TRENDnet TV-PC301 User manual

Table of Contents
Introduction …………..……………………………..… 1
System requirement………………………………….. 1
Camera Diagram…………………………………….... 1
Hardware installation…………………………..…….. 2
Driver and software installation……………..……… 2
Driver Installation ………………………….……… 2
Display Utility ……………………………………… 8
Specification ………………..……….………………… 10
Appendix: Microphone Installation
Video Conference Glossary

Introduction
Thank you for using USB PC camera. This high performance PC
camera imbedded with video compression engine inside and push
the video transmission through USB interface to the limit. A choice
of high resolution sensor provides sharpest image quality, you will
never too late to enjoy the pleasure of video applications in your PC
with this PC camera. Following is a brief installation guide for user
who run USB PC camera in Windows environment for the first time.
System requirement
Pentium 133 or above CPU, Pentium II 350 recommended
32 MB of system RAM
One USB port
Microsoft Windows 98 or above
20MB hard disk space
Camera Diagram
Optical Lens
Power LED
Snapshot Switch
Manual Focus

Hardware installation
Plug in the USB cable of PC camera into the USB port in your PC.
The power LED indicator of camera will turn on after the USB host
controller having initiated the USB device properly.
Driver and software installation
Please follow the steps to install the driver for USB PC
Camera.
A. Driver Installation
WIN98
A 3.5” floppy diskette is included in the package.
After installation of USB PC camera, the Windows will
automatically detect USB PC camera and prompt you “Add
Hardware Wizard” dialog box. Click on Next button to
continue.
Click on the “Search for the best driver for your device.”
And click on the NEXT button to continue.
Select the “Floppy disk driver”, insert the driver diskette of
USB PC camera into 3.5” floppy driver first. After pressing the
NEXT button, the Windows will search the driver in floppy
disk automatically.

Click on the NEXT button, then the Windows will copy all
required files from the driver diskette to system.
Click on the Finish button to complete the installation of
driver.

Win2000
1. Boot up the computer to Win2000 and then attach the camera to
computer’s USB port.
2. At “Found New Hardware Wizard” click on “Next”.
3. Select “Search for a suitable driver for my device” and then click “Next”.

4. Select “Floppy disk drives” and then click on “Next”.
5.Click “Next”.
6. Click “Yes”.

7. Click “Finish”.
After the driver is installed, go to “Start”Æ”Programs” and you
should see a program group call ‘OmniVision”. If you do not see
OmniVision on the list, go to “Start”, select “Run” and then input
grpconv –o and then click on “Ok”.

Display Utility
When the driver installed completely, then the display utility
“ OmniVision PC Camera VFW Capture” and “OmniVision
PC Camera WDM Capture” will also be installed to \Program
Files directory automatically. The display utility allows you to
view the video image from USB PC camera, and adjust the
parameters for best color quality.
To run “ OmniVision PC Camera VFW Capture” display utility, click
on windows Start Menu/ Programs/ OmniVision/ OmniVision
PC Camera VFW Capture
Once the display utility started, then click Options menu and select
“Preview” to initiate driver function.
Click Video Format in Options menu, click on Select image format
to set the video display size. Three format: 160 x 120, 320 x 240, 640 x
480 is allowed to choose.
Note:
The 24 bit RGB is recommended for best color display.

Color Adjustment
When you pop up the application software, select Option -> Video
Source -> Device Control. Adjust the value of following parameters,
Brightness, Exposure time, Contrast, Saturation, Sharpness, Hue,
Automatic White Balance(AWB), and Gamma to get the best color for
your specific applications or environment.
IF you have video application program other than“ OmniVision PC
Camera VFW Capture” and “OmniVision PC Camera WDM Capture”,
Video Source and Video Format can also be adjusted from the Options
menu.
Now you are ready to run video conferencing, video mail and other
video applications software. Please check with your software suppliers
to see what they have and enjoy the pleasure of PC camera world.

Specifications
Sensor 352 x 288 Color CMOS sensor
Frame Rate 30 fps @ CIF format
Minimum illumination 6 lux
System Interface USB port
LED Indication Yes
Video Compression Proprietary video compression
Snap-shot Button Yes
Color Adjustment Brightness, Hue, Saturation
White Balance Automatic
Shutter Speed Automatic
OS Support Windows 98, Windows 2000
Lens f=6.0mm / F=1.8
Aspect Ratio 4:3
Power Consumption 5V, 200mA max.
Operating Temperature 10℃ ~ 50℃
Storage Temperature 0℃ ~ 65℃
Humidity 10% ~ 90% non-condensing

Appendix:
Microphone Installation
In the package, it includes a microphone. With Microphone,
the user can record image with voice.
To install the microphone, just plug the microphone to the
“Mic in” connector on the sound card of the PC.
The user can check the microphone by running Windows
Start Menu/ Programs/ Accessories/ Entertainment/
Sound Recorder. This program allows the user to do
voice record and play back.

Appendix:
VIDEO CONFERENCE GLOSSARY
CMOS image sensor - CMOS (abbreviated for Complementary Metal
Oxide Semiconductor) is similar to CCD with different silicon process in production.
The advantage of CMOS is low power consumption, low production cost and small in
chipset dice. The cons are lacking of noise immunity, which leads to less sensitivity in
image quality. The modern silicon technology, however, can improve the
signal-to-noise ratio significantly. Major suppliers of CMOS sensor are: OmniVision,
VLSI Vision, Rockwell, Sharp, HP, Sony, and EleVision with resolution start from
80,000, 250,000 to 1,000,000 pixels.
Digital PC Camera - Digital PC camera, on the other hand, sends the
digitized video signal, so-called YUV format, directly to your PC through parallel port,
COM port, USB port, Fast Ethernet or IEEE 1394 interface. CCIR 601, a digital TV
encoding standard, defines video digitized signal in YUV 4:4:4, or YUV 4:2:2 format.
A corresponding driver in PC will decode and translate the data into correct color for
splay. Digital camera is dedicated, but not limited, for PC applications today. The most
popular interface today are parallel port and USB port.
Image DSP - Image DSP is used to deal with the image and color captured and
ensure sharpness of color displayed on monitor. Image DSP can control white balance,
hue and saturation of RGB color, gamma value for color adjustment. Different
algorithms are implemented in DSP to provide such functions. Some silicon suppliers
has already integrate DSP together with image sensor as one-chip solution for
cost-down reason, while others implement compression engine in image DSP to speed
up the data transmission rate.

Image quality - PC camera has to faithfully reflect and reproduce true color of
observed object, any distortion of image or twisted of color will consider being poor
image quality. Since the responses of human eyes to color are slightly different, some
testing equipment and environment is necessary to accurately judge the image quality.
Nevertheless, image sensor, lens and design method is the key factors of image quality.
Another criteria of image quality is the sensitivity to environmental luminance, some
PC camera can sense the image in dim condition for light source as low as 5 luxs, while
others can respond in 10 luxs only.
Lens - Lens is another critical component in PC camera that can affect the quality
of image sensed. The focal length and viewing-angle of lens, associated with IR-cut
and low-pass filter, will determine the picture quality sensed. The most popular lens
used in PC camera market is 1/3”,1/4” and 1/5” lens, with 3.6 ~ 6.0 mm focal length
each has their own advantages in different applications. To avoid distortion on edge of
image, focal length above 4.0 mm is recommended.
Performance and resolution - The performance of PC camera is
determined by frame size (resolution) and frame-per-second PC camera can handle.
Frame size has certain standard for comparison, so-called SQCIF (160 x 120), QCIF
(176 x 144), CIF (352 x 288) and VGA (640 x 480). Analog PC camera can transmit up
to 30 frames/second at any resolution, which is almost the highest quality similar to the
motion picture as you see in the cinema.
Still 18 frames/second claims to be acceptable in digital PC camera, although some
jerking image may occur and cause inconvenience for visual effect. The new USB or
parallel port PC camera with compression technologies should be able to support up to
30 frame-per-second in CIF formats.

Personal videoconferencing system- A system designed to
connect a single person into a teleconference. Most desktop video conferencing
systems are personal systems.
Frame rate- The number of images per second displayed in a video stream.
Approximately 24 frames per second (fps) is considered full-motion video.
POTS (Plain Old Telephone Service)- Conventional analog
telephone service.
ISDN (Integrated Services Digital Network) - A type of digital
telephone service available in two speeds: 128-Kbps basic-rate interface (BRI) and
1.54-Mbps primary-rate interface (PRI).
H.261- Leads the pack. H.261 is the standard for video codecs, with the compressed
video signal operating over one or more 64-kbps ISDN B-channels. H.261 defines two
picture or resolution structures that are compatible with all three worldwide television
display formats. The picture structures are the Common Intermediate Format (CIF)
and the Quarter Common Intermediate Format (QCIF). CIF is also referred to as “full
CIF” (FCIF).
H.323- Standard that provides a gateway for LAN/WAN videoconferencing.
Desktop video conferencing on the LAN must adjust to the constantly-changing
available bandwidth. This means LAN-based videoconferencing requires special
compression technology. H.323 also covers Internet video-conferencing. Early in
1996, Intel and Microsoft, along with more than 70 other companies, announced
support for the standard. Inter and Microsoft also collaborated on the H.323 stack that
would become part of Microsoft’s operating system.

H.324 for POTS - Another family of standards covers desktop
videoconferencing over POTS. This family is called H.324, which the ITU-T ratified
in early 1996. H.324 covers low-bit-rate videoconferencing between multimedia
telephones. These telephones include stand-alone video phones, PC-based video
phones, and TV-based video phones that resemble cable boxes with built-in cameras
that sit atop televisions. This standard improves on H.320 in its flexibility. H.324 calls
for transmission of real-time video, audio, and data over V.34 modems to be video
phone ready, they must support a protocol called V.80. Part of H.324 is a newer video
codec standard called H.263. H.263 defines and requires a new low-end SQCIF picture
format of 128x96 pixels. QCIF is also required in H.263, and FCIF is optional. H.263
is a major breakthrough in video compression, and is substantially better than H.261 at
low data rates. However, at 384 kbps and above, the difference is less apparent. Work
is underway in the ITU-T to migrate H.263 into the H.320 family. However it is
mandatory that the H.324 terminal support H.261 as well as H.263. The H.324/M
series covers videoconferencing over mobile or wireless radio networks. H.324 is
critical in delivering desktop videoconferencing products to the home and small
office/home office (SOHO) market.
QCIF (Quarter Common Intermediate Format)- A
176-by-144 video format defined by the ITU’s H.261 specification.
CIF-Display paints 352 pixels per line and 288 lines per picture, normally displayed
full-screen.
VGA - Video Graphics Array, resolution is 640 x 480 pixels.
SVGA - Super Video Graphics Array, resolution is 800 x 600 pixels.

Twain - A standardized interfacing system that allows many different software
applications to access many different image input devices. TWAIN compliance is
needed for both software applications and imaging hardware devices (scanners,
cameras) to be compatible.
USB port - USB is the abbreviation for Universal Serial Interface, and is a new
interface with throughput goes up to 12Mbps. It allows daisy-chained of 127 PC
peripherals connection with 5 meters per device. USB provides the power for each
device, means no more external power adapter for PC peripheral.
USB also supports hot swap of device, or dynamic insertion-removal, and auto
configuration as device changes. The throughput of USB, however, is not sufficient for
real-time video transmission. The recently released USB PC camera, imbeds video
compress/decompress technology to increase the data transmission and supports 30 fps
in QCIF or CIF format.
Video Communication Software - Users can do little with PC
camera and other hardware without application software. Microsoft bundles
NetMeeting in Windows98 providing basic solution for video conferencing over
Internet or Intranet. While other software vendors provide video-mail, video editing,
pattern recognition, personal security and remote monitoring utilities to touch down
specific arena. Some software is quite sophisticated with comprehensive user
interface, check you’re nearby software dealers to get latest information. VGA: Video
Graphics Array, resolution is 640 x 480 pixels.