The major difference lies in the image formation.Conventional CRT TV is based on the Cathode Ray Tube (CRT). A CRT is basically a large vacuum tube in which an electron beam, emanating from a single point in the neck of the tube, scans the face of the tube very rapidly, which, in turn lights up phosphors on the tube's surface in order to create an image. On the other hand, there are three types of rear- projection TV based on their respective lighting processes – CRT rear projection, DLPTM rear projection, LCD rear projection, and LCOS rear projection. ONfinity Rear Projection Interactive Whiteboard adopts DLPTM rear projection technology which bears one very distinctive characteristic –the chip on which the actual image is displayed is called a DMD (Digital Micromirror Device).As such, every pixel on a DMD chip is a reflective mirror.As the video image is displayed on the DMD chip, the micromirrors on the chip tilt very rapidly as the image changes. Then, colour is added as light passes through a high-speed colour wheel and is reflected off of the micromirrors on the DLPTM chip which in turn reflects the image onto the screen.

DLPTM is the short form of “Digital Light Processing”, a technology for manipulating light digitally developed by Texas Instruments.The key to DLPTM is the DMD (Digital Micro-mirror Device).In essence, every pixel on a DLPTM chip is a reflective mirror, which amplifies the light generated from the chip.Since the light generated by each pixel has its own amplification ability, there is no limit to the size of the screen that can be manufactured.Brightness and contrast is even across the entire surface of the screen.

What are the major characteristics of ONfinity Rear Projection Interactive Whiteboard ?

High resolution – support digital High Definition TV standards of 720p and 1080i

High brightness up to 600nits

High contrast up to 1000: 1

Zero radiation

No screen flickers

No scanning line, protect eye sight

Wide viewing angle, up to 179 degrees

Picture-in-Picture system, simultaneous multi -screen viewing

Exclusive anti glare shatter proof steel glass screen surface

ONfinity RPIWB is specifically designed for education and training environment. Special features include connection to external PC, independent audio play function, power keyboard lock, central control platform, and shatter-proof steel glass screen surface. In addition, with the long-term partnership with and support from Texas Instruments together with our own IT applications development experience, ONfinity RPIWB offers highly competitive technological advantages in all aspects.

The DLPTM technology applied in ONfinity RPIWB is the fruit of the very close partnership with Texas Instruments.ONfinity RPIWB adopts TI's worldwide patented revolutionary display solution DMD that uses an optical semiconductor to manipulate light digitally.TI's DMD technology has been in use in American defence for more than a decade and has been applied in civilian use since a few years ago.Therefore, the DLPTM technology ONfinity RPIWB adopts is significantly advanced.

ONfinity RPIWB series have a built-in HDTV-ready function.Compatible with a number of HD digital TV standards (480p; 720p; 1080p).

ONfinity RPIWB can receive directly and process digital video signals and produce much better picture quality than conventional digital TV.

How many models are there and what are their differences?

There are 3 models of ONfinity RPIWB – ONW53LP, ONW61LP, and ONW72LP. The figures 53, 61 and 72 indicate the screen size in inches.

There won't be such effect. Because ONfinity RPIWB adopts cold light lamp which is a very durable and consistent lighting device.? The lighting efficiency won't be affected by the length of usage time. Thus there will be no effect on the picture quality.

Can ONfinity RPIWB be connected to a microphone?

Under the Picture-in-Picture mode, both PC and a video signals can be processed and? viewed at the same time.

No.Simply because there are no electric circuits nor magnetized components in ONfinity RPIWB, so unlike CRT TV, ONfinity RPIWB won't be subject to natural magnetization causing distortion of video images.

Yes.ONfinity RPIWB comes with standard VGA and DVI ports.Can be connected to PC easily and automatically recognized by the rear projector.

ONfinity RPIWB's power consumption is less than 200W per hour.It is relatively low power consuming compared to similar products in the market.

Can ONfinity RPIWB be connected to VCD, DVD, EVP, HDV home theatre equipments?

Yes.ONfinity RPIWB is designed based on the advanced technology of digital TV.It has a number of connection ports for various digital home theatre products.

Yes.ONfinity RPIWB is also a digital photo album.Files from digital camera and camcorder can be displayed lucidly on screen.Connection is done through AV port, no special configurations is needed.

This is necessary only when professional level audio effect is needed.ONfinity RPIWB offers top class home theatre sound effect comparable to digital movie experience in cinema.

Yes.ONfinity RPIWB has separate video and audio functions. Audio signals can be processed and played even without turning on the display screen.

Yes.Microphone can be connected via general input/output port.While earphone is connected via the PC input port.

Yes.Two sets of ONfinity RPIWB can interchange VGA signals by VGA digital signal connection via their input/output ports.The two separate sets of RPIWB can display the same video image at the same time.

DVI is a digital connection port.It can be connected to the DVI port of the VGA card on a PC.The result is a higher resolution and more lucid PC image quality.

ONfinity RPIWB has two VGA input ports. Does that mean one set of DLPTM can receive and process data from two sets of PC at the same time and can interchange the data?

Yes.ONfinity RPIWB can receive and process data from two PCs at the same time, and interchange the data.Moreover, there is one VGA output that can link up and display the PC images of several sets of DLPTM.

Yes.The image size can be adjusted between two levels, and there are nine location options for adjustment.

The core chip in ONfinity RPIWB is DMD micromirror, an advanced optical semiconductor developed and supplied by Texas Instruments Incorporated.

Most of our core components are imported originally from their respective top class producers.These include – DMD by Texas Instruments, lamps are Philips 100W UHPTM cold light lamps, and DNP from Denmark.

What is the casing of ONfinity RPIWB made of?

ONfinity RPIWB is designed for versatile use. The simple outlook design makes daily maintenance and cleaning much more easier.The compact casing design also helps protect internal components thus extending service Life.It also enhances safety when used among children.

Which national and international quality accreditation and certification has ONfinity RPIWB acquired?

When used in schools, how to prevent students from tampering with the RPIWB?

This risk is eliminated with the thoughtful design of power lock. When locked, the on/off switch stops functioning thus efficiently preventing unauthorized tampering.

To increase mobility for installation and usage, ONfinity RPIWB comes with strong wheels at the bottom of the base cabinet.The wheels are lockable and can support up to 90 kg of external push force when locked.

How to make sure the audience at the back rows won't be obscured by the front rows?

This can be solved by using the various specially designed base cabinets which can be used to fit the actual viewing environment to make sure the RPIWB is at the appropriate height for the entire audience to have a clear view.

What are the recommended viewing distance and venue size for using ONfinity RPIWB?

Generally speaking, 53” model can be best viewed at a distance of 9 – 12 m, while 61” at 12 – 15 m.53” model fits a venue size of around 80 sq m, while 61” fits one of around 100 sq m.

Since ONfinity RPIWB adopts Philips 100W UHPTM cold light lamp, the heat generated is very limited. Moreover, there are cooling pores and fans at? the back of the rear casing and the base cabinet.? This cooling design enhances the service Life of the product significantly.

No. The top of the base cabinet has cooling pores for solving this problem.

How long is the Life span of? the lamp on ONfinity RPIWB and how replacement can be handled?

ONfinity RPIWB adopts Philips 100W UHPTM cold light? lamp which deLifers higher lighting efficiency and longer Life span of up to 10,000 hours, 250% longer than conventional CRT TV.Changing the lamp can't be easier as there is a shift space designed next to the lamp itself.

Is there a value solution for lamp replacement?

With an average Life span of over 10,000 hours, the lamp on the rear projector needs replacement only minimally.Moreover, we have close supply relationship with Philips.Guarantee on time replacement at absolutely reasonable price.According to laboratory experiment statistics, on an average usage rate of 4 hours per day, the lamp can last up to 6.5 years for home use, and 6 years for school use.

How to enhance the brightness of the display screen?

ONfinity RPIWB has a high brightness of up to 600nits.To adjust brightness, just enter Menu.There is an option for brightness adjustment.Or if higher brightness is required, a lamp of higher watts can be used instead.

What is the major difference between ONfinity RPIWB and other similar products in the market?

What organizations can best utilize ONfinity RPIWB?

ONfinity RPIWB can best be utilized for education, such as IT teaching, laboratory, multi-media teaching etc.It can also fits perfectly the requirements of corporate organizations, hotels, conference rooms, small-scale environment monitoring, demonstration and show room, etc. ONfinity RPIWB can also provide cinema quality home entertainment.

How is ONfinity RPIWB different from conventional projector?

Unlike conventional projector, ONfinity RPIWB is not subject to the impact of ambient lighting.Moreover, ONfinity can be connected directly to receive cable digital TV signals, with high resolution image, high brightness, wide viewing angle and durable projector lamp. It is indeed a much more advanced and economic comprehensive presentation and display solution than conventional projector.

While the steel glass screen surface of the interactive whiteboard can resist scratching damage to a great extent.? Nevertheless, we recommend avoid contacting the screen surface with hard interface to minimize damage occurrence.

Will the viewing effect be affected if the display screen surface has minor scratches?

No.Because ONfinity RPIWB adopts rear projection by which the image is projected and reflected onto the screen from behind the screen.Also the unique DLPTM technology means every pixel on a DMD chip is a reflective mirror which tilts very rapidly towards or away from the light source as the image changes.Therefore, minor scratches on the display screen will only shift very slightly the direction light passes through the pixels and will have no impact on the overall picture quality.

Will the viewing effect be affected if the ambient lighting is too bright or too dim?

The effect will be very minimal. This is because ONfinity RPIWB has a brightness of up to 600nits which is much higher than the lighting of most presentation environment. Moreover, with its high resolution and definition, the ambient lighting effect on viewing will be minimized.

Which lighting condition is recommended for the best viewing effect?

Try to avoid exposing the screen directly to sunlight, or too strong or too dim lighting for viewing.A mild indirect lighting as suitable for reading is best for viewing ONfinity RPIWB.

What is the Life span of ONfinity RPIWB?

According to laboratory experiments, the overall Life span of ONfinity RPIWB is over 10 years.Projector lamp can last for over 6 years.

No. Simply because there is no Cathode Ray Tube in ONfinity RPIWB which adopts the advanced DLPTM technology instead.

How to clean ONfinity RPIWB?

Cleaning is very easy. The screen can be cleansed with anti-static wipe, the casing can be wiped with lightly moist cloth and leave to dry. Never sprinkle or pour water onto the RPIWB as this will drain into the casing and damage the internal electronic parts.

ONfinity RPIWB provides an integrated solution for multimedia presentation and display. ONfinity RPTV offers impeccable advantages such as high resolution, high brightness, high contrast ratio, zero radiation, zero screen flickers, zero scanning lines, wide viewing angle, picture-in-picture, digital data processing, etc.Conventional projector cannot match in any of such features especially limitations on viewing environment such as ambient lighting and image distortion due to different viewing angles. With it's simple and user-friendly operations, ONfinity RPIWB is set to be the number one choice for replacing the conventional projector.

Why is ONfinity RPIWB suitable for use at school?

ONfinity RPIWB is designed particularly for education purpose. Special features include power lock and anti glare steel glass screen surface. The building materials are all strong and durable making the machine safe and efficient to use.

Can ONfinity RPIWB be used outdoors?

ONfinity RPIWB is also suitable for outdoors use as the high brightness of its display screen can tolerate varying ambient lighting and thus the viewing effect won't be affected. ONfinity RPIWB is particularly suitable for use at outdoors events such as trade shows and exhibitions.

What is the reason for the zero radiation feature of DLPTM?

DLPTM does not generate any radiation as it adopts the DMD technology which deploys reflective micromirrors for image generation. Unlike CRT which involves electron magnetic radiation, ONfinity RPIWB is highly environmental and safe to use.

The image is still very clear as ONfinity RPIWB has a large screen with a wide viewing angle of up to 179 degrees. Viewing from the sides presents no problem at all.

Is there any door-to-door installation and service on ONfinity RPIWB?