
Index
A
ABS....................................................................................................................... 5-10, 5-12
ASCII Binary..................................................................................................................C-12
ASCII Data.......................................................................................................... 12-6, 12-17
ASCII Hex Files .............................................................................................................C-12
ACSII Data Files...........................................................................................................12-17
Accept................................................................................................................... 5-11, 5-27
Accessories Available.......................................................................................................1-8
Accessories Supplies........................................................................................................1-8
Activating the Standard Function Generator...................................................................17-1
Add ...................................................................................................................................8-1
Adding Noise to Selected Channel...................................................................................9-5
Adding Noise to Waveforms.............................................................................................9-1
Addition...........................................................................................................................5-14
Additive Noise Burst .......................................................................................................5-26
Advance..........................................................................................................................7-14
Amplitude................................................................................................................ 1-27, 4-8
Analog Output for Digital Waveforms ............................................................................C-13
Arbitrary Waveform, creating..........................................................................................1-17
Arguments .....................................................................................................5-9, 5-10, 5-14
Asynchronous Noise Source ............................................................................................9-3
Attach............................................................................................................................... 6-6
Auto-Both Mode................................................................................................................6-6
Auto Clock Set.......................................................................................................13-4,13-8
Auto/Incr .........................................................................................................................11-1
Auxiliary Inputs ................................................................................................................B-6
Auxiliary Outputs..............................................................................................................B-6
Available Accessories.......................................................................................................1-8
B
BMP...................................................................................................................... 11-5, 16-1
Backspace......................................................................................................................5-11
Baseline.....................................................................................................................4-8,6-6
Bit Edit .............................................................................................................................C-9
Block.................................................................................................................................7-3
Block diagram...................................................................................................................1-9
Burst ...............................................................................................................................15-2
Burst Count.....................................................................................................................15-2
Bus value diagrams.........................................................................................................C-8
1

Index
C
COS...................................................................................................................... 5-10, 5-13
Cable Selection................................................................................................................C-4
Calculate................................................................................................................. 5-8, 5-11
Capture Feature...................................................................................................... 1-28, 4-6
Centronics.......................................................................................................................16-1
Centronics Interface........................................................................................................16-2
CHAN 1................................................................................................................... 1-11, 3-3
CHAN 2................................................................................................................... 1-11, 3-3
Changing Projects ............................................................................................................3-3
Choosing the Port for Hardcopy .....................................................................................11-1
Clearing the display..........................................................................................................2-1
Clearing the Editor............................................................................................................6-1
Clock...............................................................................................................................14-1
Clock Decade ........................................................................................................ 13-2,13-5
Clock Edges(s) ...............................................................................................................1-32
Clock Rate.....................................................................................................13-4,13-7,13-9
Clocking with the marker ................................................................................................14-4
Clock Marker...................................................................................................................1-32
Clock Rate in Dual Channel AWG’s ...............................................................................13-5
Column Matrices...........................................................................................................12-14
Comma...........................................................................................................................5-14
Communicating with Easy Wave ..................................................................................12-15
Communicating with LeCroy Digital Oscilloscopes.......................................................12-16
Communicating with MatLab ........................................................................................12-13
Communicating with PSpice.........................................................................................12-12
Compile.............................................................................................................................7-4
Configuring the LW400...................................................................................................1-33
Connector Pinout...................................................................................................... C-3,C-5
Constants........................................................................................................................5-15
Continuos mode.................................................................................................... 1-28, 15-2
Convolve...........................................................................................................................8-1
Convolution.....................................................................................................................5-15
Creating a New Arbitrary ................................................................................................1-19
Creating a Digital Waveform............................................................................................C-6
Creating a Group Sequence ..........................................................................................7-12
Cursor manipulations........................................................................................................4-1
Cursors...........................................................................................................................1-24
Cursors positioning...........................................................................................................2-6
Cursor to end.......................................................................................................... 1-25, 4-2
Cursor to grid.................................................................................................1-25, 1-26, 4-2
2

Index
Cursor, Volt.....................................................................................................................1-25
Cut.....................................................................................................................2-8, 6-2, 6-6
D
DAT extension..............................................................................................................12-13
DC........................................................................................................................... 5-6, 17-3
DO Type ...........................................................................................................................5-2
DSO..............................................................................................................................12-16
DSO Configuration Files...............................................................................................12-17
DSO File.......................................................................................................................12-17
DSO GRIB Address..........................................................................................................5-2
Decaying Exponential.....................................................................................................5-20
Default Marker...................................................................................................... 1-32, 14-1
Delay....................................................................................................................... 1-28, 4-6
Delayed Exponential Decay............................................................................................5-20
Delayed Rising Exponential............................................................................................5-21
Delayed Ramp5-18
Delete .................................................................................... 2-8, 6-7, 7-4, 10-2, 10-4, 10-4
Deleting the waveform....................................................................................................2-11
Delimited ASCII Files......................................................................................................12-9
Delta ...............................................................................................................................1-25
Destination......................................................................................................................11-1
Differentiate ......................................................................................................................8-1
Differentiation..................................................................................................................5-15
Digital Edit menu..............................................................................................................C-7
Digital Edit softkey ...........................................................................................................C-7
Digital outputs..................................................................................................................C-1
Digital output modes........................................................................................................C-1
Digital waveform amplitude values ..................................................................................C-8
“Digital” waveforms..........................................................................................................C-1
Disk Format ....................................................................................................................18-1
Disk Paths.......................................................................................................................11-5
Disk Utilities ....................................................................................................................18-1
Display............................................................................................................................1-22
Display all ............................................................................................................. 1-22, 3-11
Display clearing ................................................................................................................2-1
Display grid style.............................................................................................................1-23
Digit Select buttons.........................................................................................................1-12
Display types ....................................................................................................................3-7
Display annotation..........................................................................................................1-14
Display zoom..................................................................................................................1-22
3

Index
Divide................................................................................................................................8-1
Division...........................................................................................................................5-14
Draft...................................................................................................................... 11-2, 11-3
Dual grid ................................................................................................................... 3-7, 3-8
Dual display......................................................................................................................3-7
Dual Waveform Math........................................................................................................8-8
Duration.............................................................................................................2-7, 4-5, 5-8
E
ECL....................................................................................................1-31, C-2,C-3,C-4,C-5
ECL outputs.....................................................................................................................C-2
EXP.................................................................................................................................5-10
EasyWave Sequence .....................................................................................................12-7
EasyWave Wad..............................................................................................................12-7
EasyWave Wave ............................................................................................................12-7
EasyWave. WAV file......................................................................................................C-12
Edit....................................................................................................................................2-8
Edit Amplitude...................................................................................................................4-8
EDIT Control Group........................................................................................................1-10
Edit Equation Line..................................................................................................... 5-8, 5-9
Edit Group.......................................................................................................................1-17
Edit Options......................................................................................................................6-3
Edit Sequence .......................................................................................................... 6-2, 7-3
Edit time............................................................................................................................4-5
Edit workspaces..............................................................................................................1-10
Edge ...............................................................................................................................14-1
Enter New.......................................................................................................................12-2
Environmental..................................................................................................................B-7
Equality...........................................................................................................................5-14
Equations.................................................................................................................. 5-2, 5-7
Erasing the Default Maker..............................................................................................14-2
Example of Dual Wave.....................................................................................................8-9
Execute................................................................................................................... 5-2, 11-1
Exponential Pulse...........................................................................................................5-21
Export ...............................................................................................10-2, 10-6, 10-8, 12-18
Exporting to Floppy Disk...............................................................................................12-18
Exporting to MathCad...................................................................................................12-11
Exporting to MatLab......................................................................................................12-13
Exporting to PSpice......................................................................................................12-12
Exporting to the spreadsheet..........................................................................................12-9
Exporting Waveform files................................................................................................12-1
4

Index
External Filter....................................................................................................................9-5
External Noise Path..........................................................................................................9-5
External reference ..........................................................................................................13-6
External trigger level.......................................................................................................1-30
Extract...............................................................................................................................6-6
F
Fall...................................................................................................................................A-3
Fall time....................................................................................................................4-2, A-3
Field Mask .......................................................................................................................C-9
Filename.........................................................................................................................11-1
File naming conventions.................................................................................................11-5
FLOOR .................................................................................................................5-10, 5-13
Format ..........................................................................................................................12-18
Format Disk ....................................................................................................................18-1
Frequency.......................................................................................................................13-2
Frequency modulation....................................................................................................5-23
Frequency Sweep...........................................................................................................1-16
From ...............................................................................................................................10-5
Function Generator............................................................................................... 1-16, 17-1
Functions.......................................................................................................5-9, 5-10, 5-13
G
GPIB..........................................................................................................10-10, 16-1, 16-3
GPIB I/O Basics..............................................................................................................16-3
Gate................................................................................................................................15-3
Gated Sine............................................................................................................ 5-19, 5-26
Gated trigger...................................................................................................................1-29
Gaussian white noise......................................................................................................1-16
Generating waveforms from existing files.......................................................................1-17
GNOISE...................................................................................................5-10, 5-14, 9-1,9-2
Graphics .........................................................................................................................16-1
Grid intensity........................................................................................................... 1-23, 3-9
Grid styles............................................................................................................... 1-23, 3-9
Grid Style menu key .......................................................................................................1-23
Group Sequences..............................................................................................6-2,7-1,7-11
H
Half Wave Rectified Sine................................................................................................5-26
Hardcopy .............................................................................................................. 11-1, 11-2
Hardcopy for storing to Floppy Disk................................................................................11-4
Hardcopy outputs.............................................................................................................B-6
5

Index
Help button .....................................................................................................................1-13
Hexadecimal characters A-F ...........................................................................................C-7
Horizontal center.............................................................................................................1-22
Horizontal Time/Div. .......................................................................................................1-21
Horizontal zoom..............................................................................................................3-10
I
Import............................................................................................................10-2,10-5, 12-1
Import As ........................................................................................................................10-5
Importing ASCII Data Files...........................................................................................12-17
Importing Digital Waveforms..........................................................................................C-12
Importing from MathCad...............................................................................................12-10
Importing from MatLab..................................................................................................12-13
Importing from Pspice...................................................................................................12-12
Importing from the spreadsheet......................................................................................12-9
Importing waveform files.................................................................................................12-1
IMPORT SET................................................................................................................12-15
Import Sources ...............................................................................................................12-7
Index...............................................................................................................................11-1
Insert...............................................................................................................................1-28
Insert (Ins).......................................................................................................................1-28
Insert Mode............................................................................................................... 4-6, 6-3
Insert Wave............................................................................................................... 6-2, 6-3
Insert Wave Menu.............................................................................................................5-1
Integrate (AC)...................................................................................................................8-1
Integrate (CDC) ................................................................................................................8-1
Integration.......................................................................................................................5-15
Intensity ............................................................................................................................3-9
Interconnection Information.............................................................................................C-4
Interfaces........................................................................................................................16-1
Introductory Tutorial..........................................................................................................2-1
J
Jitter................................................................................................................................15-3
Jump...............................................................................................................................7-15
L
LOG...................................................................................................................... 5-10, 5-13
LN......................................................................................................................... 5-10, 5-13
LW400 Configuration......................................................................................................1-33
LW400 Digital Output Option...........................................................................................C-1
6

Index
LW400 Display................................................................................................................1-14
LW420 Front Panel Layout.............................................................................................1-11
LW4XX Equation ............................................................................................................12-7
LW4XX Project ...............................................................................................................12-7
LW4XX Sequence ..........................................................................................................12-7
LW4XX Waveforms ........................................................................................................12-7
LeCroy Scope File..........................................................................................................12-7
Level...............................................................................................................................15-3
Limit Clock......................................................................................................................13-8
Line...................................................................................................................................7-3
Linear Frequency Sweep................................................................................................5-23
Linking ..............................................................................................................................7-2
Listener...........................................................................................................................16-3
Live Manipulation..............................................................................................................4-4
Live Modification.............................................................................................................1-27
Live output modification..................................................................................................1-27
Live Waveform Manipulation .............................................................................2-7, 4-4, 4-7
Logarithmic Frequency Sweep.......................................................................................5-24
Logo..............................................................................................................................10-10
Loop Counter....................................................................................................................7-2
Looping.............................................................................................................................7-2
M
Manual trigger5-2
Marker...............................................................................................................................6-2
Marker clock frequency...................................................................................................14-4
Marker menu...................................................................................................................1-31
Marker output level.........................................................................................................1-31
Marker outputs...................................................................................................... 1-31, 14-1
Marker type.....................................................................................................................1-32
Masked Value..................................................................................................................C-9
“Master” Channel............................................................................................................13-2
MathCad.........................................................................................................................12-7
Mathematical grouping ...................................................................................................5-14
Math Functions.................................................................................................................8-1
Mating output connector..................................................................................................C-1
MatLab............................................................................................................................12-7
Max...........................................................................................................................4-3, A-5
Maximum........................................................................................................................1-29
Maximum Level................................................................................................................A-5
Max Clock Value.................................................................................................... 13-4,13-8
Max Voltage......................................................................................................................4-7
7

Index
Measure.................................................................................................................... 4-2, 4-3
Measurement Functions Description ............................................................................... A-2
Mechanical.......................................................................................................................B-6
Median..............................................................................................................................4-8
Median value ..................................................................................................................1-29
Menu...............................................................................................................................1-13
Min............................................................................................................................4-3, A-4
Minimum.........................................................................................................................1-29
Minimum Level.................................................................................................................A-4
Min Voltage.......................................................................................................................4-7
Min Clock Value.............................................................................................................13-4,
........................................................................................................................................13-8
Mode................................................................................................................1-25, 6-2, 6-3
Move...............................................................................................................................1-28
Move Cursor...................................................................................................................5-11
Move Feature............................................................................................................ 2-7, 4-7
Multiply............................................................................................................................5-14
Multiplication...................................................................................................................5-14
MULTITONE...................................................................................................................17-3
N
Name That File...............................................................................................................11-2
Negative Ramp...............................................................................................................5-18
New..............................................................................................3-5, 5-8, 5-11, 10-12, 10-3
New channel 1 wave.........................................................................................................3-5
New channel 2 wave.........................................................................................................3-5
New Project ....................................................................................................................1-20
New scratchpad wave.......................................................................................................3-5
NOISE............................................................................................................5-10, 5-13, 9-1
Noise Path............................................................................................................... 9-5,10-7
Numeric keypad..............................................................................................................1-13
O
Open....................................................................................................................... 5-8, 5-11
Operators................................................................................................................ 5-9, 5-10
Optimize Clock....................................................................................................... 13-7,13-8
Options .............................................................................................................................1-8
Other waves............................................................................................................ 5-2, 5-27
Over Sample Wave.........................................................................................................12-5
8

Index
Overwrite (OVR).............................................................................................................1-28
Overwrite Mode ........................................................................................................ 4-6, 6-3
P
PCX ................................................................................................................................11-6
PCX PC Paintbrush........................................................................................................16-1
PI ....................................................................................................................................5-14
PRN..........................................................................................................11-6, 12-10,12-11
Page Feed......................................................................................................................11-1
Paste......................................................................................................................... 6-2, 6-9
Path/Project....................................................................................................................10-5
Per................................................................................................................................... A-8
Period .......................................................................................................................4-3, A-8
Phase Modulation...........................................................................................................5-24
Phase Width Modulation.................................................................................................5-24
Position menu key ..........................................................................................................1-32
Preferences .......................................................................................................... 10-2, 10-9
Preferences menu ..........................................................................................................1-33
Printer.............................................................................................................................11-3
Product Assistance...........................................................................................................1-1
Programmability...............................................................................................................B-6
Programmable marker....................................................................................................14-1
Programming the Marker................................................................................................14-2
Project menu...................................................................................................................12-1
Project, new....................................................................................................................1-20
Project/Path....................................................................................................................10-6
Projects...........................................................................................................................10-4
Project Structure.............................................................................................................10-1
Properties .........................................................................................................................6-3
Proof..................................................................................................................... 11-2, 11-4
Pseudorandom Noise.......................................................................................................9-1
PSpice ............................................................................................................................12-7
Pulse.....................................................................................................5-6, 5-10, 5-13, 17-3
Q
Quality.............................................................................................................................11-1
R
Raise to a power.............................................................................................................5-14
Ramp....................................................................................................5-5, 5-17, 5-18, 17-3
Random Number Generator...................................................................................... 9-1,9-3
Rear Panel......................................................................................................................1-15
9

Index
Recalling Sequences......................................................................................................1-18
Recalling Waveforms......................................................................................................1-18
Reference.........................................................................................................................3-6
Repetitions........................................................................................................................7-3
Request Control yes/no....................................................................................................5-2
Resampling Channel 2 ...................................................................................................13-5
Rescaling........................................................................................................................12-4
Reset ..............................................................................................................................7-15
Retrigger Time................................................................................................................15-3
Rise time...........................................................................................................................4-3
Rising Exponential............................................................................................................5-2
Rotary Control Knob.......................................................................................................1-12
Row Matrices................................................................................................................12-14
S
SIN........................................................................................................................ 5-10, 5-13
SQRT.................................................................................................................... 5-10, 5-13
STEP .................................................................................................................... 5-10, 5-13
Save......................................................................................................1-21, 5-8, 5-11, 10-3
Save as........................................................................................................1-21, 5-11, 10-3
Save it................................................................................................................... 5-11, 10-3
Saving...............................................................................................................................2-9
Saving a waveform.........................................................................................................1-21
Saving Your Creation........................................................................................................2-9
Scratch Pad......................................................................................................................3-5
Screen Saver.............................................................................................1-23, 1-33, 10-10
nd
” .................................................................................................................................1-13
“2
Second Source.................................................................................................................8-1
Segments..........................................................................................................................7-2
Select All................................................................................................................. 1-25, 4-2
Selecting External Reference.........................................................................................13-6
Select Line........................................................................................................................5-8
Select Wave......................................................................................................................3-1
Sequence Editor....................................................................................................... 7-3, 3-3
Sequences........................................................................................................................7-1
Set Known State.............................................................................................................10-2
Set Time/Date.................................................................................................................1-33
Setting Clock Rates for Digital Waveforms....................................................................C-11
Setting File....................................................................................................................12-15
Setting the Sample Clock Rate......................................................................13-2,13-7,13-9
Setup Options.................................................................................................................11-4
10

Index
Shaping the Noise ............................................................................................................9-5
Shipping Guidelines..........................................................................................................1-5
Show Reference...............................................................................................................3-6
Simple Waveform Editing .................................................................................................2-8
Sine................................................................................................................5-4, 5-19, 17-2
Sine Amplitude................................................................................................................5-23
Sine Burst.......................................................................................................................5-20
Single..............................................................................................................................15-2
Single display....................................................................................................................3-7
Single and X-Y display.............................................................................................. 3-7, 3-8
Single mode outputs.......................................................................................................1-30
Size.................................................................................................................................11-1
Smooth .............................................................................................................................8-1
Smoothing.......................................................................................................................5-15
Softkeys..........................................................................................................................1-13
Source File............................................................................................................ 10-5, 10-6
Source 2 ...........................................................................................................................8-8
Specifications...................................................................................................................B-1
Splitting the grid................................................................................................................3-8
Spreadsheet ...................................................................................................................12-7
Square.................................................................................................................... 5-5, 17-2
Standard Waves...............................................................................................................5-2
Subtract ............................................................................................................................8-1
Subtraction......................................................................................................................5-14
Sweep.............................................................................................................................1-16
Synchronous Noise...........................................................................................................9-1
System..............................................................................................................................9-5
System Menu..................................................................................................................10-9
System preference menu................................................................................................1-23
System softkey ...............................................................................................................1-33
T
TAN....................................................................................................................... 5-10, 5-13
TIF ........................................................................................................................ 11-6, 16-1
TTL ..........................................................................................................1-31, C-2, C-4,C-5
Talker..............................................................................................................................16-3
Target File............................................................................................................. 10-5, 10-6
Target File Names........................................................................................................12-18
threshold.........................................................................................................................15-3
TIME...............................................................................................................................1-28
Time/Date display...............................................................................................1-23, 10-10
Time Cursor..............................................................................................1-24, 2-6, 4-1, 4-2
11

Index
Time cursors toggle switch.............................................................................................1-23
Time left.................................................................................................................. 1-24, 2-6
Time Reversed Step.......................................................................................................5-16
Track....................................................................................................................... 1-24, 4-2
Track mode.....................................................................................................................1-24
Trapezoidal Pulse...........................................................................................................5-19
Triangle................................................................................................................... 5-5, 17-2
Trigger ............................................................................................................................15-1
Trigger Characteristics....................................................................................................15-3
Trigger Delay..................................................................................................................15-3
Triggering an external oscilloscope ..................................................................................3-2
Triggering Characteristics................................................................................................B-4
Triggering markers..........................................................................................................1-29
Trigger Input ...................................................................................................................15-1
Trigger menu ..................................................................................................................1-29
Trigger modes....................................................................................................... 15-1, 15-2
Trigger Setup..................................................................................................................15-1
Trigger sources...............................................................................................................1-29
Tri-level Pulse.................................................................................................................5-17
Truncated Ramp.............................................................................................................5-18
Tutorial..............................................................................................................................2-1
Type.............................................................................................................1-22, 11-1, 11-3
U
UNDO..............................................................................................................1-28, 2-8, 6-6
Unit Pulse .......................................................................................................................5-16
Unit Step.........................................................................................................................5-16
Use Current ....................................................................................................................12-2
Using Hardcopy for Printing............................................................................................11-3
V
Variables........................................................................................................5-9, 5-10, 5-14
Vertical Center................................................................................................................1-21
Vertical Volts/Div.............................................................................................................1-21
Vertical Zoom..................................................................................................................3-10
VIEW control group...........................................................................................................1-9
Viewing, waveform............................................................................................................3-1
Volt bottom......................................................................................................................1-24
Volt top............................................................................................................................1-24
Volt Cursor......................................................................................................................1-24
Volt Cursors toggle.........................................................................................................1-24
12

Index
Voltage Cursors................................................................................................................4-3
W
WIDP ........................................................................................................................4-3, A-7
Warranty Information........................................................................................................1-1
Waveform .........................................................................................................................7-3
Waveform Addition .........................................................................................................5-15
Waveform Division..........................................................................................................5-15
Waveform editing, simple .................................................................................................2-8
Waveform multiplication..................................................................................................5-15
Waveform Output Characteristics....................................................................................B-2
Waveform saving............................................................................................................1-20
Waveform selection..........................................................................................................3-3
Waveform Sequences Using Digital Waveforms...........................................................C-13
Waveform Sequencing .....................................................................................................7-5
Waveform subtraction.....................................................................................................5-15
Waveform viewing ............................................................................................................3-1
Wavemath............................................................................................................... 8-1, 5-15
Wave options....................................................................................................................6-3
Waves Are......................................................................................................................12-5
Waves, other.....................................................................................................................5-2
WaveStation Concept.......................................................................................................1-8
What ...................................................................................................................... 10-4,10-8
White Noise ......................................................................................................................9-3
Width Positive..................................................................................................................A-7
Write Protect...................................................................................................................10-9
X
X-Y display........................................................................................................................3-8
Z
Zoom..............................................................................................................1-21, 2-5, 3-10
Zoom previous...................................................................................................... 1-21, 3-11
Zoom to cursor...................................................................................................... 1-21, 3-11
13