One, understand how to use the projector
Before choosing to purchase a projector, users should be familiar with the use of the projector. The projector is divided into front projection on the table, forward projection on the ceiling, back projection on the table, back projection on the ceiling, and rear projection integrated box type. Forward projection means that the projector is on the same side of the audience; rear projection means that the projector and the audience are on both ends of the screen. If the space is small, the method of refraction by the back mirror can be selected. If you need fixed installation, you can choose the ceiling method, but you must pay attention to dust and heat dissipation. Therefore, according to the use environment, determining the type of purchase of the machine is the first step in purchasing.
2. Brightness and contrast should be moderate
Brightness is an important indicator to measure the performance of the projector. Brightness is the intensity of the light output from the projector to the screen. High brightness can make the image projected by the projector clear and bright, but the higher the brightness, the more expensive it is. High-brightness projectors are very dazzling when used in a small environment, which will make the eyes tired, and long-term viewing will make the eyes red and swollen or even eye diseases. Therefore, according to the specific area of the living room, the brightness of the selected home projector is generally between 500 and 1000 lumens. Too high or too low is not suitable for use in an environment with dim lighting.
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