Teledyne WaveAce User Manual
Getting Started
Manual
WaveAce
Oscilloscopes
WaveAce Series
Oscilloscopes
Getting Started Manual
October, 2009
Manufactured under an
ISO 9000 Registered
Quality Management
System.
Visit www.lecroy.com to
view the certificate.
This electronic product is subject to disposal and recycling
regulations that vary by country and region. Many
countries prohibit the disposal of waste electronic
equipment in standard waste receptacles.
For more information about proper disposal and recycling
of your LeCroy product, please visit
www.lecroy.com/recycle.
LeCroy Corporation
700 Chestnut Ridge Road
Chestnut Ridge, NY, 10977-6499
Tel: (845) 578-6020, Fax: (845) 578 5985
Warranty
NOTE: THE WARRANTY BELOW REPLACES ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED
WARRANTY OF MERCHANTABILITY, FITNESS, OR ADEQUACY FOR ANY PARTICULAR PURPOSE OR USE. LECROY SHALL NOT BE LIABLE FOR ANY
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN CONTRACT OR OTHERWISE. THE CUSTOMER IS RESPONSIBLE FOR THE
TRANSPORTATION AND INSURANCE CHARGES FOR THE RETURN OF PRODUCTS TO THE SERVICE FACILITY. LECROY WILL RETURN ALL PRODUCTS
UNDER WARRANTY WITH TRANSPORT PREPAID.
The oscilloscope is warranted for normal use and operation, within specifications, for a period of three years from shipment. LeCroy will either
repair or, at our option, replace any product returned to one of our authorized service centers within this period. However, in order to do this we
must first examine the product and find that it is defective due to workmanship or materials and not due to misuse, neglect, accident, or abnormal
conditions or operation.
LeCroy shall not be responsible for any defect, damage, or failure caused by any of the following: a) attempted repairs or installations by personnel
other than LeCroy representatives or b) improper connection to incompatible equipment, or c) for any damage or malfunction caused by the use of
non-LeCroy supplies. Furthermore, LeCroy shall not be obligated to service a product that has been modified or integrated where the modification
or integration increases the task duration or difficulty of servicing the oscilloscope. Spare and replacement parts, and repairs, all have a 90-day
warranty.
The oscilloscope’s firmware has been thoroughly tested and is presumed to be functional. Nevertheless, it is supplied without warranty of any kind
covering detailed performance. Products not made by LeCroy are covered solely by the warranty of the original equipment manufacturer.
Internet: www.lecroy.com
© 2009 by LeCroy Corporation. All rights reserved.
LeCroy, ActiveDSO, JitterTrack, WavePro, WaveMaster, WaveSurfer, WaveLink, WaveExpert, Waverunner, and
WaveAce are registered trademarks of LeCroy Corporation. Other product or brand names are trademarks or
requested trademarks of their respective holders. Information in this publication supersedes all earlier
versions. Specifications are subject to change without notice.
WA-GSM-E RevB
917543-00-RevA
Getting Started Manual
WA-GSM-E RevB
iv
TABLE OF CONTENTS
Welcome ........................................................................ 8
Contact LeCroy for Support ........................................... 8
Thank You ...................................................................... 8
Safety Requirements ....................................................... 9
Safety Symbols ............................................................... 9
Operating Environment ............................................... 11
Safety Certification ...................................................... 12
Cooling ......................................................................... 12
AC Power Source.......................................................... 13
Power Consumption .................................................... 13
Power and Ground Connections .................................. 13
Fuse Replacement ......................................................... 14
Calibration.................................................................... 15
Cleaning ....................................................................... 15
Abnormal Conditions ................................................... 15
Hardware ..................................................................... 16
Front Panel ................................................................... 16
Back and Side Connections .......................................... 17
Basic Controls ............................................................... 18
Powering Up Your WaveAce ........................................ 18
Front Panel Controls .................................................... 20
Intensity/Adjust Knob .................................................. 20
Menu Control Buttons ................................................. 21
Menu Function Buttons ............................................... 22
General Control Buttons .............................................. 23
Run Control Buttons .................................................... 24
WaveAce Series
v
WA-GSM-E RevB
Vertical Controls ........................................................... 24
Horizontal Controls ...................................................... 25
Trigger Controls ............................................................ 26
Probes .......................................................................... 27
Probe Compensation .................................................... 27
Setting Probe Attenuation ........................................... 27
Viewing Waveforms ...................................................... 28
Turning On Traces ........................................................ 28
Setting Up the Display .................................................. 29
Understanding Display Information ............................. 30
Auto Setup .................................................................... 32
Vertical Settings and Channel Controls .......................... 34
Choosing Coupling ........................................................ 34
Limiting Bandwidth ...................................................... 35
Adjusting Sensitivity ..................................................... 36
Setting Probe Attenuation ........................................... 37
Inverting Waveforms .................................................... 38
Using the Digital Filter .................................................. 38
Sampling Modes ........................................................... 40
Acquisition Sampling Modes ........................................ 40
Acquisition Modes ........................................................ 40
Sinx/x Interpolation ...................................................... 41
Sampling Settings ......................................................... 42
Sampling Rate............................................................... 43
Acquiring Waveforms ................................................... 43
Changing the Timebase ................................................ 44
Zooming Waveforms .................................................... 44
Triggering ..................................................................... 45
Getting Started Manual
WA-GSM-E RevB
vi
Trigger Types ................................................................ 45
Edge Triggering ............................................................ 45
Pulse Triggering ........................................................... 46
Video Triggering ........................................................... 48
Slope Triggering ........................................................... 49
Alternative Triggering .................................................. 50
Analyzing Waveforms ................................................... 51
Waveform Measurements ........................................... 51
Measuring with Cursors ............................................... 51
Parameter Measurements ........................................... 54
Waveform Math .......................................................... 58
Waveform Math Overview .......................................... 58
FFT ................................................................................ 59
Creating Reference Waveforms ................................... 60
Creating Reference Waveforms ................................... 60
Save and Recall ............................................................. 63
Saving and Recalling Oscilloscope Setups .................... 63
Saving the Current Settings ......................................... 63
Recalling Setups ........................................................... 64
Saving and Recalling Waveforms ................................. 65
Saving Waveforms ....................................................... 65
Recalling Waveforms ................................................... 66
Saving Data as a .CSV File ............................................ 67
Saving a .CSV file .......................................................... 67
Saving and Printing Waveform Pictures ...................... 68
Recalling Factory Settings ............................................ 70
Using the SAVE ALL Screen .......................................... 75
Recalling Files ............................................................... 76
WaveAce Series
vii
WA-GSM-E RevB
Page 2/2 ....................................................................... 76
Creating Folders and Files ............................................ 77
Utilities ......................................................................... 78
Utility Menu ................................................................. 78
Utility Menu - Page 1/4 ................................................ 78
Utility Menu - Page 2/4 ................................................ 79
Utility Menu- Page 3/4 ................................................. 83
Utility Menu- Page 4/4 ................................................. 85
System Status ............................................................... 85
Print Setup .................................................................... 87
Print - Page 1/2............................................................. 87
Print - Page 2/2............................................................. 88
Updating the System Software .................................... 88
Using Pass/Fail .............................................................. 91
Pass/Fail - Page 1/2 ...................................................... 91
Pass/Fail - Page 2/2 ...................................................... 93
Using Record ................................................................ 95
The Record Menu (with Mode Set to Record) ............. 96
Reference ..................................................................... 99
WaveAce Specifications ............................................... 99
CERTIFICATIONS ........................................................... 99
CE Declaration of Conformity ....................................... 99
EMC Directive ............................................................... 99
Low-Voltage Directive ................................................ 100
UL and cUL .................................................................. 101
Contact LeCroy for Support ........................................ 101
Index ........................................................................... 103
Getting Started Manual
WA-GSM-E RevB
8
Welcome
Thank you for purchasing a LeCroy WaveAce product. This Getting Started Manual includes
important safety and installation information for your WaveAce Series oscilloscope, along
with operating procedures to get you started capturing, viewing, and analyzing your
waveforms.
This WaveAce Getting Started Manual provides information in the following manner:
Get acquainted with your new instrument by reviewing topics covering Hardware
(explaining the physical features of your new instrument) and Basic Controls
(demonstrating the relationship between some front panel and screen layout
controls).
Viewing Waveforms includes instructions on setting up your display and using the
auto setup function.
The next sections provide information on Vertical Settings, Sampling Modes, and
Triggering.
Analyzing Waveforms lists waveform measurements and parameter
measurements. This section also provides procedures for using Math functions and
Creating Reference Waveforms.
Remaining sections cover step-by-step procedures for Saving and Recalling
oscilloscope setups, waveforms, .CSV files, and waveform pictures. This section also
provides procedures to recall factory settings. Finally, we provide a Reference
section including certification and contact information.
Contact LeCroy for Support
When your WaveAce Series Oscilloscope is delivered, verify that all items on the packing list
or invoice copy have been shipped to you. Contact your nearest LeCroy customer service
center or national distributor if anything is missing or damaged. If you do not contact us
immediately, we cannot be responsible for replacement. If you have any problems with
your product, please refer to the Contact LeCroy for Support (on page 101) topic at the end
of this Getting Started Manual. You can also refer to additional support materials at
www.lecroy.com, or the Online Help (located in the Help menu on your instrument).
Thank You
We truly hope these materials provide increased comprehension when using LeCroy's fine
products.
Sincerely,
David C. Graef
LeCroy Corporation
Vice President and Chief Technology Officer
WaveAce Series
9
WA-GSM-E RevB
Safety Requirements
This section contains information and warnings that must be observed to
keep the instrument operating in a correct and safe condition. You are
required to follow generally accepted safety procedures in addition to the
safety precautions specified in this section.
Safety Symbols
Where the following symbols appear on the instrument’s front or rear
panels, or in this manual, they alert you to important safety
considerations.
This symbol is used where caution is required. Refer to the accompanying
information or documents in order to protect against personal injury or
damage to the instrument.
This symbol warns of a potential risk of shock hazard.
This symbol is used to denote the measurement ground connection.
This symbol is used to denote a safety ground connection.
Getting Started Manual
WA-GSM-E RevB
10
On (Supply). This is the AC mains connect/disconnect switch at the back of
the instrument.
Off (Supply). This is the AC mains connect/disconnect switch at the back of
the instrument.
This symbol shows that the switch is a Standby (power) switch located on
the front of the oscilloscope. Pressing this button toggles the oscilloscope’s
state between operating and Standby mode. This switch is not a
disconnect device. The instrument can only be placed in a complete Power
Off state by flipping the main power switch to the off (Zero) position or by
removing the power cord.
This symbol is used to denote Alternating Current.
CAUTION
The CAUTION sign indicates a potential hazard. It calls attention to a
procedure, practice or condition which, if not followed, could possibly
cause damage to equipment. If a CAUTION is indicated, do not proceed
until its conditions are fully understood and met.
WARNING
The WARNING sign indicates a potential hazard. It calls attention to a
procedure, practice or condition which, if not followed, could possibly
cause bodily injury or death. If a WARNING is indicated, do not proceed
until its conditions are fully understood and met.
WaveAce Series
11
WA-GSM-E RevB
CAT I
Installation (Overvoltage) Category rating per EN 61010-1 safety standard
and is applicable for the oscilloscope front panel measuring terminals. CAT
I rated terminals must only be connected to source circuits in which
measures are taken to limit transient voltages to an appropriately low
level.
Operating Environment
The instrument is intended for indoor use and should be operated in a
clean, dry environment. Before using this product, ensure that its
operating environment is maintained within these parameters:
Temperature: 10 to 40 °C.
Humidity: Maximum relative humidity 80 % for temperatures up to 31 °C
decreasing linearly to 50 % relative humidity at 40 °C.
Altitude: Up to 10,000 ft (3,048 m) at or below 25 °C.
Note: Direct sunlight, radiators, and other heat sources should be taken
into account when assessing the ambient temperature.
WARNING
The oscilloscope must not be operated in explosive, dusty, or wet
atmospheres.
CAUTION
Protect the oscilloscope’s display touch screen from excessive impacts with
foreign objects.
Getting Started Manual
WA-GSM-E RevB
12
CAUTION
Do not exceed the maximum specified front panel terminal CH1, CH2 (or
CH3 and CH4 on 4 channel models), and EXT TRIG voltage levels. Refer to
Specifications for more details.
Safety Certification
The design of the instrument has been verified to conform to applicable EN
61010-1, UL 61010-1 2nd Edition and CSA C22·2 No·61010-1-04 safety
standards for the following limits:
Installation (Overvoltage) Categories II (Mains Supply Connector) & I
(Measuring Terminals).
Pollution Degree 2.
Protection Class I.
PLEASE NOTE THE FOLLOWING:
Installation (Overvoltage) Category II refers to local distribution
level, which is applicable to equipment connected to the mains
supply (AC power source).
Installation (Overvoltage) Category I refers to signal level, which is
applicable to equipment measuring terminals that are connected to
source circuits in which measures are taken to limit transient
voltages to an appropriately low level.
Pollution Degree 2 refers to an operating environment where
normally only dry non-conductive pollution occurs. Conductivity
caused by temporary condensation should be expected.
Protection Class 1 refers to grounded equipment, in which
protection against electric shock is achieved by Basic Insulation and
by means of a connection to the protective ground conductor in the
building wiring.
Cooling
The instrument relies on forced air cooling with an internal fan and
ventilation openings. Care must be taken to avoid restricting the airflow
around the apertures (fan holes) at the sides of the oscilloscope.
WaveAce Series
13
WA-GSM-E RevB
Ensure adequate ventilation by leaving the required 5 cm (2 inch)
minimum gap around the sides of the instrument.
CAUTION
Do not block the ventilation holes located on both sides of the
oscilloscope.
CAUTION
Do not allow any foreign matter to enter the oscilloscope through the
ventilation holes, etc.
AC Power Source
100 to 240 VAC (+/-10%) at 50/60/400 Hz (+/-5%);Installation Category:
300V CAT II
No manual voltage selection is required because the instrument
automatically adapts to line voltage.
Power Consumption
< 50 Watts for all models (depending on accessories installed - probes, USB
devices, etc.).
Power consumption in Standby Mode: <5 Watts.
Power and Ground Connections
The instrument is provided with a 10A/250V 18AWGrated grounded cord
set containing a molded three-terminal polarized plug and a standard
IEC320 (Type C13) connector for making line voltage and safety ground
connections. The AC inlet ground terminal is connected directly to the
frame of the instrument. For adequate protection against electrical shock
hazard, the power cord plug must be inserted into a mating AC outlet
containing a safety ground contact.
Getting Started Manual
WA-GSM-E RevB
14
WARNING - Electrical Shock Hazard
Only use the power cord provided with your instrument.
Any interruption of the protective conductor inside or outside of the
oscilloscope, or disconnection of the safety ground terminal creates a
hazardous situation. Intentional interruption is prohibited.
In Standby mode, the oscilloscope is still connected to the AC supply. The
instrument can only be placed in a complete Power Off state by physically
disconnecting the power cord from the AC supply or by flipping the main
power switch on the back of the oscilloscope to the off (Zero) position (on
4 channel models).
CAUTION
The outer shells of the front panel terminals CH1, CH2 (or CH3 and CH4 on
4 channel models), and EXT TRIG are connected to the instrument’s chassis
and therefore to the safety ground.
Fuse Replacement
(4 Channel Models Only)
Set the instrument Standby (power) switch to Standby mode, flip the
mains power switch to the OFF (0) position, and disconnect the power cord
before inspecting or replacing the fuse. Open the black fuse holder
(located at the rear of the instrument below the main power switch) using
a small, flat-bladed screwdriver. Remove the old fuse, replace it with a new
5 X 20 mm T rated 1.25 A/250 V fuse, and reinstall the fuse holder.
For continued fire protection at all line voltages, replace fuse with the
specified type and rating only. Always disconnect the power cord before
replacing the fuse.
WARNING
WaveAce Series
15
WA-GSM-E RevB
Calibration
The recommended calibration interval is one year. Calibration should be
performed by qualified personnel only.
Cleaning
Clean only the exterior of the instrument, using a damp, soft cloth. Do not
use chemicals or abrasive elements. Under no circumstances allow
moisture to penetrate the instrument.
Avoid electrical shock hazard by unplugging the power cord from the AC
outlet before cleaning.
WARNING - Electrical Shock Hazard
No operator serviceable parts inside.
Do not remove covers.
Refer servicing to qualified personnel.
Abnormal Conditions
Operate the instrument only as intended by the manufacturer.
If you suspect the oscilloscope’s protection has been impaired, disconnect
the power cord and secure the instrument against any unintended
operation.
The oscilloscope’s protection is likely to be impaired if, for example, the
instrument shows visible damage or has been subjected to severe
transport stresses.
Proper use of the instrument depends on careful reading of all instructions
and labels.
WARNING
Any use of the oscilloscope in a manner not specified by the manufacturer
may impair the instrument’s safety protection.
Getting Started Manual
WA-GSM-E RevB
16
Hardware
Front Panel
The WaveAce Series oscilloscopes provide an easy-to-use front panel. The
control buttons are logically grouped. The following images show front
panel buttons and knob locations on both 4 and 2 channel models.
Figure 4-1. Front panel buttons and knob locations on 4 Channel WaveAce
Oscilloscopes.
Figure 4-2. Front panel buttons and knob locations on 2 Channel WaveAce
Previously numbered front panel buttons and knob locations for the 4 and
2 channel models, respectively, correspond with the following
explanations.
1. Power button
2. USB port
Oscilloscopes.
WaveAce Series
17
WA-GSM-E RevB
3. Menu On/Off, Menu Option buttons and Print button
4. Front Panel Controls
5. Channel inputs, External Trigger input, Probe connect
Back and Side Connections
The following images show back and side panel connection locations on
both 4 and 2 channel models.
Figure 4-3. Back panel connection locations on the 4 Channel WaveAce
Oscilloscope.
Previously numbered front panel buttons and knob locations for the 4
channel model correspond with the following explanations.
1. Security Lock Receptacle
2. Pass/Fail Output
3. RJ-45 Connector
4. USB Type B and A Receptacles
5. Power Shutoff Switch and Input Connector
Getting Started Manual
WA-GSM-E RevB
18
Figure 4-4. Back and Side panel connection locations on the 2 Channel WaveAce
Oscilloscope.
Previously numbered front panel buttons and knob locations for the 2
channel model correspond with the following explanations.
1. Pass/Fail Output
2. RS-232 Connector
3. Back USB Connector
4. Power Input Connector
Basic Controls
Powering Up Your WaveAce
1. Power On the oscilloscope by pressing the power button (located on
the lower front of the 4 channel version and top left on the 2
channel version, when facing the instrument).
WaveAce Series
19
WA-GSM-E RevB
2. The LeCroy Splash screen is shown. Press any key to continue (or,
after a brief period the grid display is shown).
3. The Grid Display is shown.
Getting Started Manual
WA-GSM-E RevB
20
Front Panel Controls
Note: Although control locations on 4 and 2 channel versions vary, the
controls themselves are identical. Meaning, the pictures used in the
following illustrations are from the 4 channel version and therefore look
the same on the 2 channel as well.
Intensity/Adjust Knob
Intensity/Adjust knob - You can use the Adjust knob with many
functions, such as adjusting the holdoff time, moving cursors,
setting the pulse width, setting the video lineage adjusting the
upper and lower frequency limits, adjusting X and Y masks when
using the Pass/Fail function, etc. You can also turn the Adjust knob
to adjust the storage position of setups, waveforms, pictures when
saving/recalling and to select menu options.
WaveAce Series
21
WA-GSM-E RevB
Menu Control Buttons
MENU ON/OFF - Press to toggle the last-displayed menu On/Off.
Menu Option buttons (1-5) - Press to choose menu options. Press a
menu option button adjacent to your selection.
Print - Press to save the current waveform to an attached USB
memory device or print a picture (screen shot) to a USB-connected
printer. You can set up the save/print options using the Save/Recall
→ Picture settings. For more information, refer to Saving and
Printing Waveform Pictures (on page 68).
Getting Started Manual
WA-GSM-E RevB
22
Menu Function Buttons
CURSORS - Press to turn on the cursors and display the Cursor
menu. You can use the Cursor menu to set the Cursor Mode (Auto,
Off, Manual, Track). When Cursors are on (CURSORS button is lit),
turn the Adjust knob to position the cursors.
ACQUIRE - Press to display Acquire menu. You can use the Acquire
menu to set the acquisition Sampling Mode (Sampling, Peak Detect,
Average). For more information on sampling modes, refer to
Acquisition Sampling Modes (on page 40).
SAVE/RECALL - Press to display the Save/Recall menu. You can use
the Save/Recall menu to save and recall up to 20 oscilloscope
setups or waveforms in internal memory (up to 20 waveforms) or
on a USB memory device (limited by memory capacity of USB
device). You can also use it to recall the default factory settings, to
save waveform data as a comma-delimited file (.CSV), and to save or
print the displayed waveform image.
MEASURE - Press to display a menu of measurement parameters.
The Display Type must be set to YT mode. For more information on
measurement parameters, refer to Parameter Measurements (on
page 54).
DISPLAY - Press to open the Display menu. You can use the Display
menu to set grid and waveform display styles, and persistence.
UTILITY - Press to open the Utility menu. You can use the Utility
menu to configure WaveAce features, such as sound, language,
counter, etc. You can also view system status and update software.
WaveAce Series
23
WA-GSM-E RevB
General Control Buttons
Note: Rectangular spotlights on the Help, Default Setup, and AUTO
buttons on the previous image are intentional. Exact button locations
vary on 4 and 2 channel models.
HELP - Displays context-sensitive online help. Press Help than
another front panel button and information about that button will
be displayed.
DEFAULT SETUP - Press to reset the oscilloscope's settings to the
default factory configuration. For a list of default settings, see
Recalling Factory Settings (on page 70).
AUTO - Press to have the oscilloscope automatically identify the
type of waveform and adjust the controls to produce a usable
display of the input signal. When you press the AUTO front panel
button, the Auto Set menu opens. You can use this menu to display
multiple-cycle signals, a single-cycle signal, the rising edge, the
falling edge or recall the previous setup.
Getting Started Manual
WA-GSM-E RevB
24
Run Control Buttons
SINGLE - Press to acquire a single waveform. Each time you press
the SINGLE button, the oscilloscope acquires another waveform.
When the oscilloscope detects a trigger it completes the acquisition
and stops.
RUN/STOP - Press when you want the oscilloscope to acquire
waveforms continuously. Press RUN/STOP again to stop the
acquisition,
Vertical Controls
Volts/Div knobs (CH1-4, pictured) - Turn to adjust the volts/division
setting (vertical gain) of the corresponding channel (CH1-4). Press
the knob to toggle between fine (variable) and coarse (fixed)
adjustments.
Channel buttons (CH1-4) - Press a channel button (CH1-4) to turn
that channel ON or OFF and open the Channel menu for that
channel. You can use the Channel menu to set up a channel. When
the channel is ON, the channel button is lit.
WaveAce Series
25
WA-GSM-E RevB
Vertical Position knobs (CH1-4) - Turn to adjust the vertical position
of the corresponding channel (CH1-4). Press to set the vertical
position to zero.
REF - Press to display the Ref Wave menu. You can use this menu to
save and recall two reference waveforms (REFA and REFB) in
internal memory.
MATH - Press to display the Math menu. You can use the Math
menu to use the oscilloscopes Math functions.
Horizontal Controls
Horizontal Position knob - Turn to adjust the horizontal position of
all channels and math waveforms (the position of the trigger
relative to the center of the screen). The resolution of this control
varies depending on the timebase setting. Press to set the
horizontal position to zero.
HORI MENU - Press to display the Horizontal menu. You can use the
Horizontal menu to display the waveform and to zoom a segment of
a waveform.
Time/Div knob - Turn to change the horizontal time scale to
magnify or compress the waveform. When Window Zone is enables,
it changes the width of the Window Zone by changing the window
timebase. When the Time/Div control is set to 100 ms/div or slower
and the trigger mode is set to Auto, the oscilloscope enters the scan
acquisition mode.
Getting Started Manual
WA-GSM-E RevB
26
In this mode, the waveform display updates from left to right. There
is no trigger or horizontal position control of waveforms during scan
mode.
Note: Select among the Horizontal menu options (Main, WinZone,
and Window) by pressing the Horizontal Time/Div front panel
knob (Push-Zoom). Once your selection is made, turning the knob
adjust the selected Zoom function.
Trigger Controls
TRIG MENU - Press to display the Trigger menu. You can use the
Trigger menu to set the trigger type (Edge, Pulse, Video, Slope,
Alternative) and trigger settings.
SET TO 50% - Press to stabilize a waveform quickly. The oscilloscope
can set the Trigger Level to be halfway between the minimum and
maximum voltage levels automatically. This is useful when you
connect a signal to the EXT TRIG connector and set the trigger
source to Ext or Ext/5.
FORCE - Press to complete the current waveform acquisition
whether the oscilloscope detects a trigger or not. This is useful for
SINGLE acquisitions and Normal trigger mode.
LEVEL - Turn to select the trigger threshold level. Press the Level
front panel knob to set the trigger level to zero.
WaveAce Series
27
WA-GSM-E RevB
Over-
Compensated
Compensated
Correctly
Under-
Compensated
Probes
LeCroy provides a passive probe for each WaveAce oscilloscope channel.
Probe Compensation
Passive probes must be compensated to flatten overshoot. This is
accomplished by means of a trimmer on the probe body.
1. Attach the connector end of your probe to any channel.
2. Connect the probe end to the CAL output connector at the front of
the oscilloscope.
3. Adjust the trim pot on the probe body until the square wave is as
flat as possible.
4. Set the Probe option attenuation to 10X by pressing the Channel
button and then the Probe menu button.
5. Set the switch to 10X on the probe.
6. Attach the probe tip to the PROBE COMP～3V connector and the
reference lead to the PROBE COMP Ground connector. Press the
corresponding channel button, and then push the AUTO button.
7. Check the shape of the displayed waveform as follows:
Setting Probe Attenuation
Probes are available with various attenuation factors which affect the
vertical scale of the signal. Push the Channel button and then the Probe
menu option button.
Getting Started Manual
WA-GSM-E RevB
28
Attenuation options for 1X, 10X, 100X, and 1000X are available as follows:
Select the attenuation that matches your probe.
PLEASE NOTE THE FOLLOWING:
The default setting for the Probe option is 1X.
Be sure that the Attenuation switch on the probe matches the
Probe option in the oscilloscope. Switch settings are 1X and 10X.
When the Attenuation switch on the probe is set to 1X, the system
bandwidth is limited to 10MHz. To use the full bandwidth of the
oscilloscope, be sure to set the switch to 10X.
Viewing Waveforms
Turning On Traces
Turn on a channel trace by pressing the channel front panel button - CH1
or CH2 (or CH3 or 4 on 4 channel models). When you turn on a channel,
the Channel flyout menu opens. You can then set up the vertical settings
and controls for the channel.
WaveAce Series
29
WA-GSM-E RevB
When the channel is ON, the channel button is lit.
Note: Turn a trace off by pressing the channel front panel button again.
Setting Up the Display
You can access the Display menu pressing the DISPLAY front panel button.
Display Menu Pages 1/2 and 2/2 options are described as follows:
1. Type - Vectors fill the space between adjacent sample points in the
display. Dots displays sample points directly.
Getting Started Manual
WA-GSM-E RevB
30
2. Persist - Sets the length of time (1 sec, 2 sec, 5 sec, Infinite) each
displayed sample point remains displayed.
3. Intensity - Turn the Universal front panel knob to set the Intensity.
4. Brightness - Turn the Universal front panel knob to set the screen
brightness.
5. Format - Choose between YT format and XY format.
6. Screen - Set to Normal mode or Inverted color display mode.
7. Grid - Display grids and axes, turn off grids, or turn off grids and
axes.
8. Menu Display - Set the length of time the menus are shown on
screen (2 seconds, 5 seconds, 10 seconds, 20 seconds, or infinite).
Understanding Display Information
The grid area contains several indicators to help you understand the
display. Indicators are coded to the channel colors).
The previously numbered indicators correspond with the following
explanations.
1. Trigger Status - The following four states are shown as highlighted
text on this part of the screen.
Loading...