cable to release static before connecting.
Keep Well Ventilation
Inadequate ventilation may cause increasing of temperature, which will eventually damage
the instrument. So keep well ventilation and inspect the intake and fan regularly.
Avoid Circuit or Components Exposed
Do not touch exposed contacts or components when the power is on.
Use proper Fuse
Use only the specified fuse.
Do Not Operate Without Covers
Do not operate the instrument with covers or panels removed.

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Do Not Operate With Suspected Failures.
If you suspect damage occurs to the instrument, have it inspected by qualified service
personnel before further operations. Any maintenance, adjustment or replacement
especially to circuits or accessories must be performed by authorized personnel.
Do Not Operate in Wet Conditions.
In order to avoid short circuiting to the interior of the device or electric shock, please do
not operate in a humid environment.
Do Not Operate in an Explosive Atmosphere.
In order to avoid damages to the device or personal injuries, it is important to operate the
device away from an explosive atmosphere.
Keep Product Surfaces Clean and Dry.
To avoid the influence of dust and/or moisture in air, please keep the surface of device
clean and dry.
Handling Safety
Please handle with care during transportation to avoid damages to
buttons, knob interfaces and other parts on the panels.