LeCroy WavePro 7100A

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X-Stream Operator’s Manual

WM-OM-E Rev I 151

maxp Maximum Population

Definition:

The count (vertical value) of the highest population bin in a histogram.

Description:

Each bin between the parameter cursors is examined for its count. The highest

count is returned as maxp.

Example:

Here, maxp is 14.

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Default Chapter3
- Table of Contents3
Introduction19
- How to Use On-Line Help19
  - Type Styles19
  - Instrument Help19
- Windows Help20
- Returning a Product for Service or Repair20
- Technical Support20
- Staying Up-To-Date20
- Windows License Agreement21
- End-User License Agreement for Lecroy® X-Stream Software21
- Virus Protection27
- Warranty27
- Specifications28
  - Vertical System28
  - Max Input Voltage29
  - Horizontal System29
  - Acquisition System30
  - Acquisition Modes31
  - Acquisition Processing31
  - Triggering System31
  - Basic Triggers32
  - SMART Triggers32
  - SMART Triggers with Exclusion Technology32
  - Automatic Setup32
  - Probes32
  - Color Waveform Display33
  - Analog Persistence Display33
  - Zoom Expansion Traces33
  - Rapid Signal Processing33
  - Internal Waveform Memory33
  - Setup Storage33
  - Interface34
  - Auxiliary Output34
  - Auxiliary Input34
  - Math Tools (Standard)34
  - Measure Tools (Standard)35
  - Pass/Fail Testing35
  - Master Analysis Package (XMAP)36
  - Jitter and Timing Analysis Package (JTA2)36
  - Disk Drive Measurement Package (DDM2)36
  - General37
- Warranty and Service38
  - Environmental Characteristics38
  - Certifications38
  - CE Declaration of Conformity38
- Warranty40
- Windows License Agreement40
- End-User License Agreement for Lecroy X-Stream Software40
- Virus Protection46
  - Safety47
- Safety Requirements47
  - Safety Symbols47
- Operating Environment48
- Cooling49
- AC Power Source49
- Power and Ground Connections50
- Standby (Power) Switch and Scope Operational States50
- Fuse Replacement51
- Calibration51
- Cleaning51
- Abnormal Conditions52
Basic Controls53
- Front Panel Controls53
- On-Screen Toolbars, Icons, and Dialog Boxes57
  - Menu Bar Buttons57
- Dialog Boxes59
- Alternate Access Methods59
  - Mouse and Keyboard Operation59
  - Tool Bar Buttons59
- Trace Descriptors60
  - Trace Annotation61
- Screen Layout62
Installation66
- Hardware66
  - Instrument Rear Panel66
- Software66
  - Checking the Scope Status66
  - Loading Software Upgrades67
- Default Settings67
  - Wavemaster and Wavepro 7000A Series Scopes67
- Ddascopes68
- Adding a New Option68
Restoring Software70
- Using the Recovery Disk - Non-Windows XP Scopes70
- System Recovery - Windows XP Scopes70
- Recovery Procedure70
- Removable Hard Drive77
- External Monitor78
- Writable CD Drive Option79
Connecting to a Signal83
- Prolink Interface83
  - Connecting the Adapters84
- Probus Interface84
- AP-1M Hi-Z Adapter85
- Auxiliary Output Signals85
  - To Set up Auxiliary Output86
Sampling Modes87
- To Select a Sampling Mode87
- Single-Shot Sampling Mode87
  - Basic Capture Technique87
- Sequence SAMPLING Mode Working with Segments88
- RIS Sampling Mode -- for Higher Sample Rates92
- Roll Mode93
Vertical Settings and Channel Controls94
- Adjusting Sensitivity and Position94
  - To Adjust Sensitivity94
  - To Adjust the Waveform's Position94
- Coupling94
  - Overload Protection94
  - To Set Coupling94
- Probe Attenuation95
  - To Set Probe Attenuation95
- Bandwidth Limit95
  - To Set Bandwidth Limiting95
- Linear and (Sinx)/X Interpolation95
  - To Set up Interpolation95
  - Inverting Waveforms96
- Quickzoom96
  - To Turn on a Zoom96
- Finding Scale96
  - To Use Find Scale96
- Variable Gain96
  - To Enable Variable Gain96
- Channel Deskew96
  - To Set up Channel Deskew96
Timebase and Acquisition System97
- Timebase Setup and Control97
- Autosetup97
- Dual Channel Acquisition97
  - Combining of Channels97
- SDA 11000 DBI Controls98
- SMART Memory98
  - To Set up SMART Memory99
Triggering100
- Trigger Setup Considerations100
- Simple Triggers104
- SMART Triggers107
- Aux Input Trigger121
  - To Set up Aux Input121
Display Formats122
- Display Setup122
  - Sequence Mode Display122
- Persistence Setup123
- To Set up Persistence126
- Screen Saver127
- Moving Traces from Grid to Grid127
  - To Move a Channel or Math Trace127
- Zooming Waveforms128
- XY Display131
  - To Set up XY Displays131
Save and Recall133
- Saving and Recalling Scope Settings133
- Saving Screen Images134
- Saving and Recalling Waveforms134
  - Saving Waveforms134
  - Recalling Waveforms136
- Disk Utilities136
Printing and File Management138
- Print, Plot, or Copy138
- Printing138
- Managing Files139
  - Hard Disk Partitions139
100Base-T Ethernet Connection140
- Connecting to a Network140
- Communicating over the Network140
  - Windows Setups140
  - System Restore141
Track Views142
- Creating and Viewing a Trend142
- Creating a Track View142
Histograms144
- Creating and Viewing a Histogram144
- Histogram Parameters147
- Histogram Theory of Operation160
- Histogram Parameters (XMAP and JTA2 Options)163
- Histogram Peaks164
- Binning and Measurement Accuracy165
Waveform Measurements166
- Measuring with Cursors166
  - Cursor Measurement Icons166
- Cursors Setup166
  - Quick Display166
  - Full Setup167
- Overview of Parameters167
- Statistics171
- To Apply a Measure Mode171
- Measure Modes171
- Parameter Math (Xmath or XMAP Option Required)172
- Measure Gate176
  - To Set up Measure Gate177
- Help Markers178
  - To Set up Help Markers179
  - To Turn off Help Markers180
- To Customize a Parameter181
- Parameter Calculations182
- List of Parameters186
- Qualified Parameters186
  - Range Limited Parameters213
- Waveform Gated Parameters215
  - To Set up Waveform Qualifiers215
Waveform Math216
- Introduction to Math Traces and Functions216
- Math Made Easy216
  - To Set up a Math Function216
- Resampling to Deskew217
  - To Resample217
- Rescaling and Assigning Units218
  - To Set up Rescaling218
- Averaging Waveforms218
- Enhanced Resolution220
  - How the Instrument Enhances Resolution220
- To Set up Enhanced Resolution (ERES)223
- Waveform Copy223
- Waveform Sparser223
  - To Set up Waveform Sparser224
- Interpolation224
  - To Set up Interpolation224
- Fast Wave Port225
- Example Applications227
- Fft232
  - Why Use FFT232
- Improving Dynamic Range235
- Record Length235
- FFT Algorithms235
  - Glossary237
  - FFT Setup240
Analysis242
- Pass/Fail Testing242
- Setting up Pass/Fail Testing243
Utilities248
- Status248
  - To Access Status Dialog248
- Remote Communication248
  - To Set up Remote Communication248
  - To Configure the Remote Control Assistant Event Log248
- Hardcopy249
- Aux Output250
- Date & Time250
- Options252
- Preferences252
- Acquisition Status254
- Service254
- Show Windows Desktop254
- Touch Screen Calibration255
Customization256
- Customizing Your Instrument256
- Number of Samples265
- Calling Excel from Your Instrument265
- Writing VB Scripts286
- VBS Keywords and Functions301
- Debugging Scripts309
- Horizontal Control Variables309
- Calling MATLAB from the Instrument313
Customdso325
- Introduction - What Is Customdso325
- Invoking Customdso325
- Customdso Basic Mode326
- Editing a Customdso Setup File326
- Creating a Customdso Setup File328
- Customdso Plugin Mode328
- Creating a Customdso Plugin328
- Properties of the Control and Its Objects330
- Removing a Plugin333
- First Example Plugin - Exchanging Two Traces on the Grids333
- Second Example Plugin - Log-Log FFT Plot336
- Control Variables in Customdso338
Labnotebook339
- Introduction to Labnotebook339
- Preferences339
- Creating a Notebook Entry340
- Recalling Notebook Entries343
- Creating a Report344
- Formatting the Report346
- Managing Notebook Entry Data347
Dda349
- DDA Front Panel Controls349
- DDA Specifications349
- Drive Analysis Overview351
- Setting up Channel Emulation356
  - Drive Analysis Setup356
  - Channel Setup358
- Setting up Analog Compare360
  - Drive Analysis Setup360
  - Channel Setup361
- Setting up Noise Analysis361
- Setting up Disk Triggers363
- Setting up Zoom365
Dda Reference Information366
- Channel Analysis Concepts366
- Setting up to Use Drive Channel Analysis369
- Choosing an Analysis Method372
- Channel Emulation Without Reference374
  - Notes on Using Channel Emulation Without Reference376
- Channel Emulation with Reference377
  - Notes on Using Channel Emulation with Reference379
- Using Analog Compare380
  - Notes on Using Head/Analog Compare381
- Local Feature Concepts382
- Local Feature Parameters387
- Disk Standard Parameters402
- Disk PRML Parameters410
- Noise Parameters419
- PRML Channel Emulation422
- User Defined Trellis429

LeCroy WavePro 7100A

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