Projector Beginner's Guide

Get a quick primer on projectors here.

lumens or ANSI lumens

Official recognized unit is "ANSI lumens"

Contrast Ratio

few projector beginners pay attention to the parameter.

Light Source

There are 3 main categories: light, LED and laser.


Resolution is a vital parameter when users pick a projector.

Throw Ratio

Throw ratio describes the ratio of throw distance and image width.

Projector Technology

Very critical knowledge

What Is DLP

The technology currently used by the most projectors

LCD Technology

LCD is one of the mainstream display technologies.

What is ALPD

Laser display technology for laser projectors.

What is LCOS

LCOS technology is applied in the high-end market

3LCD Technology

the advantage is brightness and ease to install

What is CRT

CRT projector has retreated from the mainstream market

What is SCR

Sequential color recovery (SCR) is one of the DLP technologies

What is D-ILA

It is a technology developed by JVC

Projector Interfaces

The most common types of projector interfaces

HDMI Interface

HDMI is the most commonly used interface

What is RCA?

Standard video input interface, also known as AV interface

What is DVI Input?

the popularity of DVI is very low

S/PDIF Optical Fiber Interface

Professional Interface

What is the RS-232C

RS-232C port is widely used as transmitting computer signal.

What is VGA

VGA refers to Video Graphics Array.

Audio Interfaces

Common Projection Audio Input Interfaces


These are the questions that people often ask

1. Use the remote control to turn on the system settings of the projector.
2. Select the projection mode and adjust it according to the installation mode.

Learn More>>

Pollution of the optical path system, mainly dust and oil stains, which will affect the quality of imaging over a long time. 

Solution: clean and adjust optical path. 

Learn More>>

UST is the abbreviation of Ultra-Short Throw. UST projectors are projectors with Ultra-Short Throw, meaning that the projector can project a bigger image within shorter throw distance.

Put it simply, UST projector provides you bigger screen within narrow space.

Learn More>>

To put it bluntly, screenless TV is intelligent projection, but it is not intelligent TV.

Learn More>>

There are two kinds of 0.47 inch DMD chips, one is 0.47 inch DMD 1080p, and the other is 0.47 inch DMD 4K. There is still a big difference between the two.

Learn More>>

Although the 0.66 inch and 0.47-inch 4K DLP are literally called 4K, they are actually two products of completely different grades. The 8.3 million pixels advertised by the 0.66-inch chips are still authentic. The 8.3 million pixels of the 0.47-inch chip is just a gimmick.

Learn More>>

Everything has pros and cons. You can pick a proper one according to your actual needs. If you are renting a room, the projector is the best choice because it is portable. But if you like watching videos during the daytime frequently and pursue high image quality, you can choose TV. Of course, you can buy both TV and projector, one is placed in the living room, and the other in the bedroom.

Learn More>>

We need to purchase the corresponding cable to connect the power amplifier based on the interfaces of the projector. S/ PDIF optical fiber interface, HDMI interface, and 3.5mm audio interface are the three common interfaces. The corresponding cables are optical fiber audio cable, HDMI cable, and 3.5 audio cable respectively.

Learn More>>


1. Turn on the projector and computer respectively;

2. Connect the projector with the computer using an HDMI cable.

3. Switch to HDMI input source. Most of the projector will automatically be the input source; 

4. Set the projection mode according to personal needs, such as “computer only”, “expand”, “copy”, or “only the second screen”.

Learn More>>

1. Connect the HDMI cable to the TV, projector and other display devices.
2. Then connect the charging port with USB interface and plug it in.
3. Finally, connect to the USB interface and the mobile phone through the mobile phone data cable.
4. Connection complete.

Learn More>>

CUP refers to Central Processing Unit, which is one of the main parts of electronic devices. Its main functions are to interpret instructions and to process data.
GPU is the acronym of Graphics Processing Unit. It is a microprocessor to process images and graphics.

Learn More>>

Most household projectors adopt DLP technology, which is a relatively mature technology. However, it is strange for many projector beginners. This article lists the top 9 DLP projector faults or problems and gives corresponding causes.

Learn More>>

Projector Screen

A primer on projector screens

Many projector beginners believe that the size of the projection screen is the bigger the better. They conceive of an ultra-big screen can give a cinematic effect. But the fact is that not the biggest screen is the best.

Learn More>>

If too much dust or stains accumulate on it, the screen image may be affected. How to correctly clean your projector screen? See the following cleaning tips.

Learn More>>

There are too many kinds of screens made of various materials. How to pick a proper one for your projector? This article will list different kinds of screens and give their advantages and shortcomings.

Learn More>>

Compared with the traditional projection screen, the ALR screen has many advantages. The prominent advantage is to improve the image effect under strong ambient light, making it possible to use a projector when opening the curtain during the day and opening the light at night.

Learn More>>