Handy Tips and

Information

Lamp Replacement Warning

When it comes time to replace your projector’s lamp, we strongly recommend buying from an authorised Australian dealer. Recently we’ve had feedback from a few customers who have purchased either “3rd party lamps” or fake “genuine lamps” online from overseas – sometimes for half the price of the genuine lamps sold here in Australia. We’ve had...

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Terminology

4K: 4K, also known as Ultra HD, refers to a resolution of 3,840 x 2,160 pixels. That’s four times as many pixels than in a full HD TV, a total of about 8.3 million pixels. Aspect Ratio: The aspect ratio of an image is the relationship of the width to the height. It is the “shape” of the video. Standard definition video has a 4:3 aspect ratio...

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Dynamic Contrast Ratio Vs Native Contrast Ratio explained.

Contrast Ratio: Contrast Ratio is the difference between the brightest white that a screen can produce and the darkest black. In more general terms, contrast is the difference between light and dark values in a picture. A good contrast is one with many steps between the blackest blacks and the brightest whites. For example if the ratio is...

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Passive Vs Powered

Passive: A passive speaker requires amplification from a receiver or an amplifier. Powered: A powered speaker requires no external amplification, it only requires a power-point and a source.

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What is the optimal screen size Vs Viewing Distance

One of the common ways to determine the correct screen size for your viewing distance is as follows:Full-HD Resolution – 2 x screen size = Viewing Distance. For example, a 100” screen would require you to sit 200” away from the screen, or around 5m away. 4K Resolution – 1.5 x screen size = Viewing Distance. For example, a 100” screen would...

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4K Explained: Native Vs simulated

Before explaining the difference between True or Native 4K Vs simulated and upscaled 4K we must first understand what a 4K resolution is. 4K, also known as Ultra HD, refers to a resolution of 3,840 x 2,160 pixels. That’s four times as many pixels than in a full HD TV, a total of about 8.3 million pixels. A Native, or True, 4K projector will...

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Sound Channels explained – the differences between 5.1, 5.2, 7.2.

5.1 – 5 Channels of surround consisting of a left speaker, centre speaker, right speaker and a rear-left and rear-right speaker. The .1 refers to a single subwoofer. 5.2 – The same as a 5.1 system but the .2 now refers to there being 2 subwoofers. 7.2 – 7 Channels of surround consisting of a left speaker, centre speaker, right speaker, a...

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