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10.2.1.2 Count Values

The default values for threshold upper limit and threshold low limit are 90% and

10%, respectiv

ely.

Positive Pulse Count

It is specified as the number of positive pulses that rise from under the threshold

lower limit to above the threshold upper limit.

Positive Pulse Count = n

1 n2

Threshold

Uppe

r Limit

Threshold

Lower

Limit

Negative Pulse Count

It is specified as the number o

f negativ

e pulses that fall from above the threshold

upper limit to below the threshold lower limit.

1 n2

Negative Pulse Count = n

Threshold

Upp

r Limit

Threshold

Lower

Limit

Rising Edge Count

It is specified as the number of rising edges that rise from under the threshold lower

limit to above the threshold upper limit.

Measurements

DHO1000 User Guide

140

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Table of Contents3
Safety Requirement15
General Safety Summary15
Safety Notices and Symbols17
Measurement Category17
Ventilation Requirement18
Working Environment18
Care and Cleaning20
Environmental Considerations20
Product Features21
Document Overview22
Quick Start24
General Inspection24
Appearance and Dimensions24
Figure 4.1 Front View24
To Prepare for Use25
Tilting the Oscilloscope for Easier Viewing25
Figure 4.2 Side View25
Figure 4.3 Flipping In/Out Tabs25
Connecting to Power26
Turn-On Checkout26
Figure 4.4 Connecting to Power26
Replacing the Fuse27
Figure 4.5 Replacing the Fuse27
Setting the System Language28
Connecting Probes28
Function Inspection28
Figure 4.6 Connecting the Passive Probe28
Figure 4.7 Using the Compensation Signal29
Figure 4.8 Square Waveform Signal29
Probe Compensation30
Product Overview30
Figure 4.9 Probe Compensation30
Front Panel Overview31
Figure 4.10 Front Panel31
Rear Panel Overview37
Figure 4.11 Rear Panel37
User Interface Overview39
Figure 4.12 User Interface39
Touch Screen Gestures41
Tap41
Pinch&Stretch42
Drag42
Figure 4.13 Tap Gesture42
Figure 4.14 Pinch&Stretch Gesture42
Parameter Setting Method43
Figure 4.15 Drag Gesture43
Figure 4.16 English Input Interface44
Figure 4.17 Chinese Input Interface45
Figure 4.18 String Keypad47
Figure 4.19 Numeric Keypad48
Using the Security Lock49
Accessing the Built-In Help System49
Figure 4.20 to Use the Security Lock49
Viewing the Option Information and Install the Option50
Vertical System51
To Enable or Disable the Analog Channel51
Figure 5.1 Vertical Menu51
To Adjust the Vertical Scale53
To Adjust the Vertical Offset54
To Specify Channel Coupling55
To Specify Bandwidth Limit55
To Specify Input Impedance56
To Invert a Waveform56
To Set Probe57
Figure 5.2 Waveform Invert On/Off57
Figure 5.3 Probe Setting Menu58
Table 5.1 Probe Ratio58
To Specify the Amplitude Unit60
To Adjust Bias60
To Specify the Skew60
To Turn the Channel Label Display On/Off61
Figure 5.4 Zero Offset61
Horizontal System62
To Adjust the Horizontal Time Base62
Figure 6.1 Horizontal Menu62
To Adjust the Horizontal Position63
Zoom Mode (Delayed Sweep)64
Figure 6.2 Zoom Mode65
Acquisition System66
Acquisition Mode66
Figure 7.1 Horizontal Menu66
Figure 7.2 Display Modes68
Sampling Mode69
Sample Rate69
Memory Depth70
Figure 7.3 Memory Depth71
Horizontal Expansion Reference72
Roll Mode72
XY Mode73
Figure 7.4 XY Menu74
Figure 7.5 Measurement Schematic Diagram of Phase Deviation75
Triggering the Oscilloscope76
Trigger Source76
Trigger Level77
Trigger Mode78
Figure 8.1 Schematic Diagram of the Acquisition Memory78
Trigger Coupling79
Trigger Holdoff80
Noise Rejection80
Figure 8.2 Trigger Holdoff80
Trigger Type81
Edge Trigger81
Figure 8.3 Edge Trigger Setting Menu81
Pulse Width Trigger83
Figure 8.4 Positive/Negative Pulse Width83
Figure 8.5 Pulse Width Trigger Setting Menu83
Slope Trigger85
Figure 8.6 Positive Slope Time/Negative Slope Time86
Figure 8.7 Slope Trigger Setting Menu86
Video Trigger88
Figure 8.8 Video Trigger Setting Menu89
Table 8.1 Video Standard90
Pattern Trigger91
Figure 8.9 Pattern Trigger91
Figure 8.10 Pattern Trigger Setting Menu92
Duration Trigger93
Figure 8.11 Duration Trigger94
Figure 8.12 Duration Trigger Setting Menu94
Timeout Trigger96
Figure 8.13 Timeout Trigger96
Figure 8.14 Timeout Trigger Menu97
Runt Trigger98
Figure 8.15 Runt Trigger98
Figure 8.16 Runt Trigger Setting Menu99
Window Trigger101
Figure 8.17 Window Trigger Setting Menu101
Delay Trigger103
Figure 8.18 Delay Trigger103
Figure 8.19 Delay Trigger Setting Menu103
Setup/Hold Trigger105
Figure 8.20 Setup/Hold Trigger106
Figure 8.21 Setup/Hold Trigger Setting Menu106
Nth Edge Trigger108
Figure 8.22 Nth Edge Trigger108
Figure 8.23 Nth Edge Trigger Setting Menu109
RS232 Trigger110
Figure 8.24 Schematic Diagram of RS232 Protocol110
Figure 8.25 RS232 Trigger Setting Menu111
I2C Trigger113
Figure 8.26 Sequence Diagram of I2C Protocol113
Figure 8.27 I2C Trigger Setting Menu114
Figure 8.28 Binary Format Setting115
Figure 8.29 Hexadecimal Format Setting116
SPI Trigger117
Figure 8.30 Sequential Chart of SPI Bus117
Figure 8.31 SPI Trigger Setting Menu117
CAN Trigger119
Figure 8.32 Data Frame Format of the CAN Bus120
Figure 8.33 CAN Trigger Setting Menu120
Figure 8.34 Sample Position121
LIN Trigger123
Figure 8.35 Data Frame Format of the LIN Bus123
Figure 8.36 LIN Trigger Setting Menu123
Figure 8.37 Sample Position124
Trigger Output Connector126
Math Operation127
Figure 9.1 Math Menu127
Arithmetic Operation128
Figure 9.2 Waveform Display Window of the Operation Results128
Figure 9.3 Arithmetic Operation Menu129
Figure 9.4 Operation Result Display Window129
Function Operation131
Figure 9.5 Function Operation Menu132
Figure 9.6 Operation Result Display Window133
FFT Operation135
Figure 9.7 FFT Operation Menu135
Figure 9.8 FFT Operation Window136
Table 9.1 Window Function137
Figure 9.9 Peak Search139
Logic Operation140
Figure 9.10 Logic Operation Menu140
Figure 9.11 Operation Result Display Window141
Table 9.2 Logic Operation141
Digital Filter143
Figure 9.12 Digital Filter Menu144
Figure 9.13 Operation Result Display Window144
Measurements147
Auto Scale147
Auto Measurements148
Measurement Parameter148
Time Parameters149
Figure 10.1 Time Parameters149
Count Values150
Delay and Phase Parameters152
Figure 10.2 Delay and Phase Parameters152
Voltage Parameters153
Figure 10.3 Voltage Parameters153
Other Parameters155
Select the Measurement Item155
Figure 10.4 Vertical Measurement Items156
Figure 10.5 Horizontal Measurement Items157
Figure 10.6 Other Measurement Items157
Measurement Settings158
Figure 10.7 Measurement Settings Menu158
Remove the Measurement Results161
Cursor Measurements161
Figure 10.8 Cursors161
Manual Mode163
Figure 10.9 Manual Mode Setting Menu163
Track Mode165
Figure 10.10 Manual Cursor Measurement Example165
Figure 10.11 Track Mode Setting Menu166
Figure 10.12 Track Measurement (before Horizontal Expansion)167
XY Mode168
Figure 10.13 Track Measurement (after Horizontal Expansion)168
Figure 10.14 XY Mode Setting Menu169
Digital Voltmeter (DVM) and Frequency Counter171
Digital Voltmeter (DVM)171
Measurement Settings172
Figure 11.1 DVM Setting Menu172
Remove the Measurement173
Frequency Counter173
Measurement Settings174
Figure 11.2 Frequency Counter Setting Menu174
Reset Statistics175
Remove the Measurement175
Reference Waveform176
To Enable Ref Function176
To Set the Reference Waveform176
Figure 12.1 Reference Waveform Menu176
To Set the Ref Waveform Display177
Export and Import Operation178
Pass/Fail Test180
To Enable or Disable the Pass/Fail Test Function180
Figure 13.1 Pass/Fail Test Menu180
To Select the Source181
To Create a Mask181
To Set the Output Form of the Test Results181
To Start or Stop the Pass/Fail Test Operation182
To Display the Statistics of the Test Results183
Figure 13.2 Pass/Fail Test Interface183
Protocol Decoding184
Parallel Decoding184
Figure 14.1 Schematic Diagram of Parallel Decoding184
Clock Setting (CLK)185
Figure 14.2 Parallel Decoding Menu185
Bus Setting186
Table 14.1 Bus Setting186
Display-Related Settings187
Event Table187
Figure 14.3 Parallel Decoding Event Table187
RS232 Decoding188
Figure 14.4 Schematic Diagram of RS232 Serial Bus188
Source Setting189
Figure 14.5 RS232 Decoding Menu189
To Set Data Package190
Display-Related Settings191
Event Table191
I2C Decoding192
Figure 14.6 RS232 Decoding Event Table192
Source Setting193
Figure 14.7 I2C Serial Bus193
Figure 14.8 I2C Decoding Menu193
Display-Related Settings194
Event Table194
Figure 14.9 I2C Decoding Event Table195
SPI Decoding196
Figure 14.10 SPI Serial Bus196
Figure 14.11 SPI Decoding Menu196
To Set the Source197
To Set Mode and Data197
Display-Related Settings199
Event Table199
Figure 14.12 SPI Decoding Event Table199
CAN Decoding200
Figure 14.13 CAN Decoding Menu200
Signal Configuration201
Figure 14.14 Sample Position201
Display-Related Settings202
Event Table202
Figure 14.15 CAN Decoding Event Table202
LIN Decoding203
Signal Configuration204
Figure 14.16 LIN Decoding Menu204
Display-Related Settings205
Event Table205
Figure 14.17 LIN Decoding Event Table205
15 Multi-Pane Windowing207
Figure 15.1 "Add Window" Menu207
Waveform Recording and Playing208
Common Settings208
Figure 16.1 "Record" Menu208
Record Options209
Play Options210
Figure 16.2 Minimized "Play" Menu211
Search and Navigation213
Search213
Figure 17.1 Search Menu213
Navigation215
Figure 17.2 Marktable Display215
Figure 17.3 Navigation Menu216
Figure 17.4 Simplified Navigation Menu216
Figure 17.5 "Search Event" Navigation Setting Menu217
Figure 17.6 "Frame Segment" Navigation Setting Menu217
Display Control219
Display Type219
Persistence Time219
Figure 18.1 Display Setting Menu219
Waveform Intensity220
To Set the Screen Grid220
Display Settings220
Show Scale221
Color Grade221
Waveform Freeze221
Store and Load222
To Enter the Storage Menu222
To Save a File222
Save Image222
Figure 19.1 Image Saving Setting Menu223
Save Wave224
Figure 19.2 Waveform Saving Setting Menu225
Save Setup226
Figure 19.3 Setup Saving Setting Menu226
Binary Data Format (.Bin)227
Table 19.1 bin File Format227
Table 19.2 File Header228
Table 19.3 Waveform Header228
Load a File230
Table 19.4 Waveform Data Header230
Firmware Upgrade231
Figure 19.4 Load Setting Menu231
Disk Management232
Figure 19.5 Upgrade Menu232
Figure 19.6 Disk Management Interface233
System Utility Function Setting235
I/O Setting235
Basic Settings237
About this Oscilloscope239
Other Settings240
Auto Config240
Selfcal241
Figure 20.1 Self-Calibration Menu241
Option List242
Quick Action Settings242
Figure 20.2 Quick Menu242
Self-Check244
Figure 20.3 Key Test Interface244
Figure 20.4 Touch Screen Test Interface245
Remote Control246
Remote Control Via USB247
Remote Control Via LAN247
Remote Control Via GPIB248
Figure 21.1 Search for the Available Device249
Figure 21.2 Confirm the Available Device249
Troubleshooting250
Appendix251
Appendix A: Options and Accessories251
Appendix B: Warranty251
Appendix C: Factory Settings252
Table 23.2 Factory Settings252

Brand	Rigol
Model	DHO1000 Series
Category	Test Equipment
Language	English

Rigol DHO1000 Series User Manual

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