User Manual
AV G 1
Analog Video Generator
070-9048-03
This document applies to firmware version 2.0
and above.
www.tektronix.com
Copyright © Tektronix, Inc. All rights reserved.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published mat erial. Specifications and price change privileges reserved.
Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
WARRANTY
Tektronix warrants that the products that it manufacture s and sells will be free from defects in materials and
workmanship for a period of one (1) year from the date of shipment. If a product proves defective during this
warranty period, Tektronix, at its option, ei ther will repair the defective product without charge for parts and labor,
or will provide a replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration
of the warranty period and make suitable arrangements for the pe rformance of service. Customer shall be
responsible for packaging and shipping the defective product to the service center designated by Tektronix, with
shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a
location within the country in which the Tektronix service center is located. Customer shall be responsible for
paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or i mproper or inadequate
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage
resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;
b) to repair damage resulting from improper use or connection to incompatible e quipment; c) to repair any
damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been
modified or integrated with other products when the effect of such modification or integration increases the time
or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER W ARRANTIES, EXPRESS
OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’
RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND
EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY.
TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR
THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
Table of Contents
Getting Started
Operating Basics
General Safety Summary vii...................................
Service Safety Summary ix....................................
About This Manual xi...............................................
Related Manuals xi.................................................
Contacting Tektronix xii.............................................
Getting Started 1--1............................................
Accessories 1--2.....................................................
Configuration 1--2...................................................
Functional Check 1--3................................................
Functional Overview 2--1.......................................
Outputs 2--2.....................................................
Modulated Signals 2--2............................................
Online Help 2--2.................................................
Operating Procedures 2--3......................................
Equipment Hookup 2--3...............................................
Power On and Select the Module 2--4....................................
Output Signal 2--5...................................................
Enable/Disable the Output Signal 2--5................................
Select the Output Signal 2--5.......................................
Active Signal Parameters 2--7..........................................
Signal Information 2--8............................................
Text Overlay 2--9................................................
Video Parameters 2--11.............................................
Module Parameters 2--13...............................................
Circle Overlay 2--14...............................................
Timing 2--15.....................................................
Trigger 2--16.....................................................
Syntax and Commands
Syntax 3--1...................................................
Programming Model 3--1..............................................
SCPI Commands and Queries 3--3......................................
Functional Command Groups 3--5...............................
MMemory 3--5......................................................
Output 3--6.........................................................
Sense 3--6..........................................................
Source 3--7.........................................................
:OUTPut Commands 3--9.......................................
Command Tree 3--9..................................................
:OUTPut:CIRCle:DIAMeter(?) 3--10.....................................
AVG1 Analog Video Generator User Manual
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Table of Contents
:OUTPut:CIRCle:POSition:HORizontal(?) 3--11............................
:OUTPut:CIRCle:POSition:VERTical(?) 3--12..............................
:OUTPut:CIRCle:STATe(?) 3--13........................................
:OUTPut:CONFigure(?) 3--14...........................................
:OUTPut:STATe(?) 3--15...............................................
:OUTPut:TEXT:DATA(?) 3--16..........................................
:OUTPut:TEXT:STATe(?) 3--17.........................................
:OUTPut:TEXT:POSition:HORizontal(?) 3--18.............................
:OUTPut:TEXT:POSition:VERTical(?) 3--19...............................
:OUTPut:TRIGger:CURSor:STATe(?) 3--20................................
:OUTPut:TRIGger:POSition:HORizontal(?) 3--21...........................
:OUTPut:TRIGger:POSition:HORizontal:STEP(?) 3--22......................
:OUTPut:TRIGger:POSition:VERTical(?) 3--23.............................
:OUTPut:TRIGger:POSition:VERTical:STEP(?) 3--24.......................
:OUTPut:TRIGger:TYPE(?) 3--25.......................................
:SENSe Commands 3--27........................................
Command Tree 3--27..................................................
:SENSe:CORRection:MDELay:HORizontal(?) 3--28........................
:SENSe:CORRection:MDELay:HORizontal:STEP(?) 3--29...................
:SENSe:CORRection:MDELay:VERTical(?) 3--30..........................
:SENSe:CORRection:MDELay:VERTical:STEP(?) 3--31.....................
:SOURce Commands 3--33.......................................
Command Tree 3--34..................................................
:SOURce:MVIDeo:AMPLitude(?) 3--35...................................
:SOURce:MVIDeo:AMPLitude:STEP(?) 3--36.............................
:SOURce:MVIDeo:AVIDeo(?) 3--37......................................
:SOURce:MVIDeo:AVIDeo:STEP(?) 3--38................................
:SOURce:MVIDeo:BURSt(?) 3--39......................................
:SOURce:MVIDeo:BURSt:STEP(?) 3--40.................................
:SOURce:MVIDeo:BY(?) 3--41.........................................
:SOURce:MVIDeo:BY:STEP(?) 3--42....................................
:SOURce:MVIDeo :CHRoma:AMPLitude(?) 3--43..........................
:SOURce:MVIDeo :CHRoma:AMPLitude:STEP(?) 3--44.....................
:SOURce:MVIDeo:CHRoma:PHASe(?) 3--45..............................
:SOURce:MVIDeo:CHRoma:PHASe:STEP(?) 3--46.........................
:SOURce:MVIDeo:LUMinance(?) 3--47..................................
:SOURce:MVIDeo:LUMinance:STEP(?) 3--48.............................
:SOURce:MVIDeo:PEDestal(?) 3--49.....................................
:SOURce:MVIDeo:PEDestal:STEP(?) 3--50...............................
:SOURce:MVIDeo:RY(?) 3--51..........................................
:SOURce:MVIDeo:RY:STEP(?) 3--52....................................
:SOURce:MVIDeo:SCH:PHASe(?) 3--53..................................
:SOURce:MVIDeo:SCH:PHASe:STEP(?) 3--54.............................
:SOURce:MVIDeo:SUBCarrier:OFFSet(?) 3--55............................
:SOURce:MVIDeo:SUBCarrier:OFFSet:STEP(?) 3--56.......................
:SOURce:MVIDeo:SYNC(?) 3--57.......................................
:SOURce:MVIDeo:SYNC:STEP(?) 3--58..................................
:SOURce:MVIDeo:TIMEbase(?) 3--59....................................
:SOURce:MVIDeo:TIMEbase:STEP(?) 3--60..............................
:SOURce:VIDeo3:AMPLitude(?) 3--61...................................
:SOURce:VIDeo3:AMPLitude:STEP(?) 3--62..............................
:SOURce:VIDeo3:AVIDeo(?) 3--63......................................
ii
AVG1 Analog Video Generator User Manual
Appendices
Table of Contents
:SOURce:VIDeo3:A VIDeo:STEP(?) 3--64.................................
:SOURce:VIDeo3:BURSt(?) 3--65.......................................
:SOURce:VIDeo3:BURSt:STEP(?) 3--66..................................
:SOURce:VIDeo3:PEDestal(?) 3--67.....................................
:SOURce:VIDeo3:PEDestal:STEP(?) 3--68................................
:SOURce:VIDeo3:SYNC(?) 3--69........................................
:SOURce:VIDeo3:SYNC:STEP(?) 3--70..................................
Appendix A: Specifications A--1..................................
Certifications A--4...................................................
Standards Conformance A--4...........................................
Appendix B: SCPI Conformance Information B--1..................
Appendix C: Installation C--1....................................
Preventing Component Damage C--1.....................................
Module Installation C--2...............................................
Hardware Installation C--2.........................................
Signal Set Installation C--6.........................................
Configure Video Outputs C--9..........................................
Signal Backup and Module Removal C--10.................................
Required Equipment C--10..........................................
Signal Backup C--10...............................................
Module Removal C--10.............................................
Glossary and Index
AVG1 Analog Video Generator User Manual
iii
Table of Contents
List of Figures
Figure 2--1: Menu structure for the AVG1 Generator module 2--1.....
Figure 3--1: Example of a SCPI subsystem hierarchy 3--3............
Figure C--1: TG 2000 Platform mainframe rear panel,
showing slot numbering C--2.................................
Figure C--2: Top cover removal C--3..............................
Figure C--3: Rear panel removal C--4.............................
Figure C--4: Module flange C--4..................................
Figure C--5: Module installation C--5.............................
Figure C--6: Top screw C--6......................................
iv
AVG1 Analog Video Generator User Manual
List of Tables
Table of Contents
Table 1--1: Standard and Optional Accessories 1--2.................
Table 2--1: AVG1 Output Configurations 2--2......................
T able 3--1: :MMEMory commands 3--5...........................
T able 3--2: :OUTPut Commands 3--6.............................
Table 3--3: :SENSe Commands 3--6..............................
T able 3--4: :SOURce Commands 3--7.............................
T able A--1: Electrical specifications A--1..........................
Table A--2: Certifications and compliances A--4....................
Table B --1: SCPI Conformance Information B--1...................
Table C--1: Module slot assignments C--2..........................
AVG1 Analog Video Generator User Manual
v
Table of Contents
vi
AVG1 Analog Video Generator User Manual
General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to
this product or any products connected to it.
Only qualified personnel should perform service procedures.
To avoid potential hazards, use this product only as specified.
Injury Precautions
Product Damage
Precautions
Symbols and Terms
Avoid Electric Overload. To avoid electric shock or fire hazard, do not apply a
voltage to a terminal that is outside the range specified for that terminal.
Do Not Operate With Suspected Failures. If you suspect there is damage to this
product, have it inspected by qualified service personnel.
Terms in this Manual. These terms may appear in this manual:
WARNING. Warning statements identify conditions or practices that could result
in injury or loss of life.
CAUTION. Caution statements identify conditions or practices that could result in
damage to this product or other property.
Terms on the Product. These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read the
marking.
WARNING indicates an injury hazard not immediately accessible as you read the
marking.
CAUTION indicates a hazard to property including the product.
Symbols on the Product. The following symbols may appear on the product:
DANGER
High Voltage
AVG1 Analog Video Generator User Manual
Protective Ground
(Earth) Terminal
ATTENTION
Refer to Manual
Double
Insulated
vii
General Safety Summary
Certifications and
Compliances
Refer to the specifications section for a listing of certifications and compliances
that apply to this product.
viii
AVG1 Analog Video Generator User Manual
Service Safety Summary
Only qualified personnel should perform service procedures. Read this Service
Safety Summary and the General Safety Summary before performing any service
procedures.
Do Not Service Alone. Do not perform internal service or adjustments of this
product unless another person capable of rendering first aid and resuscitation is
present.
Disconnect Power. To avoid electric shock, disconnect the main power by means
of the power cord or, if provided, the power switch.
Use Care When Servicing With Power On. Dangerous voltages or currents may
exist in this product. Disconnect power, remove battery (if applicable), and
disconnect test leads before removing protective panels, soldering, or replacing
components.
To avoid electric shock, do not touch exposed connections.
AVG1 Analog Video Generator User Manual
ix
Service Safety Summary
x
AVG1 Analog Video Generator User Manual
Preface
About This Manual
This manual documents the capabilities, specifications, operation, and installation of the AVG1 Generator module.
This manual is composed of the following sections:
H Getting Started provides a product description, incoming inspection
procedure, and a standard and optional accessories list. It also provides
procedures on how to install signal sets.
H Operating Basics describes the windowed menu interface and how to control
the module through the interface in conjunction with the front panel.
H Syntax and Commands defines the syntax used in command descriptions,
presents a list of all command subsystems, and presents detailed descriptions
of all programming commands.
H Appendices provides additional information including the Specifications and
hardware installation procedures.
Related Manuals
The following documents are also available:
H The AVG1 Analog Video Generator Service Manual describes how to service
the AVG1 module. This optional manual must be ordered separately.
H The TG 2000 Signal Generation Platform User Manual describes how to use
the TG 2000 Platform. It also contains information about SCPI commands,
programming structure, and status and events for the platform. Some of this
information applies to all generator modules, including the AVG1 Generator
module. This manual is a standard accessary to the TG 2000 Platform
mainframe.
H The TG 2000 Signal Generation Platform Service Manual describes how to
service the mainframe to the module level and provides general information
about servicing generator modules. This optional manual must be ordered
separately.
H A module user manual is included with each optional module. C ontact your
Tektronix representative for a list of generator and special function modules.
AVG1 Analog Video Generator User Manual
xi
Preface
Contacting Tektronix
Product
Support
Service
support
Toll-free
Number
Postal
Address
For questions about using Tektronix measurement products, call
toll free in North America:
1-800-833-9200
6:00 a.m. -- 5:00 p.m. Pacific time
Or contact us by e-mail:
tm_app_supp@tek.com
For product support outside of North America, contact your
local Tektronix distributor or sales office.
Tektronix offers a range of services, including Extended
Warranty Repair and Calibration services. Contact your local
Tektronix distributor or sales office for details.
For a listing of worldwide service centers, visit our web site.
In North America:
1-800-833-9200
An operator can direct your call.
Tektronix, Inc.
Department or name (if known)
P.O. Box 500
Beaverton, OR 97077
USA
Web site www.tektronix.com
xii
AVG1 Analog Video Generator User Manual
Getting Started
Getting Started
The AVG1 Analog Video Generator module is designed to be installed in the
TG 2000 Signal Generation Platform.
The module is a high accuracy, multiformat analog video test signal generator.
The signal generation architecture is 12-bit, 27 MHz component with digital
modulation for composite signals. This ensures high accuracy, distortion free
signals within a 6 MHz video bandwidth.
This module provides three channel outputs and one trigger output. The trigger
output can be used to trigger other video equipment or an oscilloscope.
The module can generate signals in these component and composite formats:
H NTSC
H PAL
H PAL-D
H PAL-M
H PAL-N
You can create other formats with the SDP2000 program. However, the output
reconstruction filters are optimized for a 27 MHz sampling frequency.
To adjust the amplitude or time base offset parameters, follow the procedure for
Video Parameters on page 2--11. Several amplitude parameters of the signal can
be adjusted, such as luminance amplitude and chrominance gain.
The underlying time base used to generate signals can also be adjusted. When
this parameter is adjusted, it adjusts every component of the active video signal,
such as line length, subcarrier frequency if applicable, and rise time. The signal
also becomes unframed; it has no phase relationship with the genlock input
(AGL1 Generator module). Two modules with the same time base offset value
are not necessarily framed together.
H SECAM
H GBR
H YC plus composite
H Y, B -Y, an d R -Y
AVG1 Analog Video Generator User Manual
1- 1
Getting Started
Accessories
Table lists standard and optional accessories for the module. Standard accessories
are included with the module, and optional accessories are available for purchase
to use with the module.
Table 1- 1: Standard and Optional Accessories
Accessory Typo of accessory Part number
AVG1 Analog Video Generator User Manual Standard 070-9048-XX
T-10 Torx Tip Standard 003-1604-XX
Screws (2 ea.) Standard 211-0725-XX
Blank rear panel Standard 333-4113-XX
AVG1 Analog Video Generator Service Manual Optional 070-9677-XX
Configuration
The module does not require any hardware configuration. However, you can
configure the channel outputs. Refer to Configure the Outputs on page C--9 for
instructions.
1- 2
AVG1 Analog Video Generator User Manual
Functional Check
Getting Started
For this procedure, you will need a television monitor, a 75 Ω coaxial cable, and
a75Ω termination.
To determine if the module is operating correctly, follow these steps:
1. If the module is not installed into the platform, use the installation proce-
dures on page C--2.
2. Power on the platform. The platform runs a self test on all modules.
3. To determine if the self test was successful, push the Module button. Check
the display for the icon that represents the module you are inspecting. If the
module does not appear, refer to Troubleshooting in the AVG1 Analog Video
Generator Service Manual.
4. If your module was ordered separately and you installed it in the platform,
and you do not have another AVG1 Generator module already installed in the
platform, install signal sets using the procedures on page C--6.
5. Wait 20 minutes for the instrument to warm up at nominal ambient
temperature. (Signal amplitude and DC offset may vary slightly over a
range of temperatures.)
6. Perform self calibration as follows:
a. Terminate the three rear-panel signal outputs.
b. Push the Utilities button and then touch Module Self Cal.
NOTE. The original calibration file will be replaced by the new one.
c. Touch the Self Cal icon for the module you are testing
d. Touch Start Cal. The Self Cal takes 2 to 5 minutes depending on the
module. An error message indicates a failed calibration. If the Self Cal
fails, contact your Tektronix Representative for assistance.
e. When the Self Cal is successful, proceed to step 7.
7. Select a signal set and output signal that are compatible with your monitor. A
composite signal is preferred because it tests more of the module’s hardware.
8. Connect the rear-panel Output 1 connector to the television monitor’s input.
9. Configure the channel outputs for composite as follows:
a. Push the Test Signals front-panel button.
b. Touch Module Parameters.
AVG1 Analog Video Generator User Manual
1- 3
Getting Started
c. Touch Output Config.
d. Select Composite All Channels.
10. Adjust your monitor to view the signal. Check that the signal appears as
expected. For example, if you selected a color bar signal output, check for a
color bar signal on the monitor display.
11. Move the output cable to each of the channel output connectors in turn to
ensure that the appropriate signal appears.
12. Move the cable back to Output 1.
13. Select a different test signal in the same signal set and check that the
displayed signal changes. You only need to do this on Output 1.
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AVG1 Analog Video Generator User Manual
Operating Basics
Functional Overview
This section provides an overview of the AVG1 Generator module. If you are not
familiar with the operation of the TG 2000 Signal Generation Platform, refer to
the TG 2000 Signal Generation Platform User Manual before reading this
section.
Figure 2--1 shows the module’s menu structure.
Edit Module window
Touch Rename
Module
Rename Module window
Enter new name for
module
Module Parameters window
Touch Output to
enable or disable the
module output signal
Modules window
Touch Module
Parameters
Touch Module Timing,
Circle Overlay, Trigger
Output, or Output Config
Touch AVG1 module
Signal Sets window
Touch desired signal set
(usually represents format)
Test Signals window
To select output signal, touch
desired Test Signal icon until
desired signal is selected
Touch Module
Parameters
Signal Parameters
Push Modules
button
Push Edit button
Push Signal
Sets button
Push Test
Signals button
Touch Active
Active Signal Parameters window
Touch Video, Text Overlay or
Signal Information
Module Timing, Circle Overlay,Trigger, or
Set module timing with respect to the BG1
module, create circle overlay, configure trigger or
Figure 2- 1: Menu structure for the AVG1 Generator module
AVG1 Analog Video Generator User Manual
Output Config window
signal outputs
Video Parameters, Text Overlay,or
Signal Information window
Set video parameters, adjust text on
signal, or view information about the
selected signal
2- 1
Functional Overview
Outputs
Modulated Signals
This module has four BNC connectors on the rear panel: one Trigger Out and
three channel outputs. The channel outputs can be configured as shown in
Table 2--1. To configure the outputs, refer to Configure the Outputs on page C--9.
Table 2- 1: AVG1 Output Configurations
Connector GBR Y, B-Y, R-Y Hardware modulated Software modulated
Channel 1 G Y Y or Composite Composite 1
Channel 2 B B-Y C or Composite Composite 2
Channel 3 R R-Y Composite Composite 3
There are two methods of signal generation for composite signals: hardware
modulation and software modulation. Hardware modulated signals are preferred
when the lowest amount of differential phase and differential gain is required.
Hardware modulated signals use less memory than software modulated signals;
and signal parameter adjustments are more complete and responsive.
Chroma quantization makes differential phase and differential gain measurements more difficult when using modulated ramp, modulated 5 step, and
modulated 10 step signals. To minimize this effect, adjust the Chroma Gain
Video Parameter to 102.0%. Refer to page 2--11.
Online Help
Software modulated signals are preferred when three different signals are
supplied by the module at one time. PAL is not supported in this mode, because
of the 25 Hz offset.
Push the front-panel HELP button to display a help window. The help window
describes the window you were using when you pushed HELP.
2- 2
AVG1 Analog Video Generator User Manual
Operating Procedures
This section is organized into the following main topics:
H Power on the mainframe and select the module
H Select an output signal
H Active signal parameters
H Module parameters
Refer to Figure 2--1 on page 2--1 for information on how to access the appropriate windows for these procedures.
Equipment Hookup
No special test equipment is necessary for these procedures, but it will be helpful
to view the signals on a monitor. To do this, connect the module’s signal output
to a television monitor, using a 75
Ω cable and a 75 Ω termination.
AVG1 Analog Video Generator User Manual
2- 3
Operating Procedures
Power On and Select the Module
After the module is installed in the mainframe, and the mainframe is installed in
the rack or other location where it will be used, power on the mainframe and
select the module by following these steps:
1. Set the rear-panel power switch to the ON position.
2. Press the front-panel POWER switch if necessary.
3. Wait for a few seconds as the mainframe executes confidence tests on the
mainframe and modules. Check for any error messages that might appear.
4. When self tests are complete, the instrument displays icons representing each
installed generator module. If an installed module is not represented, refer to
Troubleshooting in the AVG1 Analog Video Generator Service Manual.
NOTE. The illustrations in these procedures show the factory default name
(AVG1:X where X represents the slot number in which the module is installed).
However, because you can rename the module, your icons may display a different
name. Refer to the TG 2000 Signal Generation Platform User Manual for
information about editing the module name.
5. Since you have just powered on the mainframe, the Modules window (shown
below) is displayed. To select the module at other times, push the front-panel
Modules button.
6. Touch the module icon on the display (or push the Signal Sets button if the
desired icon is already highlighted). The installed signal sets for the module
appear. Selections you make after this will pertain to the AVG1 Generator
module.
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AVG1 Analog Video Generator User Manual
Output Signal
Operating Procedures
The output signal is supplied on the two rear-panel serial outputs. To configure
the outputs, refer to Appendix C.
Enable/Disable the
Output Signal
Select the Output Signal
If you disable the module output, it releases all system resources used by this
module.
1. Select the AVG1 Generator module, if not already selected.
2. Push the Test Signals button.
3. Touch Module Parameters at the bottom of the screen. The Module
Parameters window (shown on page 2--13) appears.
4. Touch the Output icon to toggle the state of the module’s output signal.
5. Touch Quit to exit.
Use the following procedure to select the module’s output test signal. You can
select any of the AVG1 signals that are loaded in your instrument.
1. Push the Signal Sets button to open the window shown below. Check that
there is an icon for each installed signal set. If your signal sets are not
installed, refer to Signal Set Installation on page C--6.
AVG1 Analog Video Generator User Manual
2- 5
Operating Procedures
2. Touch the desired signal set on the display. The Test Signals window for the
selected signal set appears. In the following example, NTSC is selected.
3. Each test signal icon in the Test Signals window represents one or more
signals. In this example, the 100% Color Bars signal is being generated.
4. To change to another Color Bar signal, touch the Color Bar repeatedly to
cycle through all available signals. You can also display the complete list of
test signals available under a selected test-signal icon by touching the list
box or by rotating the Navigation knob, and then select a signal by pressing
the front-panel Select button.
5. To change to a different signal type, such as Linearity, touch the correspondingicononthedisplay.Thenselectthesignalasshowninstep4.
6. To select the output signal using the List window, display the list of test
signals by pushing the front-panel List button. Use the Navigation arrow
keys to highlight the module and signal, and then push the Select button.
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AVG1 Analog Video Generator User Manual
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