Scientific SMO2000X-E User manual

Digital Oscilloscope
SMO2000X-E
User Manual

Scientific
SMO2000X-E User Manual 2/198
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.
Ver_1.00/ 1020
Scientific Mes-Technik Pvt. Ltd
B-14 Industrial Estate, Pologround
Indore - 452015 (India)
Tel : [phone]/33
Fax: [phone]
Email : sa[email protected]
Website : www.scientificindia.com

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Contents
1. Introduction..........................................................................................................9
2. General Safety Summary.....................................................................................10
2.1 Safety Terms and Symbols ......................................................................12
2.2 Working Environment ..............................................................................12
2.3 Cooling Requirements..............................................................................13
2.4 AC Power.................................................................................................14
2.5 Power & Ground Connections ..................................................................14
2.6 Calibration................................................................................................14
2.7 Cleaning...................................................................................................15
2.8 Abnormal Conditions................................................................................ 15
3. Quick Start ..........................................................................................................16
3.1 General Inspection ...................................................................................17
3.2 Appearance and Dimensions ...................................................................18
3.3 Prepare for Using ....................................................................................19
3.3.1 Adjust the Supporting Legs.........................................................19
3.3.2 Connect the Power Supply .........................................................19
3.3.3 Power-on Inspection ..................................................................19
3.3.4 Connect the Probe .....................................................................20
3.3.5 Function Inspection ....................................................................20
3.4 Probe Compensation ...............................................................................21
3.5 Front Panel Overview...............................................................................22
3.6 Rear Panel Overview ..............................................................................23
3.7 Front Panel Function Overview ...............................................................24
3.7.1 Horizontal ..................................................................................24
3.7.2 Vertical ......................................................................................25
3.7.3 Trigger .......................................................................................26
3.7.4 Run Control ...............................................................................27
3.7.5 Universal Knob ...........................................................................28
3.7.6 Menu .........................................................................................29
3.8 Help ........................................................................................................31
3.9 User Interface ..........................................................................................32
3.10 Security Lock ...........................................................................................34
4. Vertical System .................................................................................................... 35
4.1 Enable the Channel .................................................................................36
4.2 Vertical Scale ..........................................................................................36
4.3 Vertical Position ......................................................................................37

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4.4 Coupling ..................................................................................................37
4.5 Bandwidth Limit .......................................................................................38
4.6 Probe .......................................................................................................38
4.7 Input Impedance ......................................................................................39
4.8 Unit .........................................................................................................39
4.9 Deskew ...................................................................................................39
4.10 Invert........................................................................................................39
4.11 Trace Visible/Hidden ...............................................................................40
5. Horizontal System ...............................................................................................41
5.1 Horizontal Scale ......................................................................................42
5.2 Trigger Delay ...........................................................................................42
5.3 Roll ..........................................................................................................42
5.4 Zoom .......................................................................................................43
6. Sample System .................................................................................................... 45
6.1 Run Control ............................................................................................. 46
6.2 Overview .................................................................................................47
6.2.1 Sampling Theory .......................................................................47
6.2.2 Sample Rate ..............................................................................47
6.2.3 Bandwidth and Sample Rate .....................................................48
6.3 Memory Depth..........................................................................................49
6.4 Sampling Mode ........................................................................................49
6.5 Interpolation Method ................................................................................49
6.6 Acquisition Mode......................................................................................51
6.6.1 Normal ....................................................................................... 51
6.6.2 Peak Detect ...............................................................................52
6.6.3 Average .....................................................................................54
6.6.4 Eres ...........................................................................................55
6.7 Horizontal Format ....................................................................................55
6.8 Sequence Mode ......................................................................................57
7. Trigger ................................................................................................................. 59
7.1 Trigger Source .........................................................................................60
7.2 Trigger Mode ...........................................................................................60
7.3 Trigger Level ...........................................................................................61
7.4 Trigger Coupling.......................................................................................62
7.5 Holdoff .....................................................................................................62
7.6 Noise Rejection .......................................................................................63
7.7 Trigger Type ............................................................................................65
7.7.1 Edge Trigger...............................................................................65

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7.7.2 Slope Trigger.............................................................................. 66
7.7.3 Pulse Trigger ..............................................................................68
7.7.4 Video Trigger .............................................................................70
7.7.5 Window Trigger .........................................................................74
7.7.6 Interval Trigger ..........................................................................76
7.7.7 Dropout Trigger .........................................................................78
7.7.8 Runt Trigger ...............................................................................80
7.7.9 Pattern Trigger ...........................................................................82
8. Serial Trigger and Decode ..................................................................................84
8.1 I2C Trigger and Serial Decode ................................................................85
8.1.1 Setup for I2C Signals .................................................................85
8.1.2 I2C Trigger ................................................................................86
8.1.3 I2C Serial Decode ......................................................................89
8.2 SPI Trigger and Serial Decode ................................................................91
8.2.1 Setup for SPI Signals .................................................................91
8.2.2 SPI Trigger ................................................................................93
8.2.3 SPI Serial Decode .....................................................................94
8.3 UART Trigger and Serial Decode ............................................................95
8.3.1 Setup for UART Signals..............................................................95
8.3.2 UART Trigger ............................................................................96
8.3.3 UART Serial Decode ..................................................................97
8.4 CAN Trigger and Serial Decode ..............................................................100
8.4.1 Setup for CAN Signals ...............................................................100
8.4.2 CAN Trigger ...............................................................................100
8.4.3 CAN Serial Decode ....................................................................102
8.5 LIN Trigger and Serial Decode ................................................................104
8.5.1 Setup for LIN Signals.................................................................. 104
8.5.2 LIN Trigger ................................................................................104
8.5.3 LIN Serial Decode ......................................................................106
9. Reference Waveform ..........................................................................................109
9.1 Save REF Waveform to Internal Memory ................................................110
9.2 Display REF Waveform ...........................................................................110
9.3 Adjust REF Waveform .............................................................................110
9.4 Clear REF Waveform ..............................................................................111
10. Math ...................................................................................................................112
10.1 Units for Math Waveforms .......................................................................113
10.2 Math Operators .......................................................................................113
10.2.1 Addition or Subtraction ..............................................................113