Optoma Technology HD81 manual Advanced Adjustments, Image/Advanced, Noise Reduction, Gamma

User Controls

Advanced Adjustments

Image/Advanced

▪The HD81 is a power image enhancement tool. Many advanced adjustment functions are included, such as noise reduction, gamma curves, and color temperature. These functions will help the user achieve the best image possible.

▪For more details, please see the sections associated with each item.

▪To access the Advanced Adjustments:

1)Press the “Menu” button on the remote.

2)Use “”, “” to highlight the IMAGE category, then press “Enter” or “” enter this adjustment category. Use “”, “ ” to select the “Advanced” adjustment item.

3)Press “Enter” or “” to select this item. A menu which contains advanced adjustment items will appear.

Noise Reduction

The HD81 allows for 11 levels of noise reduction, ranging from 0 to 10.

1)Enter the Advanced menu as detailed in the previous section.

Noise Reduction52) Use “”, “” to highlight the “Noise Reduction” adjustment item, press “Enter” or “” to select. The OSD disappears and a small adjustment bar is shown.

3)Use “”, “” to select the preferred noise reduction setting. The value ranges from 0 to 10. A value of 0 means the noise reduction function is off.

Gamma

HD81 comes with 10 preset gamma curves. After the initial setup and fine tuning is completed, utilize the Gamma Adjustment steps to optimize your image output.

1)Enter the Advanced menu as detailed in the previous section.

Gamma	0	2) Use “ ”, “ ” to highlight the “Gamma” adjustment item,
		press “Enter” or “ ” to select. The OSD disappears and a

small adjustment bar is shown.

3)Use “”, “” to select the preferred gamma value. The value ranges from -5 to 5. A value of 0 equates to a linear gamma curve.

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