Application Note -24B1.3XUSB - Videology Imaging Solutions

IMAGING SOLUTIONS INC.
Original Equipment Manufacturer
Application Note
24B1.3xUSB-C
1.3 MP B&W USB Board Camera
Prior to Using This Document: Videology reserves the right to modify the information in this
document as necessary and without notice. It is the user’s responsibility to be certain they possess the
most recent version of this document by going to www.videologyinc.com, searching for the model
number, and comparing revision letters on the respective document, located in the document’s footer.
For technical assistance with this product, please contact the supplier from whom the product was
purchased.
Videology Imaging Solutions, Inc. USA
37M Lark Industrial Parkway
Greenville, RI 02828
Tel: 401-949-5332
Fax: 401-949-5276
www.videologyinc.com
Doc # APN-24B1.3XUSB-C
Revision: A
Videology Imaging Solutions, B.V. Europe
Neutronenlaan 4
5405 NH Uden, The Netherlands
Tel: +31 (0) 413-256261
Fax: +31 (0) 413-251712
www.videology.nl
Issue Date: 04/25/2013
Page 1 of 23
License Agreement (Software):
This Agreement states the terms and conditions upon which Videology Imaging Solutions, Inc. USA and
Videology Imaging Solutions, B.V. Europe (hereafter referred to as "Videology®") offer to license to you
the software together with all related documentation and accompanying items including, but not limited
to, the executable programs, drivers, libraries, and data files associated with such software.
The Software is licensed, not sold, to you for use only under the terms of this Agreement.
Videology grants to you, the purchaser, the right to use all or a portion of this Software provided that the
Software is used only in conjunction with Videology's family of products.
In using the Software you agree not to:
• Decompile, disassemble, reverse engineer, or otherwise attempt to derive the source code for any
Product (except to the extent applicable laws specifically prohibit such restriction);
• Remove or obscure any trademark or copyright notices.
Limited Warranty (Hardware and Software):
ANY USE OF THE SOFTWARE OR HARDWARE IS AT YOUR OWN RISK. THE SOFTWARE IS PROVIDED FOR
USE ONLY WITH VIDEOLOGY'S HARDWARE. THE SOFTWARE IS PROVIDED FOR USE "AS IS" WITHOUT
WARRANTY OF ANY KIND, TO THE MAXIMUM EXTENT PERMITTED BY LAW, VIDEOLOGY DISCLAIMS ALL
WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, IMPLIED
WARRANTIES OR CONDITIONS OF MERCHANTABILITY, QUALITY AND FITNESS FOR A PARTICULAR
APPLICATION OR PURPOSE. VIDEOLOGY IS NOT OBLIGATED TO PROVIDE ANY UPDATES OR UPGRADES
TO THE SOFTWARE OR ANY RELATED HARDWARE.
Limited Liability (Hardware and Software):
In no event shall Videology or its Licensors be liable for any damages whatsoever (including, without
limitation, incidental, direct, indirect, special or consequential damages, damages for loss of business
profits, business interruption, loss of business information, or other pecuniary loss) arising out of the use
or inability to use this Software or related Hardware, including, but not limited to, any of Videology's
family of products.
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Table of Contents
1.
2.
3.
4.
5.
6.
7.
8.
9.
Document History .................................................................................................................... 4
Overview ................................................................................................................................ 4
2.1.
2.2.
24B1.3xUSB-C Introduction.................................................................................................................................. 4
Contents ............................................................................................................................................................ 4
3.1.
24B1.3XUSB-C ................................................................................................................................................... 5
5.1.
Viewer Installation (All Models) ............................................................................................................................. 7
Camera Features ..................................................................................................................... 5
Minimum System Requirements ................................................................................................ 6
Viewer and USB Driver Installation ............................................................................................ 7
TWAIN Installation ................................................................................................................. 11
Using the Videology Viewer ..................................................................................................... 12
7.1.
Using the Videology viewer with model 24B1.3XUSB-C .......................................................................................... 12
7.1.1. Camera Settings ........................................................................................................................................... 12
7.1.1.1.
Video Capture Filter Properties ............................................................................................................... 13
7.1.1.2.
Gain Control ........................................................................................................................................ 13
7.1.1.3.
Shutter Speed and Frame Rate............................................................................................................... 13
7.1.1.4.
Mirror and Flip Mode ............................................................................................................................. 15
7.1.2. Capture Format ............................................................................................................................................ 16
7.1.2.1.
Video Capture Pin Properties .................................................................................................................. 16
7.1.3. Advanced Options ......................................................................................................................................... 18
7.1.3.1.
Isochronous and Bulk transfer modes. .................................................................................................... 18
7.1.3.2.
Still Image Capture (Snap Feature)/V Sync. (24B1.3XUSB-V) .................................................................... 19
7.1.3.3.
Acquiring a still image in Frame Grabber mode......................................................................................... 19
7.1.3.4.
Sample Circuit for Snapshot Synchronization. .......................................................................................... 20
7.1.4. Control ........................................................................................................................................................ 21
7.1.5. Help (About Menu) ........................................................................................................................................ 21
Using the TWAIN Interface ..................................................................................................... 21
Troubleshooting .................................................................................................................... 22
9.1.
9.2.
9.3.
9.4.
9.5.
9.6.
9.7.
9.8.
9.9.
10.
Focus Issues..................................................................................................................................................... 22
Noisy or Grainy Video ........................................................................................................................................ 22
Poor Color Reproduction .................................................................................................................................... 22
Dark faces........................................................................................................................................................ 22
Reflections ....................................................................................................................................................... 22
Video display shows a green or black color ........................................................................................................... 22
Video display appears inoperable or exhibits a slow frame rate ............................................................................... 22
An incomplete or scrambled video display on USB 1.1 port ..................................................................................... 22
Cannot see video .............................................................................................................................................. 22
Contact Information ........................................................................................................... 23
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1. Document History
Revision Issue Date Reason
Rev A
10-18-2012 Initial Release of APN 24B1.3xUSB-C
CN#
12-0118
2. Overview
2.1.
24B1.3xUSB-C Introduction
The Videology 24B1.3xUSB is a ½” CMOS based b/w single board USB camera offering an easy means of
displaying and capturing high quality video and images on any USB 2.0 equipped desktop or laptop
computer running a supported Microsoft® OS.
Because it is USB based, there is no need for a frame grabber. Instead, a single USB cable provides
power, video frames, control and data transfer.
•
•
•
All of our USB cameras share the same simple, powerful API allowing easy migration from one
camera to another.
SDKs are available for OEMs (for an additional fee).
Housings: Mechanical design options can be quoted to OEMs.
This camera can utilize a CS, M12 or M12 pinhole mount lens that is not Auto Iris.
Note: We recommend a Megapixel lens with the Megapixel camera in order to maintain the full resolution.
2.2.
Contents
Within the software CD (SFT-11011) are two viewer packages
1. SFT-07019 (Videology Viewer software and USB drivers)
o or SFT-07019-WHQL (WDM device drivers are Microsoft® digitally certified)
2. SFT-10011 (TWAIN data source)
To check for updated software, please go to www.videologyinc.com/download.htm
The Videology viewer (SFT-07019-WHQL) can operate this camera family without a need for any third
party software. It will auto recognize which camera is plugged in and show the corresponding controls and
features for that camera.
Note: All cameras stream video and provide a still image capture mode with appropriate software.
A separate TWAIN driver is available (SFT-10011) for third party software packages to allow a camera to
be recognized thru their TWAIN (or Scanner) drop down camera source choices. This TWAIN interface is
recommended as the primary method to integrate with the Videology camera.
If the 3rd party software program has a standards based DirectShow compliant interface, the camera will
work with that interface. However, we have found many third party software platforms do not conform to
DirectShow on all operating systems.
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3. Camera Features
3.1.
24B1.3XUSB-C
CMOS, USB 2.0, 1.3 Megapixel Sensor, B&W Single Board Camera













Progressive Scan, 1.3 Megapixel CMOS Sensor (Square Pixels)
Sensor Is Optically Centered Within Lens Mount Holes
Streaming Video or Single Frame Capture via Hardware/Software
Triggerable Instantaneous Snap Shots
24fps At Full 1280 x 1024 Resolution Un-compressed Video
Simplified Cabling - Video, Power & Full Camera Control Over A Single USB Cable
Extended Integration Time (>0.5 sec.)
DirectX/DirectShow Compliant
WDM Device Drivers
Microsoft Digitally Certified Software
Support For Windows 7, XP, & Vista Operating Systems
Complete SDK Available
Select Linux Drivers Available
3.2. Mechanical Drawing
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4.
Minimum System Requirements
A PC with USB 2.0 compatible port.
MAC is not supported.
USB 1.1 is not supported.
Preview only
• PIII- 1.1GHz or above
• 128MB of RAM (256MB preferred)
• Windows 7/Vista/XP/2000 for USB2.0
• DirectX/DirectShow 9.0c or later
• Windows XP Service Pack 1 (Service Pack 2 Preferred) Windows 2000 Service Pack 4
Preview and capture at the same time
• Full D1 MPEG 2 - P4 – 2.4GHz or above
• 640 x 480 MPEG 2 - P4 – 2.0GHz or above
• 352 x 288 MPEG1 - P4 – 1.5GHz or above
• Hard Disk - 5400RPM or above (7200RPM preferred)
• 128MB of RAM (256MB preferred)
• Windows 7/Vista/XP/2000 for USB2.0
• DirectX/DirectShow 9.0c or later
• Windows XP Service Pack 1 (Service Pack 2 Preferred) Windows 2000 Service Pack 4
Verify system has the latest USB 2.0 host driver from Microsoft® only.
Verify that USB host controller chipset is Microsoft certified.
This product is not guaranteed to operate with a USB 2.0 host driver or application from OWC
(Other World Computing).
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5. Viewer and USB Driver Installation
Note: SFT-07019-WHQL WDM device drivers are Microsoft® digitally certified
Please install the software first.
Do not connect the camera to the computer before installing the software.
Note: If you have a previous version of the Videology USB camera software installed don your computer,
you should first remove this. To remove an older version, go to Start and select all programs Find the
Videology Cameras folder and select the Uninstall Viewer option.
5.1.
Viewer Installation (All Models)
Insert the CD labeled USB Viewer Software (SFT-07019 or SFT-07019-WHQL). Click the executable file
named SetupVid.exe.
Videology's viewer software automatically checks which operating system is running and loads the
appropriate drivers (32bit or 64bit).
The following screen will appear:
If you wish to install the viewer in a location other than the default directories, click on the Browse button
and specify the desired location, otherwise click on the Install Button and the following screens will
appear:
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Click Next to continue.
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Next, the Windows Security window opens informing that the WDM device drivers are Microsoft® digitally
certified. Depending on the software version one of these windows will open:
SFT-07019-WHQL
SFT-07019
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Click Install or Continue Anyway.
The driver and viewer installation is now complete. Click Finish.
Click Close to exit the hardware wizard.
You can now connect the Videology camera to your PC using any available USB port. When the camera is
connected, your computer will report that a new USB device has been detected, and will proceed to install
the driver. Each time the camera is connected to a different USB port, the driver will be installed, this will
be done only once for each port.
Please refer to Section 7 Using the Videology Viewer for launching the Videology viewer.
The camera is now ready for use.
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6. TWAIN Installation
To install the TWAIN data source, insert the CD labeled Twain Data Source and double click the
executable file named SFT-10011 - TDS -Rev 2-1-18.exe.
Note: the file name might be slightly different depending on the revision level of the software.
The following window will appear:
If the viewer is to be installed in a location other than the default directories, click on the Browse button
and specify the desired location, otherwise click on the Install Button and the following screens will
appear:
The TWAIN driver installation is now complete. Click Close to exit the hardware wizard.
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7. Using the Videology Viewer
After software installation, plug in the USB cable from the camera. A window will pop up stating that
Windows is installing the device drivers:
Upon completion a second window will state the driver software installed successfully:
NOTE: There is no auto focus feature in these cameras. Once camera is focused, the user can
modify the settings.
The camera is now ready for use.
7.1.
Using the Videology viewer with model 24B1.3XUSB-C
Please refer to section 6 for viewer installation instructions.
To launch the viewer software, simply click on the Videology Icon on the Desktop. A window will appear
displaying the camera image.
7.1.1.
Camera Settings
The Camera Settings (gain, shutter speed etc.) can be selected via Options > Camera Settings…
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7.1.1.1.
Video Capture Filter Properties
When Camera Settings is selected, the Video Capture Filter Properties window is opened.
Gain Control
Shutter Speed
Mirror Mode
and Flip Mode
Version of
Software
Gain Control
Figure 1.
7.1.1.2.
Video Capture Filter Properties
Gain Control
The gain control is used to vary the image contrast. To alter the gain, simply move the slider control and
click on the Apply button on the bottom right corner of the box.
7.1.1.3.
Shutter Speed and Frame Rate
The camera’s shutter speed is analogous to the shutter speed of a conventional camera, although for a
solid state imager there is no physical shutter. For this type of camera, shutter speed refers to an
electronic shutter, which determines the length of time over which charge is accumulated on the image
sensor.
In low light conditions, a slow shutter speed (long integration time) is required in order to get a good
quality image.
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Shutter speed for the 24B1.3XUSB-C camera can be varied from 0.6 second to 1/5000 second. The
camera utilizes a rolling shutter, which operates in a fashion similar to a focal plane shutter on a
conventional camera.
With this type of shutter, different parts of the sensor are exposed at different times, which can result in
distortion of moving objects.
Note: Faster shutter speeds should not be used when operating the camera under fluorescent lighting. The
intensity of the light varies at the AC line frequency (60Hz) and causes dark bands to appear across the
image.
On all solid state cameras, the period of time over which the pixels are actively collecting light and
converting it to charge is referred to as the integration time. (this is analogous to the shutter speed of a
conventional camera).
For most CCD cameras, all pixels are exposed for the duration of the integration time (this is like a simple
full frame shutter that opens and closes to expose the entire sensor).
Most CMOS sensors however employ what is known as a rolling shutter, in which only a band of pixels are
exposed at any instant of time. This is just like the focal plane shutter of more expensive conventional
cameras.
In this case the integration time is determined by the width of the moving band, which starts from the top
of the sensor and works its way down.
Integration time
is set by width of
this rolling band
Rolling Shutter
Moves down the
sensor
Now it is possible for the integration time to exceed the frame period. When this happens the vertical
blanking period is extended to accommodate the extra time. The frame rate will be slower, but the frame
period will remain the same.
This is illustrated on the following page.
Basically the Rolling shutter begins “moving” on the trailing edge of the V sync Pulse.
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Shutter
Width =
100 ms
Frame
width=
50 ms
Start, t - 0 Shutter
Starts to move
down the sensor
T = 30 ms
bottom of shutter
is at bottom of
sensor
Vertical
Blanking
Period
T = 60 ms Top of
shutter is at
bottom of sensor
In the example shown the frame period if 50 ms, and the integration time is 100 ms. You can see that this
has the effect of increasing the vertical blanking by 50 ms and so it slows the frame rate down.
So for your application where you want to limit the LED “On time to 25 ms. I would recommend that you
do the following.
The frame rate of the camera is about 20 fps at full resolution.
This corresponds to 50 ms frame time.
Set the shutter speed to 2/15 sec (~130 ms).
Trigger the camera and wait for about 50 ms. Then turn on the LEDs for 25 msec
This will ensure that all pixels are active while the LED is on.
After the 130 ms you will get a single frame of video.
7.1.1.4.
Mirror and Flip Mode
The Mirror and Flip options are used to create images which are mirrored about the Vertical and Horizontal
axis respectively.
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7.1.2.
Capture Format
Capture Format can be selected by Options > Capture Format…
7.1.2.1.
Video Capture Pin Properties
When Capture Format is selected, the Video Capture Pin Properties window is opened.
Figure 2.
Video Capture Pin Properties
Frame Rate
The Frame rate will vary depending upon the screen resolution.
Color Space/Compression
The Color Space/Compression is fixed to UYVY and cannot be varied.
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Output Size
Resolution (pixels)
320 x 240 (default)
320 x 240
640x 480
1280 x 1024
1024 x 768
800 x 600
Table 1
Maximum Frame rate
15 fps
15 fps
15 fps
15 fps
15 fps
15 fps
Maximum Frame Rate for various screen resolutions.
320 x 240
640 x 400
800 x 600
1024 x 768
1280 x 1024
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7.1.3.
Advanced Options
Advanced Settings can be selected by Options > Advanced Options…
When Advanced Options is selected, the Advanced
Options window is opened.
Figure 3.
7.1.3.1.
Advanced Properties Menu
Isochronous and Bulk transfer modes.
There are two basic transmission modes for data on the USB bus. These are referred to as Isochronous
and Bulk Transfer.
Under the Isochronous Transfer mode a fixed bandwidth (up to a maximum of 40% of the total
available) is assigned to the camera, ensuring a minimum speed of transmission. In this transfer mode,
there is no error correction and any dropped data will not be re-transmitted. This mode is typically used
for time sensitive data such as video and speech where there is little utility in repeating lost information.
Under the Bulk Transfer mode there is no fixed (upper or lower) limit to the available bandwidth, and
data is simply transmitted whenever the bus is available. Bulk transfer includes error correction and
dropped data packets, which are retransmitted.
If multiple USB cameras are operated simultaneously, it is possible that the data rate from the camera will
be reduced; resulting in a slower frame rate for the displayed image, and under this situation the
isochronous display should be used.
If only one camera is being used, then the bulk transfer mode will probably provide the fastest display.
NOTE: When changing the transfer mode from Isochronous to Bulk, it is necessary to close the
application, unplug and reconnect the camera, and restart the application.
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7.1.3.2.
Still Image Capture (Snap Feature)/V Sync. (24B1.3XUSB-V)
The camera features two still image “Snapshot modes”. In the first mode, the camera will deliver a single
frame image in response to a trigger command. This option is ideal for capturing single, randomly timed
events, such as moving bar codes.
In the second mode, using our 24B1.3XUSB-V, a single frame of video can be captured from the
streaming video in response to a trigger signal. Using the Vertical Sync output signal, the trigger pulse can
be synchronized with the start of each video frame. This feature is ideal for synchronizing the snapshot
with a strobe light.
7.1.3.3.
Acquiring a still image in Frame Grabber mode
In frame grabber mode, the still image can be captured by using the Take Snapshot option under the
File Menu.
The “Set Snap Image Folder…” button is used to change the location where snapshot images will be
saved. The files are saved to the user’s desktop by default. The files are stored as Bitmap (BMP) files.
Filename = Still_DATE_TIME_NUMBER.bmp.
Alternatively, the image can be captured by putting a high level (3.3V) on pin 2 of connector J300 on the
camera circuit board. This input is triggered by a Low to High transition of the pin, and holding the pin
high will not result in multiple images.
Normally there will be some uncertainty as to which frame is acquired when the hardware trigger is used.
If for example the trigger pulse is issued late within the vertical frame period of the camera, then there
may be a latency of one frame before the still image is captured.
To overcome this uncertainty, it is possible to synchronize the hardware trigger with the Vertical sync
signal of the camera. This feature is available on the 24B1.3XUSB-V camera only.
On this camera, a Vertical sync pulse is provided on pin 3 of J101 as shown.
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J100
1
J101
+5 V
DD+
GND
GND
GND
1
+3.3V
VSync
GND
J300
1
Trigger
GND
Connector Pin Outs for 24B1.3XUSB-V
7.1.3.4.
Sample Circuit for Snapshot Synchronization.
Below is a simple circuit that can be used to synchronize the Hardware snapshot trigger with the vertical
sync, so as to capture a sequence of 8 LEDs each of which is turned on for one full frame period. U1 is a D
Type Flip Flop, U2 is a Decade counter with Decimal outputs.
Note that the hardware trigger needs to go low at the beginning of the frame in order to ensure that the
frame is captured.
V Sync
To Camera
Hardware trigger
U1
Start
D
U2 4017
Q
Q0
Q1
Q2
CLK
CLR
Q
CLK EN
Q3
Q4
Q5
Q6
CLK
RST
Q7
Q8
Circuit for Synchronizing Hardware Trigger with Vsync and LED Sequence.
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7.1.4.
Control
Control Option is inactive for the 1.3 Megapixel Cameras
7.1.5.
Help (About Menu)
The Help feature states the properties of the software.
8. Using the TWAIN Interface
Please refer to section 7 for TWAIN installation instructions.
If the Twain interface (SFT-10011) is installed the camera can be used with any TWAIN Compliant
Application.
The TWAIN interface will attach itself to the first Videology camera it finds connected to the computer. For
best operation, run the TWAIN Interface on a system that has only one Videology camera installed.
Any application that supports a TWAIN Data Source as a capture device can access the camera. The
camera's image will appear as shown below:
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9. Troubleshooting
9.1.
Focus Issues
If the video appears out of focus, check that the lens is focused properly. Typically, a lens is pre-installed
and is pre-focused for an optimal head shot distance of 3.5 to 7 feet from the camera. If your subject is
out of that range then you will need to make a slight adjustment to the lens.
Unlock the locking screw on the lens and rotate the lens very slightly watching to see if the subject comes
in to focus. When you have the proper focus for the distance, lock the locking screw securely. It is possible
for a very tight locking twist to cause a slight focus shift, so take care to lock the screw gently and to
recheck that the image is still property focused.
9.2.
Noisy or Grainy Video
Be certain that there is enough light in the room where the images are snapped and that your subject is
not located directly under a bright spotlight.
9.3.
Poor Color Reproduction
Try the various white balance choices in the event that you have strange lighting conditions. The camera’s
default setting is set for standard fluorescent lighting. If the camera is setup outdoors, you may require a
more optimal white balance.
9.4.
Dark faces
Subjects should not be placed in front of overly bright backgrounds, such as a window with sunlight
streaming through it. At the same time, be certain that the environment provides enough overall light.
Additionally, a solid light grey backdrop is preferred for headshots.
9.5.
Reflections
Take care that the camera lens is at approximately the same height as the subject’s nose. There should
not be a high light point source in the ceiling angled in to the subjects face. This may cause glasses to
reflect or shadows to appear on the face. A hot white dispersed light aimed directly on to the face is
sometimes needed for an ideal image capture.
9.6.
Video display shows a green or black color
For Win XP and Win 2000, update USB 2.0 Host driver to the latest driver from the Microsoft® web site.
For Win 98 SE and Win Me, an OS upgrade to either Win XP or Win 2000 with latest Microsoft® USB 2.0
Host driver is necessary.
9.7.
Video display appears inoperable or exhibits a slow frame rate
Verify the system complies with the minimum system requirement specification.
Try a different USB 2.0 port in your system.
Try to lower the video quality, by going to Options > Capture Pin > quality > change the value to 0.
Try a different video format, YUY2 or I420.
Verify VGA card supports Direct Show, and upgrade VGA card to the latest driver.
9.8.
An incomplete or scrambled video display on USB 1.1 port
Verify the system complies with the minimum system requirements.
Unplug all of USB1.1 devices from the system.
Verify that the USB1.1 video camera device is the only USB device in the system.
9.9.
Cannot see video
Unplug and plug the camera in again.
Reinstall the USB Video driver. Follow the procedures below on how to reinstall the camera under different
scenarios.
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Scenario 1: Hardware-First, Driver Installed before, but not correctly
Windows XP
Make sure that the camera is plugged into one of the USB ports.
Insert the Videology CD that was provided with the camera into a CD-ROM drive. The “Videology USB2.0
Camera Installation Wizard” software will run automatically.
If the autorun.exe software does not run automatically, browse the CD files and double click on the
“autorun.exe” file to run it.
(Note: The auto-run application runs or not when media CD inserted depend on the "auto insert
notification" option checked in the properties of your CD drive. The method of changing this setting
depends on what exact version of Windows you have. For information on how to do this, do a search in
Windows Help for "auto insert notification.")
Click on the “Next” button.
If problems still persist, please email support@videologyinc.com
Please include:
• Date of purchase
• Software revision number
• Camera model number
• Company name
•
•
•
•
Contact name
Phone number
Email address
Issue with camera
10. Contact Information
For technical assistance with this product, please contact the supplier from whom the product
was purchased.
For OEM inquiries, contact Videology Imaging Solutions:
Americas, Middle East, Far East & Australia:
Videology® Imaging Solutions Inc.
37M Lark Industrial Parkway
Greenville, RI 02828
USA
Tel: (401) 949-5332
Fax: (401) 949-5276
Europe & N. Eurasia:
Videology® Imaging Solutions Europe B.V.
Neutronenlaan 4
5405 NH Uden
The Netherlands
Tel: +31 (0) 413-256261
Fax: +31 (0) 413-251712
Please visit our website at: http://www.videologyinc.com
VIDEOLOGY IMAGING SOLUTIONS is an ISO 9001 registered video camera developer and
manufacturer serving industrial, machine vision, biometric, security, and specialty OEM markets.
Videology designs, develops, manufactures, and distributes video, image acquisition, and display
technologies and products to OEMs worldwide.
Doc # APN-24B1.3XUSB-C
Revision: A
Issue Date: 04/25/2013
Page 23 of 23