Quantum Data Projector 822S User Guide

Table of  
Contents  
Making Connections .... 2  
MODEL 822S  
Proper Video  
Termination ................... 3  
Programmable Monochrome  
Video Signal Generator  
Front Panel Operation... 4  
Special Operating  
Mode (Probe Pulse) ..... 5  
Special Operating  
Mode (Reinitializing  
Memory) ...................... 7  
Special Operating  
Mode (Self Calibration of  
Analog Output Levels) .. 7  
Programming and  
Operating via  
Computer ..................... 9  
Specifications ............. 10  
Support and Service  
Contact Information..... 12  
Quick Start  
Guide  
This Quick S t a r t G uide is des igned t o help you get up a nd r unning  
q uickly wit h your video gener a t or . Det a iled inf or ma t ion on  
pr ogr a mming a nd oper a t ing t he gener a t or via it s communica t ions  
por t s ca n be f ound in t he VG M s of t wa r es on-line help f ile.  
Quantum Data, Inc.  
 
Proper Video Termination  
Improper termination of the video outputs will result in degradation (ringing, undershoot and/or  
overshoot) of the test signals. The following figures show suggested methods for connecting  
the video generator to displays having 50 and 75 Ohm input impedances in both differential and  
single ended modes of operation.  
50 Ohm Differential  
50 Ohm Single Ended  
75 Ohm Differential  
75 Ohm Single Ended  
68-00183 Rev. C  
Quantum Data, Inc.  
Page 3  
 
Front Panel Operation(Normal Mode)  
LCDWindow Information  
Format Knob  
Selects a signal format  
from knob list.  
Vertical Rate  
nearest Hz  
Horizontal Rate  
nearest KHz  
Current  
Format  
Current  
Test Image  
H31 15=VGA_m3  
V60 35=SMPTE133  
822S  
Image / Step  
Button  
Draws alternate  
versions of some  
test images  
Video Gate  
Buttons  
Turn individual  
video elements  
on and off  
Sync Gate  
Buttons  
Turn different sync  
types on and off  
Outputs  
Button  
Turns all signal  
outputs on and off  
Image Knob  
Selects a test image  
(pattern) from knob list.  
NOTES:  
1) The firmware includes a library of over 100 standard video formats. This is a common library  
shared by all our Model 801, 802 and 822 series video generators. As part of the factory  
initialization of each unit, the firmware scans all of the library formats for compatibility with a  
given model and hardware configuration. All compatible formats are added to the knob list.  
2) The firmware includes a library of over 100 built-in test images (patterns). This is a common  
library shared by all our Model 801, 802 and 822 series video generators. Some test images  
may not be compatible with some video formats and hardware configurations. An on-screen  
message indicates these patterns are not supported when they are selected.  
3) User defined video formats and custom test images can be stored in the generator using  
Quantum Data’s MS-Windows® based VGM software.  
Page 4  
Model 822S Quick Start Guide  
 
Special Operating Modes  
Probe Sync Pulse Output  
The FS connector on the sync module can output a TTL Level probe  
pulse that can be used to trigger an oscilloscope or to synchronize a  
camera used in automated vision systems. The pulse can be  
positioned manually by the operator or by commands sent by a test  
system. The horizontal timing can be set to a given pixel clock cycle relative to either the horizontal  
sync pulse or the start of active video for a given line. The vertical timing is set to a given scan line  
relative to either the vertical sync pulse or the start of active video in the frame. A marker can be added  
to the video outputs when the pulse occurs during the active portion of the video test signal.  
Example of Using the Probe Pulse Feature  
Let’s say the image displayed on the monitor looks bad at (900; 200); i.e. it is bad on active line # 200 at  
active pixel # 900 on that line. You can set the probe pulse to trigger an oscilloscope to look at the video  
signal for that position as it passes through the monitor’s circuits.  
Manually Operation of Probe Pulse Feature  
1 ) Turn the test signal outputs off using the “Outputs” button (if not already off).  
2 ) While holding down the “Image/Step” Button, press the “Outputs” button to turn the outputs on.  
3) The generator will output the same video format and test image that  
P:nnnn X:nnnn  
were last selected. The LCD window will change to the Probe Pulse  
User Interface shown here. The video and sync gating buttons get new  
L:nnnn Y:nnnn  
functions in this operating mode. You can not use the buttons to gate  
colors or change sync gating when the probe pulse feature is active.  
The number after “P:” is the position of the probe on a given scan line relative to the leading edge of  
horizontal sync measured in pixel clock cycles. The number after “L:” is the number of the scan line  
relative to the leading edge of vertical blanking. For interlaced formats the line number is relative to the  
start of blanking for the first field. If the horizontal probe position is within the active area of the screen,  
then the X coordinate of the pixel (X:nnnn) is also displayed. Likewise, if the vertical position of the  
probe is in the active area, then the Y coordinate of the line (Y:nnnn) is also displayed. For interlaced  
formats, the L count will move the probe in consecutive lines in one field of video and then move on  
through blanking and the next field of video. This will cause the Y count to increment in steps of two.  
The Format knob adjusts the “P:nnnn” horizontal timing probe position, while the Image knob adjusts  
the “L:nnnn” vertical timing probe position. The knobs have an exponential taper which is reset  
whenever the knob reverses direction. This feature provides boath coarse and fine adjustments (i.e. you  
do not have to rotate the knob a thousand times to get to where you are going.). You can also use the  
sync gating buttons lock which digits are changed by the knobs. Pressing the “ACS” button will cause  
the knobs to step the counts in 100 unit increments. Pressing the “DCS” button will cause the knobs to  
step the counts in 10 unit increments. Pressing the “DSS” button will cause the knobs to step the  
counts in 1 unit increments. Pressing the same button a second time will revert the knobs to exponential  
operation.  
68-00183 Rev. C  
Quantum Data, Inc.  
Page 5  
 
Special Operating Modes  
Probe Sync Pulse Output (Continued)  
There are two additional Probe Pulse operating modes available when outputting a progressive (non-  
interlaced) video format. Pressing the “R” video gating button will produce a probe pulse for each scan  
line that contains active video. The bottom row of the LCD will show "Probe all active" in this mode.  
Pressing the “G” video gating button will produce a probe pulse for each scan line (both active and  
blanked). The bottom row of the LCD will show "Probe all lines" in this mode. Pressing a button a  
second time will switch back to a single pulse per frame of video.  
When the probe pulse starts within the active video area, an optional marker indicating the starting  
point of the pulse can be added to the video as a reference. When present, the marker is non-destruc-  
tive (i.e. doesn’t trash the underling test image). The marker can be toggled ON and OFF, while the  
probe UI is displayed, using the Image Step button.  
Remote (Computer) Operation of Probe Pulse Feature  
The probe pulse can be controlled by sending commands to the generator via either its serial or GPIB  
(IEEE-488) ports. The commands are:  
Probe Sync Pulse Gate - PSPG  
0 = Disable Pulse, 1 = Enable Pulse  
Probe Sync Pulse Polarity - PSPP  
0 = Active Low Pulse, 1 = Active High Pulse  
Probe Sync Pulse Width - PSPW  
In pixels, sets the width of the active portion of the probe pulse.  
Limits: 0 < PSPW < (HTOT-1)  
Probe Sync Horizontal Delay PSHD  
In pixels, locates the leading edge of the probe pulse on the line relative to the leading edge of the  
horizontal sync pulse.  
Limits: 0 <= PSHD < (HTOT-PSPW-1)  
Probe Sync Vertical Delay PSVD  
In lines, assigns in which scan line the probe pulse occurs relative to the start of the vertical blanking  
interval (for the first field of video in the case of interlaced operation).  
Limits: 0 <= PSVD < (VTOT-1)  
The default values at the power up are: PSPG = 0, PSPP = 1, PSPW = 160, PSHD = 0 and PSVD = 0.  
The commands do not affect the probe pulse output until an FTMU command is issued. Multiple  
commands can be sent in one command string, using semicolons to separate the commands. No part of  
the input string is acted upon until a carriage return ends the input. The generator returns a R>\ prompt  
Page 6  
Model 822S Quick Start Guide  
 
Special Operating Modes  
Probe Sync Pulse Output (Continued)  
when it is done processing the string and ready for another one.  
Sample command string to just enable the probe pulse:  
PSPG 1; FMTU  
Reinitializing Memory  
(1) Momentarily hold down both buttons  
for about 5 seconds during power-up to  
enable re-initialization.  
Reinitializing the generator’s  
memory erases all user created  
data and sets all video ampli-  
tude calibration factors to 0.000.  
This will disable the video  
outputs until self calibration is  
performed.  
!
Exits re-initialization  
mode without making  
any changes  
Re-initializes all user  
memory locations to  
factory default contents.  
Self Calibration of Analog Output Levels  
Momentarily hold down all three video gating buttons  
for about 5 seconds during power-up to start self-  
calibration.  
The video output module on the Model 822S  
has a built-in precision voltage reference and  
comparator. They permit the video output  
levels to be easily and accurately self  
calibrated using just test cables and 50 ohm  
terminators. The cables and terminators are  
not supplied as a standard accessories with  
the 822S.  
Self Calibration  
Prompt  
Message on  
LCD  
1) The easiest way to start the procedure is to use the  
button combination shown during power up.  
Connect cables  
Then rot. I Knob  
68-00183 Rev. C  
Quantum Data, Inc.  
Page 7  
 
Special Operating Modes  
Self Calibration of Analog Output Levels (continued)  
You can also start the procedure by sending the  
following command string to the generator’s comm port  
while the unit is running:  
AVCM 1; fmtu <c a rria ge re turn>  
Details on the connections can be found on a later  
page.  
2) The LCD will display a prompt asking you to make  
the connections for calibration.  
5) Connect the 50 Ohm feedthrough terminators and  
two 50 Ohm coaxial cables as shown. The calibration  
routine can compensate for small losses in the cables  
normally with the generator if they are used for the self  
calibration connections.  
4) Rotate the Image knob to start the self calibration  
operation.  
5) Self calibration takes about one minute per module.  
The LCD will show a progress report during this time.  
Any messages indicating that the unit could not bring  
an adjustment within calibration may indicate a  
problem with your connections or with the module  
itself.  
Page 8  
Model 822S Quick Start Guide  
 
Programming and Operation via Computer  
Computer Data Ports:  
GPIB (24 pin micro-ribbon recept.)  
Protocol: IEEE-488.2  
RS-232 (9 pin male D-Sub)  
2400 Baud (factory default)  
8 Data Bits / 1 Stop Bit / No Parity  
Pin #2 Data in / Pin #3 Data out  
Pin #4 DTR in  
NOTE: GPIB address switch changes only take  
affect when unit is re-initialized. A normal power up  
cycle will not read any changes in the switch settings  
GPIB Address  
Tens Ones  
Pin #7 RTS out / Pin #8 CTS in  
10Base-T  
Test Port  
This port is not supported by the  
current firmware. Do not make any  
connections to this port.  
Reserved for use at factory for set-  
up and testing. Do not make any  
connections to this port.  
Video Generator Manager (VGM)  
Quantum Data’s VGM software package is supplied with this unit. It is the primary method of program-  
ming custom video formats and test images in the Model 822S video generator. It can also be used to  
operate the unit. The current version of VGM software is available to run under MS-Windows 95/98/NT.  
The current version only supports communication with the 822S via a serial port connection. The VGM  
software includes a help file that explains how to use the sofware. It also includes documentation on  
the command language used by the generator.  
Software Developers Kit (SDK) for Windows  
This Software Developer's Kit (SDK) consists of a DLL and library for writing custom windows 95/98/  
NT programs that communicate with all Model 801, 802 and 822 series generators. This SDK was  
designed for use with Microsoft's Visual C++ version 6.0. It is not normally supplied with the generator.  
The latest version of the kit is available for download from our Website.  
68-00183 Rev. C  
Quantum Data, Inc.  
Page 9  
 
Specifications  
VideoTiming  
Pixel Clock:  
Analog Video Outputs  
Encoding:  
Range: 7.5 MHz - 600 (optionally 800 MHz)  
Step: < 0.25 Hz  
Jitter: < 60 pS line to line (One Sigma)  
Accuracy: 25 ppm (electronically trimmable to 0 ppm  
RGB  
YPrPb (SMPTE 240 M HDTV)  
YPrPb (SMPTE RP177 Improved  
SMPTE 240 M)  
YPrPb (ITU-R BT.709 Modified  
SMPTE RP177)  
YCrCb (SMPTE 170 M or ITU  
BT.601NTSC/DAL hybrid)  
YYY(Multi-channel grayscale)  
Outputs : 50-ohm SMA  
Outputs can be connected to 75 ohm (single-ended  
or differential) BNC display inputs using 150 ohm  
matching shunts and 50 ohm dummy loads  
(provided)  
Rise/fall: 350 pS  
Overshoot: Less than 5%  
Levels:  
Video Swing: 0 to +1.0V (2.0V differential)  
Sync Swing: 0 to ± 0.4V (0.8V differential)  
Bipolar sync available for HDTV compatibility.  
Setup: 0 to 100 IRE  
Calibration: Video output cables can be connected to  
self-calibrating inputs and automatically  
calibrated to within 5 mV  
HorizontalTiming  
Frequency: 1 KHz - 330 KHz Typical  
Total pixels per line:  
Range: 128 to 65,535 Pixels  
Step: 1 Pixel (4 Pixels, Interlaced or 2 pixels above  
520 MHz)  
Active pixels per line:  
Range: 1 to 4096 Pixels  
Step: 1 Pixel (2 < 520 MHz)  
Blank:  
Range: 96 Pixels Minimum  
Sync delay (front porch):  
Range: 1 to (H tot - H act - HS pw ) Pixels (analog)  
1 to (H tot - HS pw ) Pixels (digital)  
Step: 1 Pixel (Must be even above 520 MHz)  
Sync width  
Range: 1 to (H tot - H act - HS pd ) Pixels (analog)  
1 to (H tot - HS pd ) Pixels (digital)  
Step: 1 Pixel (Must be even above 520 MHz)  
Vertical Timing  
Sync Module Connectors  
Probe Pulse: BNC (1) one pulse at start of each frame  
Line Pulse: BNC (1) one pulse at start of each line  
Pixel Clock: SMA (2) differential ECL, 50 ohm, 50%  
duty  
Frame Sync: BNC(1) user repositionable pulse (e.g..  
scope trigger)  
Composite Sync: BNC(1)  
Frequency: 1 Hz - 650 Hz  
Total scan lines per frame:  
Range: 16 to 4096 lines (progressive)  
16 to 8191 lines (interlace)  
Step: 1 line (progressive)  
2 lines (interlace)  
Active scan lines per frame:  
Range: 1 - 4096 pixels  
Step: 1 pixel (2 pixels above 520 MHz)  
Blank:  
Vertical Sync: BNC(1)  
Horizontal Sync: BNC(1)  
Video Module Connectors  
The 8221S is a monchrome configuration using 1  
module. (1,2 or 3 modules maybe used per 822  
Mainframe)  
Range: 15 lines minimum  
Sync delay (front porch):  
Range: 0 to (V tot - V act -VS pw ) lines (analog)  
0 to (V tot - VS pw ) lines (digital)  
Step: 1 line  
Sync width:  
Video Out:  
Range: 1 to (V tot - V act -VS pd ) lines (analog)  
1 to (V tot - VS pd ) lines (digital)  
Step: 1 line  
SMA(2) 50 Ohm differential, unbuffered video output  
Calibration:  
BNC(2) receives video out to self-calibrate video  
channel  
Page 10  
Model 822S Quick Start Guide  
 
Specifications (continued)  
User Interface  
Front Panel:  
Miscellaneous  
AC MAINS  
16 x 2 character LCD  
LED backlight  
Frequency: 48 to 440 Hz Sinusoidal  
Voltage: 85 - 264 VAC (standard as shipped)  
Power: 300 watts  
WEIGHT / SIZE  
Unpacked: Approx 50.0 lbs. / 7 x 17 x 19 in.  
Format & image selector knobs  
Invert, video gate, sync gate, output on/off buttons  
MS-Windows 95/98, NT:  
Virtual front panel  
Format, image& sequence editors  
File management  
Configure (start-up) file editor  
MS-DOS Command line:  
Terminal emulator for interacting directly with the  
822S  
Supplied Cables & Adaptors  
One- 1 meter long 50 Ohm SMA - BNC cable  
Part # 30-00134  
One - 50 Ohm SMA Terminator (used to terminate  
unused output for differential output operation)  
Part# 30-00135  
Computer Interface  
Provided code necessary to connect the 822S to your  
(ATE) application program:  
Available Options  
150 Ohm BNC Feedthrough (used to terminate the  
generator’s 50 Ohm output to a display having a 75  
Ohm input impedance)  
MS-Windows 95/98, NT DLL:  
A DLL is supplied that lets you use the 822S’  
extensive command library in your MS- Windows®  
application.  
MS-DOS Driver:  
Use the 822S’ command library in your MS-DOS  
application.  
Part# 30-00136  
50 Ohm BNC Feedthrough (used to terminate the  
generator’s 50 Ohm output to the self calibration  
inputs). Two required.  
Part# 30-00137  
MS-DOS Send utility:  
For sending command files that customize the 822S  
for your application.  
C source code:  
Complete C source code is supplied that lets you  
use the 822S’ command library in  
your C application.  
Computer Ports  
GPIB INTERFACE  
Protocol: IEEE-488.2  
Connector: 24 position microribbon  
SERIAL INTERFACE  
Type: RS-232C  
Baud Rates: 300 thru 38,400  
Data: 7, 8  
Stop: 1, 2  
Parity: none, odd, even  
Handshake: none, RTS/CTS  
Custom Formats  
Storage: 300 + built-in formats  
Edit method: with VGM software  
68-00183 Rev. C  
Quantum Data, Inc.  
Page 11  
 
Manual Part # 68-00183 Rev. C  
Product Support and Service  
Quantum Data, Inc.  
2111 Big Timber Rd.  
Elgin, IL 60123-1100 USA  
Toll free telephone number in USA  
1-888-252-6133  
From all other countries:  
Main Tel:  
(847) 888-0450  
[1] 847-888-0450 then select option 3  
Facsimile: (847) 888-2802  
Website:  
Page 12  
Model 822S Quick Start Guide  
Entire Contents Copyright ©1999,  
Quantum Data, Inc. All rights reserved.  
 

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