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